Spacecrafts launched in 1971

Home	1971 Summary
1970 spacecrafts	1972 spacecrafts

The 175 spacecrafts launched in 1971 :

1)	Kosmos 390 / Zenit-4M	2)	Kosmos 391 / DS-P1-I 11	3)	Meteor 1-7	4)	Kosmos 392 / Zenit-2M
5)	Titan Samos 30 / KH-8 30 GAMBIT	6)	Intelsat 4A	7)	Kosmos 393 / DS-P1-Yu 34	8)	Apollo 14 Kitty Hawk
9)	Apollo 14 Antares	10)	NATO 2	11)	Kosmos 394 / DS-P1-M 2	12)	MS-T1 / Tansei 1
13)	P-35-25 / DAPP 5A F-3	14)	Calsphere 3	15)	Calsphere 4	16)	Calsphere 5
17)	Discoverer 136 / KH-4B	18)	Kosmos 395 / Tselina-O	19)	Kosmos 396 / Zenit-4M	20)	Kosmos 397 / I2P
21)	Kosmos 398 / T2K 2	22)	Kosmos 399 / Zenit-4M	23)	Chinasat 2 / JQ 2	24)	Kosmos / Zenit-2M
25)	Kosmos / DS-P1-Yu 39	26)	Explorer 43 / IMP 6	27)	Kosmos 400 / DS-P1-M 3	28)	SDS 1 / Jumpseat 1
29)	Discoverer 137 / KH-4B	30)	Kosmos 401 / Zenit-4M	31)	ISIS 2	32)	Kosmos 402 / US-A
33)	Kosmos 403 / Zenit-2M	34)	Kosmos 404 / I2P	35)	Kosmos 405 / Tselina-D	36)	Kosmos 406 / Zenit-4M
37)	D-2A Tournesol	38)	Meteor 1-8	39)	Salyut 1	40)	Titan Samos 31 / KH-8 31 GAMBIT
41)	Soyuz 10	42)	Kosmos 407 / Strela-2	43)	San Marco 3	44)	Kosmos 408 / DS-P1-Yu 37
45)	Kosmos 409 / Sfera	46)	IMEWS 2 / DSP 3	47)	Kosmos 410 / Zenit-2M	48)	Nauka
49)	Kosmos 411 / Strela-1M	50)	Kosmos 412 / Strela-1M	51)	Kosmos 413 / Strela-1M	52)	Kosmos 414 / Strela-1M
53)	Kosmos 415 / Strela-1M	54)	Kosmos 416 / Strela-1M	55)	Kosmos 417 / Strela-1M	56)	Kosmos 418 / Strela-1M
57)	Mariner 8	58)	Kosmos 419 (Mars)	59)	Kosmos 420 / Zenit-4M	60)	Kosmos 421 / DS-P1-Yu 48
61)	Mars 2 Orbiter	62)	Mars 2 Lander	63)	Kosmos 422 / Tsiklon	64)	Kosmos 423 / DS-P1-Yu 47
65)	Kosmos 424 / Zenit-4M	66)	Mars 3 Orbiter	67)	Mars 3 Lander	68)	Kosmos 425 / Tselina-O
69)	Mariner 9	70)	Kosmos 426 / DS-U2-K 1	71)	Soyuz 11	72)	SESP 1
73)	Kosmos 427 / Zenit-4MK	74)	Big Bird 1 / KH-9 1 HEXAGON	75)	Kosmos 428 / Zenit-2M	76)	Nauka
77)	Kosmos / Zenit-4M	78)	LK (N-1 test)	79)	Explorer 44 / Solrad 10	80)	Meteor 1-9
81)	Ferret 16	82)	Kosmos 429 / Zenit-4M	83)	Kosmos / Tselina-O	84)	Kosmos 430 / Zenit-4M
85)	Apollo 15 Endeavour	86)	Apollo 15 Falcon	87)	Lunar Rover (LRV-1)	88)	Apollo 15 Subsatellite
89)	Molniya 1-18	90)	Kosmos 431 / Zenit-2M	91)	Kosmos / DS-P1-Yu 33	92)	Kosmos 432 / Zenit-4M
93)	OV 1-20	94)	OV 1-21	95)	Cannonball 1 / LOADS 2	96)	Musketball 1 / DTDS
97)	LCS 4	98)	AVL-802 Mylar Sphere	99)	Gndsphere 1 / Grid Sphere 7-1	100)	Gndsphere 2 / Grid Sphere 7-2
101)	RDT 701 / Rigid Sphere 2	102)	Kosmos 433 / OGCh	103)	Kosmos 434 / T2K 3	104)	Titan Samos 32 / KH-8 32 GAMBIT
105)	Eole	106)	Kosmos / Zenit-4M	107)	Kosmos 435 / DS-P1-Yu 41	108)	Luna 18
109)	Kosmos 436 / Tselina-O	110)	Kosmos 437 / Tselina-O	111)	Discoverer 138 / KH-4B	112)	Hitchhiker 29
113)	Kosmos 438 / Zenit-4MK	114)	Kosmos 439 / Zenit-2M	115)	Kosmos 440 / DS-P1-I 10	116)	MS-F2 / Shinsei
117)	Kosmos 441 / Zenit-4M	118)	Luna 19	119)	OSO 7	120)	TETR 3
121)	Kosmos 442 / Zenit-4M	122)	Kosmos 443 / Zenit-2M	123)	Nauka	124)	Kosmos 444 / Strela-1M
125)	Kosmos 445 / Strela-1M	126)	Kosmos 446 / Strela-1M	127)	Kosmos 447 / Strela-1M	128)	Kosmos 448 / Strela-1M
129)	Kosmos 449 / Strela-1M	130)	Kosmos 450 / Strela-1M	131)	Kosmos 451 / Strela-1M	132)	DMSP 1 / DMSP- Block-5B F1
133)	Kosmos 452 / Zenit-4M	134)	SESP-ASTEX 1	135)	Kosmos 453 / DS-P1-Yu 44	136)	ITOS B
137)	Titan Samos 33 / KH-8 33 GAMBIT	138)	Prospero / X-3	139)	Kosmos 454 / Zenit-4M	140)	DSCS 2-1 / DSCS II A-1
141)	DSCS 2-2 / DSCS II A-2	142)	STV 4	143)	Explorer 45 / SSS 1	144)	Kosmos 455 / DS-P1-Yu 54
145)	Kosmos 456 / Zenit-4M	146)	Kosmos 457 / Sfera	147)	Kosmos / DS-P1-I?	148)	Molniya 2-1
149)	Kosmos 458 / DS-P1-Yu 53	150)	Kosmos 459 / DS-P1-M 5	151)	Kosmos 460 / Tselina-O	152)	Interkosmos 5
153)	Kosmos 461 / DS-U2-MT 1	154)	Kosmos / Zenit-2M	155)	Nauka	156)	Kosmos 462 / I2P
157)	CANYON 4	158)	D-2A Polaire	159)	Kosmos 463 / Zenit-4M	160)	Kosmos 464 / Zenit-4M
161)	Ariel 4 / UK 4	162)	NOSS / "White Cloud"	163)	Subsatellite	164)	Subsatellite
165)	Subsatellite	166)	Kosmos 465 / Tsiklon	167)	Kosmos 466 / Zenit-4M	168)	Kosmos 467 / DS-P1-Yu 45
169)	Kosmos 468 / Strela-2	170)	Molniya 1-19	171)	Intelsat 4B	172)	Kosmos 469 / US-A
173)	Kosmos 470 / Zenit-4MT	174)	Oreol 1 (Aureole 1)	175)	Meteor 1-10

.. Spacecraft Entries .

Kosmos 390

Spacecraft:	Zenit-4M
Numbers:	1971 payload #1 ; 1971-001A ; 1469th spacecraft.
Type:	Reconnaissnce
Sponsor:	Soviet Union's Defense ministry

Launch:	12 January 1971 at 9h36 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 391

Spacecraft:	DS-P1-I No. 11
Numbers:	1971 payload #2 ; 1971-002A ; 1470th spacecraft.
Type:	Antimissile technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	14 January 1971 at 12h00 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Meteor 1-7

Spacecraft:	Meteor-M
Numbers:	1971 payload #3 ; 1971-003A ; 1471st spacecraft.
Type:	Meteorology
Sponsor:	Soviet Union

Launch:	20 January 1971 at 11h31 UTC, from Plesetsk Cosmodrome's LC-41/1, by an A-1/"Vostok" (8A92M).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 392

Spacecraft:	Zenit-2M
Numbers:	1971 payload #4 ; 1971-004A ; 1472nd spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	21 January 1971 at 8h38 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Titan Samos 30 / KH-8 30 GAMBIT

Spacecraft:	OPS 7776
Numbers:	1971 payload #5 ; 1971-005A ; 1473rd spacecraft.
Type:	Reconnaissance
Sponsor:	U.S. National Reconnaissance Office

Launch:	21 January 1971 at 18h28 UTC, from Vandenberg Air Force Base's SLC-4W, by a Titan 3B (Titan 3B-30 / Agena D).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Intelsat 4A

Spacecraft:	Intelsat IV F2
Numbers:	1971 payload #6 ; 1971-006A ; 1474th spacecraft.
Type:	Communications
Sponsor:	Intelsat

Launch:	26 January 1971 at 0h36 UTC, from Cape Canaveral's LC-36A, by an Atlas-Centaur (Atlas SLV-3C AC-25 / Centaur D-1A 5005C).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 393

Spacecraft:	DS-P1-Yu No. 34
Numbers:	1971 payload #7 ; 1971-007A ; 1475th spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	26 January 1971 at 12h45 UTC, from Plesetsk Cosmodrome's LC1-33/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Apollo 14 Kitty Hawk

Spacecraft:	Apollo CM-110 / Kitty Hawk
Numbers:	1971 payload #8 ; 1971-008A ; 1476th spacecraft.
Type:	Piloted spascecraft
Sponsor:	NASA

Launch:	31 January 1971 at 21h03 UTC, from Cape Canaveral's LC-39A, by a Saturn V (SA-509).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Apollo 14 Antares

Spacecraft:	LM 8 / Antares
Numbers:	1971 payload #9 ; 1971-008C ; 1477th spacecraft.
Type:
Sponsor:

Launch:	31 January 1971 at 21h03 UTC, from Cape Canaveral's LC-39A, by a Saturn V (SA-509).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

NATO 2

Spacecraft:	NATO-B
Numbers:	1971 payload #10 ; 1971-009A ; 1778th spacecraft.
Type:	Communications
Sponsor:	NATO

Launch:	3 February 1971 at 1h41 UTC, from Cape Canaveral's LC-17A, by a Delta DSV-3L-11 (Thor Delta M 560 / Delta 82).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 394

Spacecraft:	DS-P1-M No. 2
Numbers:	1971 payload #11 ; 1971-010A ; 1479th spacecraft.
Type:	Antisatellite technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	9 February 1971 at 18h49 UTC, from Plesetsk Cosmodrome's LC-132/1, by a Kosmos C-1 (11K65M 65027-119).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

MS-T1 / Tansei 1

Spacecraft:
Numbers:	1971 payload #12 ; 1971-011A ; 1480th spacecraft.
Type:	Technology
Sponsor:	Japan's ISAS

Launch:	16 February 1971 at 4h00 UTC, from Kagoshima Space Center's M, by a Mu-3S (M-4S-2).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

P-35-25 / DAPP 5A F-3

Spacecraft:	(FTV-10) / DMSP Block 5A F3 Data Acquisition and Processing Program
Numbers:	1971 payload #13 ; 1971-012A ; 1481st spacecraft.
Type:	Meteorology
Sponsor:	U.S. Air Force

Launch:	17 February 1971 at 3h52 UTC, from Vandenberg Air Force Base's SLC-10W, by a Thor-Burner 2 (249).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Calsphere 3

Spacecraft:	S70-3 Drag Sphere / NRL PL170A
Numbers:	1971 payload #14 ; 1971-012C ; 1482nd spacecraft.
Type:	Radar Calibration
Sponsor:	U.S. Air Force

Launch:	17 February 1971 at 3h52 UTC, from Vandenberg Air Force Base's SLC-10W, by a Thor-Burner 2 (249).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Calsphere 4

Spacecraft:	S70-3 Drag Sphere / NRL PL170B
Numbers:	1971 payload #15 ; 1971-012D ; 1483rd spacecraft.
Type:	Radar calibration
Sponsor:	U.S. Air Force

Launch:	17 February 1971 at 3h52 UTC, from Vandenberg Air Force Base's SLC-10W, by a Thor-Burner 2 (249).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Calsphere 5

Spacecraft:	S70-3 Drag Sphere / NRL PL170C
Numbers:	1971 payload #16 ; 1971-012E ; 1484th spacecraft.
Type:	Radar calibration
Sponsor:	U.S. Air Force

Launch:	17 February 1971 at 3h52 UTC, from Vandenberg Air Force Base's SLC-10W, by a Thor-Burner 2 (249).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Discoverer 136 / CORONA 1113 / KH-4B

Spacecraft:	OPS 3297
Numbers:	1971 payload #17 ; 1971 1st loss ; 1485th spacecraft.
Type:	Reconnaissance
Sponsor:	U.S. National Reconnaissance Office

Launch:	17 February 1971 at 20h04 UTC, from Vandenberg Air Force Base's SLC-3W, by a Thor-Agena D (Thor 2L 537 / Agena D 1659).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ; NRO's Corona : JPL's Corona :

Kosmos 395

Spacecraft:	Tselina-O
Numbers:	1971 payload #18 ; 1971-013A ; 1486th spacecraft.
Type:	Electronic intelligence
Sponsor:	Soviet Union's Defense ministry

Launch:	18 February 1971 at 21h07 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-117).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 396

Spacecraft:	Zenit-4M
Numbers:	1971 payload #19 ; 1971-014A ; 1487th spacecraft.
Type:	Reconnaissance
Sponsor:	Soivet Union's Defense ministry

Launch:	18 February 1971 at 14h09 UTC, from Plesetsk Cosmodrome's LC-43/3, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 397

Spacecraft:	I2P
Numbers:	1971 payload #20 ; 1971-015A ; 1488th spacecraft.
Type:	Antisatellite technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	25 February 1971 at 11h16 UTC, from Baykonur Cosmodrome's LC-90, by a F-1/Tsyklon 2.
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 398

Spacecraft:	T2K No. 2
Numbers:	1971 payload #21 ; 1971-016A ; 1489th spacecraft.
Type:	Piloted spacecraft test
Sponsor:	Soviet Union

Launch:	26 February 1971 at 5h05 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/Soyuz (11A511L).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 399

Spacecraft:	Zenit-4M
Numbers:	1971 payload #22 ; 1971-017A ; 1490th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	3 March 1971 at 9h36 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

JQ / Chang Zheng 1 (Chinasat 2)

Spacecraft:	(Shi Jian-1)
Numbers:	1971 payload #23 ; 1971-018A ; 1491st spacecraft.
Type:	Technology
Sponsor:	China

Launch:	3 March 1971 at 12h04 UTC, from Jiuquan LA-2A, by a Chang Zheng 1 (CZ-1).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos

Spacecraft:	Zenit-2M
Numbers:	1971 payload #24 ; 1971 2nd loss ; 1492nd spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	5 March 1971, from Plesetsk Cosmodrome's LC-43, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos

Spacecraft:	DS-P1-Yu No. 39
Numbers:	1971 payload #25 ; 1971 3rd loss ; 1493rd spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	5 March 1971 at 8h15 UTC, from Kapustin Yar Cosmodrome's LC-86/4, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Explorer 43 / IMP 6

Spacecraft:	IMP I
Numbers:	1971 payload #26 ; 1971-019A ; 1494th spacecraft.
Type:	Space environment studies
Sponsor:	NASA

Launch:	13 March 1971 at 16h15 UTC, from Cape Canaveral's LC-17A, by a Delta DSV-3M6 (Thor Delta M6 562 / Delta 83).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 400

Spacecraft:	DS-P1-M No. 3
Numbers:	1971 payload #27 ; 1971-020A ; 1495th spacecraft.
Type:	Antisatellite technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	19 March 1971 at 21h45 UTC, from Plesetsk Cosmodrome's LC-132/1, by a Kosmos C-1 (11K65M 65027-118).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

SDS 1 / Jumpseat 1

Spacecraft:	OPS 4788
Numbers:	1971 payload #28 ; 1971-021A ; 1496th spacecraft.
Type:	Electronic intelligence
Sponsor:	U.S. Air Force

Launch:	21 March 1971 at 3h45 UTC, from Vandenberg Air Force Base's SLC-4W, by a Titan 3B (Titan 3B-36 (33B-1) / Ascent Agena D).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Discoverer 137 / CORONA 1114 / KH-4B

Spacecraft:	OPS 5300
Numbers:	1971 payload #29 ; 1971-022A ; 1497th spacecraft.
Type:	Reconnaissance
Sponsor:	U.S. National Reconnaissance Office

Launch:	24 March 1971 at 21h05 UTC, from Vandenberg Air Force Base's SLC-3W, by a Thor-Agena D (Thorad 2L 538 / Agena D 1660).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ; NRO's Corona : JPL's Corona :

Kosmos 401

Spacecraft:	Zenit-4M
Numbers:	1971 payload #30 ; 1971-023A ; 1498th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	27 March 1971 at 11h02 UTC, from Plesetsk Cosmodrome's LC-43/3, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

ISIS 2

Spacecraft:	Isis B ; International Satellite for Ionospheric Studies
Numbers:	1971 payload #31 ; 1971-024A ; 1499th spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	Canada

Launch:	1st April 1971 at 2h57 UTC, from Vandenberg Air Force Base's SLC-2E, by a Delta DSV-3E1 (Thor Delta E1 491 / Delta 84).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 402

Spacecraft:	US-A
Numbers:	1971 payload #32 ; 1971-025A ; 1500th spacecraft.
Type:	Ocean surveillance ("RORSAT")
Sponsor:	Soviet Union's Defense ministry

Launch:	1st April 1971 at 11h31 UTC, from Baykonur Cosmodome's LC-90, by a F-1/Tsyklon 2.
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 403

Spacecraft:	Zenit-2M
Numbers:	1971 payload #33 ; 1971-026A ; 1501st spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	2 April 1971 at 8h24 UTC, from Plesetsk Cosmodrome's LC-43/3, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 404

Spacecraft:	I2P
Numbers:	1971 payload #34 ; 1971-027A ; 1502nd spacecraft.
Type:	Antisatellite technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	4 April 1971 at 14h24 UTC, from Baykonur Cosmodrome's LC-90, by a F-1/Tsyklon 2.
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 405

Spacecraft:	Tselina-D
Numbers:	1971 payload #35 ; 1971-028A ; 1503rd spacecraft.
Type:	Electronic intelligence
Sponsor:	Soviet Union's Defense ministry

Launch:	7 April 1971 at 7h12 UTC, from Plesetsk Cosmodrome's LC-43/4, by an A-1/"Vostok" (8A92M).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 406

Spacecraft:	Zenit-4M
Numbers:	1971 payload #36 ; 1971-029A ; 1504th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	14 April 1971 at 8h09 UTC, from Plesetsk Cosmodrome's LC-43/4, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

D-2A Tournesol

Spacecraft:
Numbers:	1971 payload #37 ; 1971-030A ; 1505th spacecraft.
Type:	Earth sciences
Sponsor:	France

Launch:	15 April 1971 at 9h19 UTC, from Kourou Space Center's ELD, by a Diamant B (No. 3).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Meteor 1-8

Spacecraft:	Meteor-M
Numbers:	1971 payload #38 ; 1971-031A ; 1506th spacecraft.
Type:	Meteorollgy
Sponsor:	Soviet Union

Launch:	17 April 1971 at 11h44 UTC, from Plesetsk Cosmodrome's LC-43/4, by an A-1/"Vostok" (8A92M).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Salyut 1

Spacecraft:	DOS 1 / 17K No. 121
Numbers:	1971 payload #39 ; 1971-032A ; 1507th spacecraft.
Type:	Space station
Sponsor:	Soviet Union (Korolev's Design Bureau)

Internal layout of the Salyut-1 orbital station: (1) Rendezvous system antennae, (2) Solar panels, (3) Radio-telemetry systems antennae, (4) Portholes, (5) Orion stellar telescope, (6) Air regeneration system, (7) Movie camera, (8) Photo camera, (9) Biological research equipment, (10) Food refrigerator, (11) Attitude control jets, (12) Propellant tanks, (13) Micrometeorite sensor, (14) Running track, (15) Working table, (16) Central control post, (17) Pressurization system propellant tanks, (18) Cosmonauts visor, (19) Soyuz spacecraft propulsion system.

Launch:	19 April 1971 at 1h40 UTC, from Baykonur Cosmodrome's LC-81P, by a D-1/Proton-K (8K82K 254-01).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ; Jonathan Space Report No. 430 ;

Titan Samos 31 / KH-8 31 GAMBIT

Spacecraft:	OPS 7899
Numbers:	1971 payload #40 ; 1971-033A ; 1508th spacecraft.
Type:	Reconnaissance
Sponsor:	U.S. National Reconnaissance Office

Launch:	22 April 1971 at 15h30 UTC, from Vandenberg Air Force Base's SLC-4W, by a Titan 3B (Titan 3B-31 / Agena D).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Soyuz 10

Spacecraft:	Soyuz 7K-OKS s/n 31
Numbers:	1971 payload #41 ; 1971-034A ; 1509th spacecraft.
Type:	Piloted spacecraft
Sponsor:	Soviet Union (Korolev's Design Bureau)

Launch:	23 April 1971 at 23h54 UTC, from Baykonur Cosmodrome's LC-1, by an A-2/Soyuz (11A511).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 407

Spacecraft:	Strela-2
Numbers:	1971 payload #42 ; 1971-035A ; 1510th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	23 April 1971 at 11h31 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-116).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

San Marco 3

Spacecraft:	San Marco C
Numbers:	1971 payload #43 ; 1971-036A ; 1511th spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	Italy (Italian Space Commission (CRS) and NASA)

Launch:	24 April 1971 at 7h32 UTC, from San Marco, by a Scout B (S173C).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 408

Spacecraft:	DS-P1-Yu No. 37
Numbers:	1971 payload #44 ; 1971-037A ; 1512th spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	24 April 1971 at 11h15 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 409

Spacecraft:	Sfera
Numbers:	1971 payload #45 ; 1971-038A ; 1513th spacecraft.
Type:	Geodesy
Sponsor:	Soviet Union

Launch:	28 April 1971 at 14h38 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-115).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

IMEWS 2 / DSP 3

Spacecraft:	DSP F2 ; Integrated Missile Early Warning Satellites
Numbers:	1971 payload #46 ; 1971-039A ; 1514th spacecraft.
Type:	Missile early warning
Sponsor:	U.S. Air Force

Launch:	5 May 1971 at 7h43 UTC, from Cape Canaveral Air Force Base's LC-40, by a Titan 3C (23C-2).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ; DSP, A Pictorial ;

Kosmos 410

Spacecraft:	Zenit-2M
Numbers:	1971 payload #47 ; 1971-040A ; 1515th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	6 May 1971 at 6h28 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Nauka

Spacecraft:	[Nauka #5]
Numbers:	1971 payload #48 ; 1971-040C ; 1516th spacecraft.
Type:	Science & technology
Sponsor:	Soviet Union's Defense ministry

Launch:	6 May 1971 at 6h28 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 411

Spacecraft:	Strela-1M
Numbers:	1971 payload #49 ; 1971-041A ; 1517th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	7 May 1971 at 14h24 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-121).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 412

Spacecraft:	Strela-1M
Numbers:	1971 payload #50 ; 1971-041B ; 1518th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	7 May 1971 at 14h24 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-121).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 413

Spacecraft:	Strela-1M
Numbers:	1971 payload #51 ; 1971-041C ; 1519th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	7 May 1971 at 14h24 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-121).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 414

Spacecraft:	Strela-1M
Numbers:	1971 payload #52 ; 1971-041D ; 1520th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	7 May 1971 at 14h24 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-121).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 415

Spacecraft:	Strela-1M
Numbers:	1971 payload #53 ; 1971-041E ; 1521st spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	7 May 1971 at 14h24 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-121).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 416

Spacecraft:	Strela-1M
Numbers:	1971 payload #54 ; 1971-041F ; 1522nd spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	7 May 1971 at 14h24 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-121).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 417

Spacecraft:	Strela-1M
Numbers:	1971 payload #55 ; 1971-041G ; 1523rd spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	7 May 1971 at 14h24 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-121).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 418

Spacecraft:	Strela-1M
Numbers:	1971 payload #56 ; 1971-041H ; 1524th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	7 May 1971 at 14h24 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-121).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Mariner 8

Spacecraft:	Mariner 71H / Mariner Mars '71 / Mariner H
Numbers:	1971 payload #57 ; 1971 4th loss ; 1525th spacecraft.
Type:	Mars probe
Sponsor:	NASA

Launch:	9 May 1971 at 1h11 UTC, from Cape Canaveral LC-36A, by an Atlas-Centaur (Atlas SLV-3C AC-24 / Centaur D-1A 5405C).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 419

Spacecraft:	3MS No. 170
Numbers:	1971 payload #58 ; 1971-042A ; 1526th spacecraft.
Type:	Mars probe
Sponsor:	Soviet Union (Korolev's Design Bureau)

Launch:	10 May 1971 at 16h58 UTC, from Baykonur Cosmodrome's LC-81L, by a D-1-e/Proton-K/D (8K82K 253-01 / 11S824).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 420

Spacecraft:	Zenit-4M
Numbers:	1971 payload #59 ; 1971-043A ; 1527th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	18 May 1971 at 8h09 UTC, from Baykonur Cosmdrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 421

Spacecraft:	DS-P1-Yu No. 48
Numbers:	1971 payload #60 ; 1971-044A ; 1528th spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	19 May 1971 at 10h20 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Mars 2 Orbiter

Spacecraft:	4M No. 171
Numbers:	1971 payload #61 ; 1971-045A ; 1529th spacecraft.
Type:	Mars probe
Sponsor:	Soviet Union (Korolev's Design Bureau)

Launch:	19 May 1971 at 16h22 UTC, from Baykonur Cosmodrome's LC-81P, by a D-1-e/Proton-K/D (8K82K 255-01 / 11S824).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Mars 2 Lander

Spacecraft:	PROP-M
Numbers:	1971 payload #62 ; 1971-045[B] ; 1530th spacecraft.
Type:	Mars probe
Sponsor:	Soviet Union (Korolev's Design Bureau)

Launch:	19 May 1971 at 16h22 UTC, from Baykonur Cosmodrome's LC-81P, by a D-1-e/Proton-K/D (8K82K 255-01 / 11S824).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 422

Spacecraft:	Tsiklon
Numbers:	1971 payload #63 ; 1971-046A ; 1531st spacecraft.
Type:	Navigation
Sponsor:	Soviet Union's Defense ministry

Launch:	22 May 1971 at 0h43 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 53727-120).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 423

Spacecraft:	DS-P1-Yu No. 47
Numbers:	1971 payload #64 ; 1971-047A ; 1532nd spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	27 May 1971 at 12h00 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 424

Spacecraft:	Zenit-4M
Numbers:	1971 payload #65 ; 1971-048A ; 1533rd spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	28 May 1971 at 10h33 UTC, from Plesetsk Cosmodrome's LC-43/4, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Mars 3 Orbiter

Spacecraft:	4M No. 172
Numbers:	1971 payload #66 ; 1971-049A ; 1534th spacecraft.
Type:	Mars probe
Sponsor:	Soviet Union (Korolev's Design Bureau)

Launch:	28 May 1971 at 15h26 UTC, from Baykonur Cosmodrome's LC-81L, by a D-1-e/Proton-K/D (8K82K 249-01 / 11S824).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Mars 3 Lander

Spacecraft:	PROP-M
Numbers:	1971 payload #67 ; 1971-049[B] ; 1535th spacecraft.
Type:	Mars probe
Sponsor:	Soviet Union (Korolev's Design Bureau)

Launch:	28 May 1971 at 15h26 UTC, from Baykonur Cosmodrome's LC-81L, by a D-1-e/Proton-K/D (8K82K 249-01 / 11S824).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 425

Spacecraft:	Tselina-O
Numbers:	1971 payload #68 ; 1971-050A ; 1536th spacecraft.
Type:	Electronic intelligence
Sponsor:	Soviet Union's Defense ministry

Launch:	29 May 1971 at 3h50 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 3149-30).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Mariner 9

Spacecraft:	Mariner 71J / Mariner Mars '71 / Mariner-I
Numbers:	1971 payload #69 ; 1971-051A ; 1537th spacecraft.
Type:	Mars probe
Sponsor:	NASA

Launch:	30 May 1971 at 22h23 UTC, from Cape Canaveral's LC-36B, by an Atlas-Centaur (Atlas SLV-3C AC-23 / Centaur D-1A 5404C).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 426

Spacecraft:	DS-U2-K No. 1
Numbers:	1971 payload #70 ; 1971-052A ; 1538th spacecraft.
Type:	Earth/space studies (civil)
Sponsor:	Soviet Union

Launch:	5 June 1971 at 18h10 UTC, from Plesetsk Cosmodrome's LC-132/2, by a Kosmos C-1 (11K65M 65014-101).
Orbit:
Decayed:	11 May 2002
Mission:
Source:	Jonathan McDowell's Master List ; Spacewarn No. 583 ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Soyuz 11

Spacecraft:	Soyuz 7K-OKS s/n 32
Numbers:	1971 payload #71 ; 1971-053A ; 1539th spacecraft.
Type:	Piloted spacecraft
Sponsor:	Soviet Union (Korolev's Design Bureau)

Launch:	6 June 1971 at 4h55 UTC, from Baykonur Cosmodrome's LC-1, by an A-2/Soyuz (11A511).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

SESP 1

Spacecraft:	P70-1
Numbers:	1971 payload #72 ; 1971-054A ; 1540th spacecraft.
Type:	Technology
Sponsor:	U.S. Air Force

Launch:	8 June 1971 at 14h00 UTC, from Vandenberg Air Force Base's SLC-10W, by a Thor-Burner 2 (210).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 427

Spacecraft:	Zenit-4MK
Numbers:	1971 payload #73 ; 1971-055A ; 1541th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	11 June 1971 at 10h04 UTC, from Plesetsk Cosmodrome's LC-43/4, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Big Bird 1 / KH-9 1 HEXAGON

Spacecraft:	OPS 7809
Numbers:	1971 payload #74 ; 1971-056A ; 1542nd spacecraft.
Type:	Reconnaissance
Sponsor:	U.S. National Reconnaissance Office

Launch:	15 June 1971 at 18h41 UTC, from Vandenberg Air Force Base's SLC-4E, by a Titan 3D (23D-1).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 428

Spacecraft:	Zenit-2M
Numbers:	1971 payload #75 ; 1971-057A ; 1543rd spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defese ministry

Launch:	24 June 1971 at 8h09 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Nauka

Spacecraft:	[Nauka #6]
Numbers:	1971 payload #76 ; 1971-057G ; 1544th spacecraft.
Type:	Science & technology
Sponsor:	Soviet Union's Defense ministry

Launch:	24 June 1971 at 8h09 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos

Spacecraft:	Zenit-4M
Numbers:	1971 payload #77 ; 1971 5th loss ; 1545th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	25 June 1971, from Plesetsk Cosmodrome's LC-43, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

LK (N-1 test)

Spacecraft:	Soyuz 7K-LOK
Numbers:	1971 payload #78 ; 1971 6th loss ; 1546th spacecraft.
Type:	Piloted spacecraft test (Lunar program)
Sponsor:	Soviet Union (Korolev's Design Bureau)

Launch:	26 June 1971 at 23h15 UTC, from Baykonur Cosmodrome's LC-110L, by a N1 (11A52 6L).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Explorer 44 / Solrad 10

Spacecraft:	SE-C / Solar Explorer C
Numbers:	1971 payload #79 ; 1971-058A ; 1547th spacecraft.
Type:	Space environment studies
Sponsor:	NASA

Launch:	8 July 1971 at 22h58 UTC, from Wallops Island's LA-3, by a Scout B (S177C).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Meteor 1-9

Spacecraft:	Meteor-M
Numbers:	1971 payload #80 ; 1971-059A ; 1548th spacecraft.
Type:	Meteorology
Sponsor:	Soviet Union

Launch:	16 July 1971 at 1h40 UTC, from Plesetsk Cosmodrome's LC-43/4, by an A-1/"Vostok" (8A92M).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Ferret 16

Spacecraft:	OPS 8373
Numbers:	1971 payload #81 ; 1971-060A ; 1549th spacecraft.
Type:	Electronic intelligence
Sponsor:	U.S. Air Force

Launch:	16 July 1971 at 10h50 UTC, from Vandenberg Air Force Base's SLC-1W, by a Thor-Agena D (Thor 2L 550 / Agena D 2737).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 429

Spacecraft:	Zenit-4M
Numbers:	1971 payload #82 ; 1971-061A ; 1550th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	20 July 1971 at 10h04 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos

Spacecraft:	Tselina-O
Numbers:	1971 payload #83 ; 1971 7th loss ; 1551st spacecraft.
Type:	Electronic intelligence
Sponsor:	Soviet Union's Defense ministry

Launch:	22 July 1971, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 430

Spacecraft:	Zenit-4M
Numbers:	1971 payload #84 ; 1971-062A ; 1552nd spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	23 July 1971 at 11h02 UTC, from Plesetsk Cosmodrome's LC-43/3, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Apollo 15 Endeavour

Spacecraft:	Apollo CM-112 / Endeavour
Numbers:	1971 payload #85 ; 1971-063A ; 1553rd spacecraft.
Type:	Piloted spacecraft
Sponsor:	NASA

Launch:	26 July 1971 at 13h34 UTC, from Cape Canaveral's LC-39A, by a Saturn V (SA-510).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Apollo 15 Falcon

Spacecraft:	LM 10 Falcon / LM 10
Numbers:	1971 payload #86 ; 1971-063 ; 1554th spacecraft.
Type:	Piloted spacecraft
Sponsor:	NASA

Launch:	26 July 1971 at 13h34 UTC, from Cape Canaveral's LC-39A, by a Saturn V (SA-510).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Lunar Rover

Spacecraft:	LRV-1 : Lunar Roving Vehicle
Numbers:	1971 payload #87 ; n/a ; 1555th spacecraft.
Type:	Lunar jeep
Sponsor:	NASA

Launch:	26 July 1971 at 13h34 UTC, from Cape Canaveral's LC-39A, by a Saturn V (SA-510).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Apollo 15 Subsatellite

Spacecraft:
Numbers:	1971 payload #88 ; 1971-063D ; 1556th spacecraft.
Type:	Lunar studies
Sponsor:	NASA

Launch:	26 July 1971 at 13h34 UTC, from Cape Canaveral's LC-39A, by a Saturn V (SA-510).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Molniya 1-18

Spacecraft:	Molniya 1T
Numbers:	1971 payload #89 ; 1971-064A ; 1557th spacecraft.
Type:	Communications
Sponsor:	Soviet Union

Launch:	28 July 1971 at 3h36 UTC, from Plesetsk Cosmodrome's LC 43/4, by an A-2-e/"Molniya" (8K78M).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 431

Spacecraft:	Zenit-2M
Numbers:	1971 payload #90 ; 1971-065A ; 1558th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	30 July 1971 at 8h38 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos

Spacecraft:	DS-P1-Yu No. 33
Numbers:	1971 payload #91 ; 1971 8th loss ; 1559th spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	3 August 1971 at 11h00 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 432

Spacecraft:	Zenit-4M
Numbers:	1971 payload #92 ; 1971-066A ; 1560th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	5 August 1971 at 10h04 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

OV 1-20 / OV1-20P

Spacecraft:	SESP 70-2A
Numbers:	1971 payload #93 ; 1971-067A ; 1561st spacecraft.
Type:	Science & technology
Sponsor:	U.S. Air Force

Launch:	7 August 1971 at 0h11 UTC, from Vandenberg Air Force Base's BMRS-A2, by an Atlas F (76F).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

OV 1-21 / OV1-21P

Spacecraft:	SESP 70-2B
Numbers:	1971 payload #94 ; 1971-067B ; 1562nd spacecraft.
Type:	Science & technology
Sponsor:	U.S. Air Force

Launch:	7 August 1971 at 0h11 UTC, from Vandenberg Air Force Base's BMRS-A2, by an Atlas F (76F).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Cannonball 2 / LOADS 2

Spacecraft:	SESP 70-2C / Low Altitude Density Satellite OAR 901
Numbers:	1971 payload #95 ; 1971-067C ; 1563rd spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	U.S. Air Force

Launch:	7 August 1971 at 0h11 UTC, from Vandenberg Air Force Base's BMRS-A2, by an Atlas F (76F).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Musketball 1 / DTDS

Spacecraft:	SESP 70-2D / l OAR 907 Radar Tracked Density Satatellite
Numbers:	1971 payload #96 ; 1971-067D ; 1564th spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	U.S. Air Force

Launch:	7 August 1971 at 0h11 UTC, from Vandenberg Air Force Base's BMRS-A2, by an Atlas F (76F).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

LCS 4

Spacecraft:
Numbers:	1971 payload #97 ; 1971-067E ; 1565th spacecraft.
Type:	Radar calibration
Sponsor:	U.S. Air Force

Launch:	7 August 1971 at 0h11 UTC, from Vandenberg Air Force Base's BMRS-A2, by an Atlas F (76F).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

AVL-802 Mylar Sphere

Spacecraft:	SESP 70-2G / AVL-802G Grid Sphere Drag
Numbers:	1971 payload #98 ; 1971-067F ; 1566th spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	U.S. Air Force

Launch:	7 August 1971 at 0h11 UTC, from Vandenberg Air Force Base's BMRS-A2, by an Atlas F (76F).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Gndsphere 1 / Grid Sphere 7-1

Spacecraft:	SESP 70-2E / AVL-802E Grid Sphere Drag
Numbers:	1971 payload #99 ; 1971-067G ; 1567th spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	U.S. Air Force

Launch:	7 August 1971 at 0h11 UTC, from Vandenberg Air Force Base's BMRS-A2, by an Atlas F (76F).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Gndsphere 2 / Grid Sphere 7-2

Spacecraft:	SESP 70-2F / AVL-802F Grid Sphere Drag / Grid Sphere 2
Numbers:	1971 payload #100 ; 1971-067H ; 1568th spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	U.S. Air Force

Launch:	7 August 1971 at 0h11 UTC, from Vandenberg Air Force Base's BMRS-A2, by an Atlas F (76F).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

RDT 701 / Rigid Sphere 2

Spacecraft:	SESP 70-2J / Lincoln Lab Callibration Sphere
Numbers:	1971 payload #101 ; 1971-067J ; 1569th spacecraft.
Type:	Radar calibration
Sponsor:	U.S. Air Force

Launch:	7 August 1971 at 0h11 UTC, from Vandenberg Air Force Base's BMRS-A2, by an Atlas F (76F).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 433

Spacecraft:	OGCh
Numbers:	1971 payload #102 ; 1971-068A ; 1570th spacecraft.
Type:	Bombardment via space
Sponsor:	Soviet Union's Defense ministry

Launch:	9 August 1971 at 23h44 UTC, from Baykonur Cosmodrome's LC-191, by a R-36-0.
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 434

Spacecraft:	T2K No. 3
Numbers:	1971 payload #103 ; 1971-069A ; 1571st spacecraft.
Type:	Piloted spacecraft test (Lunar program)
Sponsor:	Soviet Union

Launch:	12 August 1971 at 5h30 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/Soyuz (11A511L).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Titan Samos 32 / KH-8 32 GAMBIT

Spacecraft:	OPS 8607
Numbers:	1971 payload #104 ; 1971-070A ; 1572nd spacecraft.
Type:	Reconnaissance
Sponsor:	U.S. National Reconnaissance Office

Launch:	12 August 1971 at 15h30 UTC, from Vandenberg Air Force Base's SLC-4W, by a Titan 3B (3B-32 (24B-1) / Agena D).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Eole

Spacecraft:	EOLE 1 EOLE
Numbers:	1971 payload #105 ; 1971-071A ; 1573rd spacecraft.
Type:	Meteorological data relay
Sponsor:	France's CNES

Launch:	12 August 1971 at 18h39 UTC, from Wallops Island's LA-3, by a Scout B-1 (S180C).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos

Spacecraft:	Zenit-4M
Numbers:	1971 payload #106 ; 1971 9th loss ; 1574th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	19 August 1971, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 435

Spacecraft:	DS-P1-Yu No. 41
Numbers:	1971 payload #107 ; 1971-072A ; 1575th spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	27 August 1971 at 10h55 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Luna 18

Spacecraft:	E-8-5 No. 407
Numbers:	1971 payload #108 ; 1971-073A ; 1576th spacecraft.
Type:	Lunar probe
Sponsor:	Soviet Union

Launch:	2 September 1971 at 13h40 UTC, from Baykonur Cosmodrome's LC-81P, by a D-1-e/Proton-K/D (8K82K 256-01 / 11S824).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 436

Spacecraft:	Tselina-O
Numbers:	1971 payload #109 ; 1971-074A ; 1577th spacecraft.
Type:	Electronic intelligence
Sponsor:	Soviet Union's Defense ministry

Launch:	7 September 1971 at 1h26 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M Yu149-42).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 437

Spacecraft:	Tselina-O
Numbers:	1971 payload #110 ; 1971-075A ; 1578th spacecraft.
Type:	Electronic intelligence
Sponsor:	Soviet Union's Defense ministry

Launch:	10 September 1971 at 3h36 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 65014-106).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Discoverer 138 / CORONA 1115 / KH-4B

Spacecraft:	OPS 5454
Numbers:	1971 payload #111 ; 1971-076A ; 1579th spacecraft.
Type:	Reconnaissance
Sponsor:	U.S. National Reconnaissance Office

Launch:	10 September 1971 at 21h33 UTC, from Vandenberg Air Force Base's SLC-3W, by a Thor-Agena D (Thorad 2L 567 / Agena D 1662).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ; NRO's Corona : JPL's Corona :

Hitchhiker 29

Spacecraft:	OPS 768 / EHH B21
Numbers:	1971 payload #112 ; 1971-076B ; 1580th spacecraft.
Type:	Electronic intelligence
Sponsor:	U.S. Air Force

Launch:	10 September 1971 at 21h33 UTC, from Vandenberg Air Force Base's SLC-3W, by a Thor-Agena D (Thorad 2L 567 / Agena D 1662).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 438

Spacecraft:	Zenit-4MK
Numbers:	1971 payload #113 ; 1971-077A ; 1581st spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	14 September 1971 at 12h57 UTC, from Plesetsk. Cosmodrome's LC-43/3, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 439

Spacecraft:	Zenit-2M
Numbers:	1971 payload #114 ; 1971-078A ; 1582nd spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	21 September 1971 at 12h00 UTC, from Plesetsk Cosmodrome's LC-43/3, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 440

Spacecraft:	DS-P1-I No. 10
Numbers:	1971 payload #115 ; 1971-079A ; 1583rd spacecraft.
Type:	Antimissile technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	24 September 1971 at 10h30 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

MS-F2 / Shinsei

Spacecraft:
Numbers:	1971 payload #116 ; 1971-080A ; 1584th spacecraft.
Type:	Earth-space studies
Sponsor:	Japan's ISAS

Launch:	28 September 1971 at 4h00 UTC, from Kagoshima Space Center's M, by a Mu-3S (M-4S-3).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 441

Spacecraft:	Zenit-4M
Numbers:	1971 payload #117 ; 1971-081A ; 1585th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	28 September 1971 at 7h40 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Luna 19

Spacecraft:	E-8LS No. 202
Numbers:	1971 payload #118 ; 1971-082A ; 1586th spacecraft.
Type:	Lunar probe
Sponsor:	Soviet Union (Korolev's Design Bureau)

Launch:	28 September 1971 at 10h00 UTC, from Baykonur Cosmodrome's LC-81P, by a D-1-e/Proton-K/D (8K82K 257-01 / 11S824).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

OSO 7

Spacecraft:	OSO H ; Orbiting Solar Observatory
Numbers:	1971 payload #119 ; 1971-083A ; 1587th spacecraft.
Type:	Solar observatory
Sponsor:	NASA

Launch:	29 September 1971 at 9h45 UTC, from Cape Canaveral's LC-17A, by a Delta DSV-3N (Thor Delta N 565 / Delta 85).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

TETR 3

Spacecraft:	TETR D ; Test and Training Satellite 4
Numbers:	1971 payload #120 ; 1971-083B ; 1588th spacecraft.
Type:	Technology
Sponsor:	NASA

Launch:	29 September 1971 at 9h45 UTC, from Cape Canaveral's LC-17A, by a Delta DSV-3N (Thor Delta N 565 / Delta 85).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 442

Spacecraft:	Zenit-4M
Numbers:	1971 payload #121 ; 1971-084A ; 1589th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	29 September 1971 at 11h31 UTC, from Plesetsk Cosmodrome's LC-43/3, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 443

Spacecraft:	Zenit-2M
Numbers:	1971 payload #122 ; 1971-085A ; 1590th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	7 October 1971 at 12h28 UTC, from Plesetsk Cosmodrome's LC-43/3, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Nauka

Spacecraft:	[Nauka #7]
Numbers:	1971 payload #123 ; 1971-085F ; 1591st spacecraft.
Type:	Science & technology
Sponsor:	Soviet Union's Defense ministry

Launch:	7 October 1971 at 12h28 UTC, from Plesetsk Cosmodrome's LC-43/3, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 444

Spacecraft:	Strela-1M
Numbers:	1971 payload #124 ; 1971-086A ; 1592nd spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	13 October 1971 at 13h40 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 47114-104).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 445

Spacecraft:	Strela-1M
Numbers:	1971 payload #125 ; 1971-086B ; 1593rd spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	13 October 1971 at 13h40 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 47114-104).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 446

Spacecraft:	Strela-1M
Numbers:	1971 payload #126 ; 1971-086C ; 1594th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	13 October 1971 at 13h40 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 47114-104).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 447

Spacecraft:	Strela-1M
Numbers:	1971 payload #127 ; 1971-086D ; 1595th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	13 October 1971 at 13h40 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 47114-104).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 448

Spacecraft:	Strela-1M
Numbers:	1971 payload #128 ; 1971-086E ; 1596th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	13 October 1971 at 13h40 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 47114-104).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 449

Spacecraft:	Strela-1M
Numbers:	1971 payload #129 ; 1971-086F ; 1597th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	13 October 1971 at 13h40 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 47114-104).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 450

Spacecraft:	Strela-1M
Numbers:	1971 payload #130 ; 1971-086G ; 1598th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	13 October 1971 at 13h40 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 47114-104).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 451

Spacecraft:	Strela-1M
Numbers:	1971 payload #131 ; 1971-086H ; 1599th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	13 October 1971 at 13h40 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 47114-104).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

DMSP 1

Spacecraft:	DMSP 4527 (SV-2) / DMSP-Block-5B F1 Defense Meteorological Satellite Program
Numbers:	1971 payload #132 ; 1971-087A ; 1600th spacecraft.
Type:	Meteorology
Sponsor:	U.S. Air Force

Launch:	14 October 1971 at 7h51 UTC, from Vandenberg Air Force Base's SLC-10W, by a Thor-Burner 2A (159).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 452

Spacecraft:	Zenit-4M
Numbers:	1971 payload #133 ; 1971-088A ; 1601st spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	14 October 1971 at 9h07 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

SESP-ASTEX 1

Spacecraft:	P71-2 / SESP 71-2 (Space Test Program)
Numbers:	1971 payload #134 ; 1971-089A ; 1602nd spacecraft.
Type:	Technology
Sponsor:	U.S. Air Force

Launch:	17 October 1971 at 13h36 UTC, from Vandenberg Air Force Base's SLC-1W, by a Thor-Agena D (Thorad 2L 570 / Agena D).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 453

Spacecraft:	DS-P1-Yu No. 44
Numbers:	1971 payload #135 ; 1971-090A ; 1603rd spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	19 October 1971 at 12h40 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

ITOS B

Spacecraft:
Numbers:	1971 payload #136 ; 1971-091A ; 1604th spacecraft.
Type:	Meteorology
Sponsor:	NOAA

Launch:	21 October 1971 at 11h32 UTC, from Vandenberg Air Force Base's SLC-2E, by a Delta DSV-3N6 (Thor Delta N6 572 / Delta 86).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Titan Samos 33 / KH-8 33 GAMBIT

Spacecraft:	OPS 7616
Numbers:	1971 payload #137 ; 1971-092A ; 1605th spacecraft.
Type:	Reconnaissance
Sponsor:	U.S. National Reconnaissance Office

Launch:	23 October 1971 at 17h16 UTC, from Vandenberg Air Force Base's SLC-4W, by a Titan 3B (Titan 24B 3B-33 (24B-2) / Agena D).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Prospero / X-3

Spacecraft:
Numbers:	1971 payload #138 ; 1971-093A ; 1606th spacecraft.
Type:	Micrometeorids studies
Sponsor:	United Kingdom

Launch:	28 October 1971 at 4h09 UTC, from Woomera's LA-5B, by a Black Arrow (R-3).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 454

Spacecraft:	Zenit-4M
Numbers:	1971 payload #139 ; 1971-094A ; 1607th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	2 November 1971 at 14h24 UTC, from Plesetsk Cosmodrome's LC-41/1, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

DSCS 2-1 / DSCS II A-1

Spacecraft:	OPS 9431
Numbers:	1971 payload #140 ; 1971-095A ; 1608th spacecraft.
Type:	Communications
Sponsor:	U.S. Air Force

Source: A. Parsch

Launch:	3 November 1971 at 3h09 UTC, from Cape Canaveral Air Force Base's LC-40, by a Titan 3C (Titan 23C-3, Transtage-21).
Orbit:
Decayed:
Mission:	Retired in June 1973.
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ; Jonathan Space Report No. 495 ;

DSCS 2-2 / DSCS II A-2

Spacecraft:	OPS 9432
Numbers:	1971 payload #141 ; 1971-095B ; 1609th spacecraft.
Type:	Communications
Sponsor:	U.S. Air Force

Source: A. Parsch

Launch:	3 November 1971 at 3h09 UTC, from Cape Canaveral Air Force Base's LC-40, by a Titan 3C (Titan 23C-3, Transtage-21).
Orbit:
Decayed:
Mission:	Retired in 1980s?
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ; Jonathan Space Report No. 495 ;

STV 4

Spacecraft:
Numbers:	1971 payload #142 ; 1971 10th loss ; 1610th spacecraft.
Type:	Technology's
Sponsor:	ELDO

Launch:	5 November 1971 at 13h00 UTC, from Kourou Space Center's ELE, by an Europa II (F-11).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Explorer 45 / SSS 1

Spacecraft:	SSS A / S-Cubed A
Numbers:	1971 payload #143 ; 1971-096A ; 1611th spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	NASA/Italy

Launch:	15 November 1971 at 5h52 UTC, from San Marco platform, by a Scout B (S163CR).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 455

Spacecraft:	DS-P1-Yu No. 54
Numbers:	1971 payload #144 ; 1971-097A ; 1612th spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	17 November 1971 at 11h10 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 456

Spacecraft:	Zenit-4M
Numbers:	1971 payload #145 ; 1971-098A ; 1613th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	19 November 1971 at 12h00 UTC, from Plesetsk Cosmodrome's LC-43/3, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 457

Spacecraft:	Sfera
Numbers:	1971 payload #146 ; 1971-099A ; 1614th spacecraft.
Type:	Geodesy
Sponsor:	Soviet Union

Launch:	20 November 1971 at 18h00 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 47114-106).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos

Spacecraft:	DS-P1-I?
Numbers:	1971 payload #147 ; 1971 11th loss ; 1615th spacecraft.
Type:	Antimissile technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	24 November 1971, from Kapustin Yar LC86/4, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Molniya 2-1

Spacecraft:	Molniya 2A
Numbers:	1971 payload #148 ; 1971-100A ; 1616th spacecraft.
Type:	Communications
Sponsor:	Soviet Union

Launch:	24 November 1971 at 9h36 UTC, from Plesetsk Cosmodrome's LC-43/4, by an A-2-e/"Molniya" (8K78M).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 458

Spacecraft:	DS-P1-Yu No. 53
Numbers:	1971 payload #149 ; 1971-101A ; 1617th spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	29 November 1971 at 10h10 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 459

Spacecraft:	DS-P1-M No. 5
Numbers:	1971 payload #150 ; 1971-102A ; 1618th spacecraft.
Type:	Antisatellite technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	30 November 1971 at 17h30 UTC, from Plesetsk Cosmodrome's LC-132/1, by a Kosmos C-1 (11K65M 65027-110).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 460

Spacecraft:	Tselina-O
Numbers:	1971 payload #151 ; 1971-103A ; 1619th spacecraft.
Type:	Electronic intelligence
Sponsor:	Soviet Union's Defense ministry

Launch:	30 November 1971 at 16h48 UTC, from Plesetsk Cosmdorome's LC-132, by a Kosmos C-1 (11K65M 65017-101).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Interkosmos 5

Spacecraft:	DS-U2-IK No. 2 / IK- 5
Numbers:	1971 payload #152 ; 1971-104A ; 1620th spacecraft.
Type:	Earth upper atmosphere studies (civil)
Sponsor:	Soviet Union + East-european states

Launch:	2 December 1971 at 8h25 UTC, from Kapustin Yar Cosmodrome's LC-86/4, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 461

Spacecraft:	DS-U2-MT No. 1
Numbers:	1971 payload #153 ; 1971-105A ; 1621st spacecraft.
Type:	Earth/space studies (civil)
Sponsor:	Soviet Union

Launch:	2 December 1971 at 17h30 UTC, from Plesetsk Cosmodrome's LC-132/1, by a Kosmos C-1 (11K65M 47119-109).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos

Spacecraft:	Zenit-2M
Numbers:	1971 payload #154 ; 1971 12th loss ; 1622nd spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	3 December 1971, from Plesetsk Cosmodrome's LC-43, by an A-2/"Voskhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Nauka

Spacecraft:	[Nauka #8]
Numbers:	1971 payload #155 ; 1971 13th loss ; 1623rd spacecraft.
Type:	Science & technology
Sponsor:	Soviet Union's Defense ministry

Launch:	3 December 1971, from Plesetsk Cosmodrome's LC-43, by an A-2/"Voshhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 462

Spacecraft:	I2P
Numbers:	1971 payload #156 ; 1971-106A ; 1624th spacecraft.
Type:	Antisatellite technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	3 December 1971 at 13h12 UTC, from Baykonur Cosmodrome's LC-90, by a F-1/Tsyklon 2.
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

CANYON 4

Spacecraft:	Program 827's AFP-827 F4 (7504)
Numbers:	1971 payload #157 ; 1971 14th loss ; 1625th spacecraft.
Type:	Signals intelligence
Sponsor:	United States' NRO / National Reconnaissance Office

Launch:	4 December 1971 at 22h30 UTC, from Cape Canaveral's LC-13, by an Atlas-Agena D (Atlas SLV-3A 5503A / Agena D 2804).
Orbit:	Geostationary
Decayed:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ; Jonathan Space Report No. 501 ;

D-2A Polaire

Spacecraft:
Numbers:	1971 payload #158 ; 1971 15th loss ; 1626th spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	France's CNES

Launch:	5 December 1971 at 16h20 UTC, from Kourou Space Center's ELD, by a Diamant B (No. 4).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 463

Spacecraft:	Zenit-4M
Numbers:	1971 payload #159 ; 1971-107A ; 1627th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	6 December 1971 at 9h50 UTC, from Baykonur Cosmodrome's LC-31, by an A-2/"Voshhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 464

Spacecraft:	Zenit-4M
Numbers:	1971 payload #160 ; 1971-108A ; 1628th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	10 December 1971 at 11h02 UTC, from Plesetsk Cosmodrome's LC-43/3, by an A-2/"Voshhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Ariel 4 / UK 4

Spacecraft:
Numbers:	1971 payload #161 ; 1971-109A ; 1629th spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	United Kingdom

Launch:	11 December 1971 at 20h47 UTC, from Vandenberg Air Force Base's SLC-5, by a Scout B-1 (S183C).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

NOSS / "White Cloud"

Spacecraft:	OPS 7898 P/L 1 / NRL PL171
Numbers:	1971 payload #162 ; 1971-110A ; 1630th spacecraft.
Type:	Ocean surveillance
Sponsor:	U.S. Navy

Launch:	14 December 1971 at 12h13 UTC, from Vandenberg Air Force Base's SLC-1W, by a Thor-Agena D (Thorad 2L 568 / Agena D).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Subsatellite

Spacecraft:	OPS 7898 P/L 2 / NRL PL172
Numbers:	1971 payload #163 ; 1971-110B ; 1631st spacecraft.
Type:	Ocean surveillance
Sponsor:	U.S. Navy

Launch:	14 December 1971 at 12h13 UTC, from Vandenberg Air Force Base's SLC-1W, by a Thor-Agena D (Thorad 2L 568 / Agena D).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Subsatellite

Spacecraft:	OPS 7898 P/L 3 / NRL PL173
Numbers:	1971 payload #164 ; 1971-110C ; 1632th spacecraft.
Type:	Ocean surveillance
Sponsor:	U.S. Navy

Launch:	14 December 1971 at 12h13 UTC, from Vandenberg Air Force Base's SLC-1W, by a Thor-Agena D (Thorad 2L 568 / Agena D).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Subsatellite

Spacecraft:	OPS 7898 P/L 4 / NRL PL174
Numbers:	1971 payload #165 ; 1971-110D ; 1633rd spacecraft.
Type:	Ocean surveillance
Sponsor:	U.S. Air Force

Launch:	14 December 1971 at 12h13 UTC, from Vandenberg Air Force Base's SLC-1W, by a Thor-Agena D (Thorad 2L 568 / Agena D).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 465

Spacecraft:	Tsiklon
Numbers:	1971 payload #166 ; 1971-111A ; 1634th spacecraft.
Type:	Navigation
Sponsor:	Soviet Union's Defense ministry

Launch:	15 December 1971 at 4h33 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 65017-108).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 466

Spacecraft:	Zenit-4M
Numbers:	1971 payload #167 ; 1971-112A ; 1635th spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	16 December 1971 at 9h50 UTC, from Baykonur Cosmdrome's LC-31, by an A-2/"Voshhod" (11A57).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 467

Spacecraft:	DS-P1-Yu No. 45
Numbers:	1971 payload #168 ; 1971-113A ; 1636th spacecraft.
Type:	Military technologies
Sponsor:	Soviet Union's Defense ministry

Launch:	17 December 1971 at 10h40 UTC, from Plesetsk Cosmodrome's LC-133/1, by a Kosmos B-1 (11K63).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 468

Spacecraft:	Strela-2
Numbers:	1971 payload #169 ; 1971-114A ; 1637th spacecraft.
Type:	Communications (store/dump)
Sponsor:	Soviet Union's Defense ministry

Launch:	17 December 1971 at 12h57 UTC, from Plesetsk Cosmodrome's LC-132, by a Kosmos C-1 (11K65M 65014-102).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Molniya 1-19

Spacecraft:	Molniya 1U
Numbers:	1971 payload #170 ; 1971-115A ; 1638th spacecraft.
Type:	Communications
Sponsor:	Soviet Union

Launch:	19 December 1971 at 23h02 UTC, from Plesetsk Cosmodrome's LC-41/1, by an A-2-e/"Molniya" (8K78M).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Intelsat 4B

Spacecraft:	Intelsat IV F3
Numbers:	1971 payload #171 ; 1971-116A ; 1639th spacecraft.
Type:	Communications
Sponsor:	Intelsat

Launch:	20 December 1971 at 1h10 UTC, from Cape Canaveral's LC-36A, by an Atlas-Centaur (Atlas SLV-3C AC-26 / Centaur D-1A 5006C).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 469

Spacecraft:	US-A
Numbers:	1971 payload #172 ; 1971-117A ; 1640th spacecraft.
Type:	Ocean surveillance ("RORSAT")
Sponsor:	Soviet Union's Defense ministry

Launch:	25 December 1971 at 11h31 UTC, from Baykonur Cosmodrome's LC-90, by a F-1/Tsyklon 2.
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Kosmos 470

Spacecraft:	Zenit-4MT
Numbers:	1971 payload #173 ; 1971-118A ; 1641st spacecraft.
Type:	Reconnaissance
Sponsor:	Soviet Union's Defense ministry

Launch:	27 December 1971 at 14h09 UTC, from Plesetsk Cosmodrome's LC-43/4, by an A-2/Soyuz (11A511M).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Oreol 1 (Aureole 1)

Spacecraft:	DS-U2-GKA No. 1
Numbers:	1971 payload #174 ; 1971-119A ; 1642nd spacecraft.
Type:	Earth upper atmosphere studies
Sponsor:	France

Launch:	27 December 1971 at 19h00 UTC, from Plesetsk Cosmodrome's LC-132/2, by a Kosmos C-1 (11K65M 65014-103).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

Meteor 1-10

Spacecraft:	Meteor-MV
Numbers:	1971 payload #175 ; 1971-120A ; 1643rd spacecraft.
Type:	Meteorology
Sponsor:	Soviet Union

Launch:	29 December 1971 at 10h48 UTC, from Plesetsk Cosmodrome's LC-4/1, by an A-1/"Vostok" (8A92M).
Orbit:
Decayed:
Mission:
Source:	Jonathan McDowell's Master List ; Mark Wade’s Encyclopedia Astronautica ; National Space Science Data Center's ; TRW Space Log ;

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