Home 1975 Spacecrafts
1974 Summary 1976 Summary
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Table of the 168 Spacecrafts Launched in 1975
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# Spacecraft Sponsor Launch date Mission type Categories
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1) Soyuz 17 Soviet Union
(Korolev Bureau)		 10 Jan 75 C Piloted Spaceship USSR,
2) Kosmos 702 / Zenit-2M Soviet Union
Defense Ministry		 17 Jan 75 M Photo Surveillance USSR,
3) Kosmos 703 / DS-P1-Yu 70 Soviet Union
Defense Ministry		 21 Jan 75 M Science & Technology
(Technology R&D)		 USSR,
4) Landsat 2 / ERTS 2 NASA 22 Jan 75 C Earth Remote Sensing USA,
5) Kosmos 704 / Zenit-4MK Soviet Union
Defense Ministry		 23 Jan 75 M Photo Surveillance USSR,
6) Kosmos 705 / DS-P1-Yu 75 Soviet Union
Defense Ministry		 28 Jan 75 M Science & Technology
(Technology R&D)		 USSR,
7) Kosmos 706 / Oko Soviet Union
Defense Ministry		 30 Jan 75 M Missile Early Warning USSR,
8) Kosmos 707 / Tselina-O Soviet Union
Defense Ministry		 5 Feb 75 M Electronic Intelligence USSR,
9) Molniya 2-12 Soviet Union 6 Feb 75 C Communications
(Multi-service)		 USSR,
10) Starlette France (CNES) 6 Feb 75 C Earth/Space Science
(Geodesy)		 Europe,
11) SMS 2 NASA 6 Feb 75 C Meteorology USA, Geo,
12) Kosmos 708 / Sfera Soviet Union
Defense Ministry		 12 Feb 75 M Earth/Space Science
(Geodesy)		 USSR,
13) Kosmos 709 / Zenit-4MK Soviet Union
Defense Ministry		 12 Feb 75 M Photo Surveillance USSR,
14) Intelsat 4G Intelsat 20 Feb 75 C Communications
(Multi-service)		 Commer, Fail,
15) SRATS / Taiyo Japan (ISAS) 24 Feb 75 C Earth/Space Science
(Solar radiation, thermospheric structure)		 Japan,
16) Kosmos 710 / Zenit-4MK Soviet Union
Defense Ministry		 26 Feb 75 M Photo Surveillance USSR,
17) Kosmos 711 / Strela-1M Soviet Union
Defense Ministry		 28 Feb 75 M Communications
(Store/dump comsat)		 USSR,
18) Kosmos 712 / Strela-1M Soviet Union
Defense Ministry		 28 Feb 75 M Communications
(Store/dump comsat)		 USSR,
19) Kosmos 713 / Strela-1M Soviet Union
Defense Ministry		 28 Feb 75 M Communications
(Store/dump comsat)		 USSR,
20) Kosmos 714 / Strela-1M Soviet Union
Defense Ministry		 28 Feb 75 M Communications
(Store/dump comsat)		 USSR,
21) Kosmos 715 / Strela-1M Soviet Union
Defense Ministry		 28 Feb 75 M Communications
(Store/dump comsat)		 USSR,
22) Kosmos 716 / Strela-1M Soviet Union
Defense Ministry		 28 Feb 75 M Communications
(Store/dump comsat)		 USSR,
23) Kosmos 717 / Strela-1M Soviet Union
Defense Ministry		 28 Feb 75 M Communications
(Store/dump comsat)		 USSR,
24) Kosmos 718 / Strela-1M Soviet Union
Defense Ministry		 28 Feb 75 M Communications
(Store/dump comsat)		 USSR,
25) SDS 3 / Jumpseat 4 U.S. National Re-
connaissance Office		 10 Mar 75 M Electronic Intelligence USA,
26) Kosmos 719 / Zenit-4MK Soviet Union
Defense Ministry		 12 Mar 75 M Photo Surveillance USSR,
27) Kosmos 720 / Zenit-4MT (Orion) Soviet Union
Defense Ministry		 21 Mar 75 M Photo Surveillance USSR,
28) Kosmos 721 / Zenit-2M Soviet Union
Defense Ministry		 26 Mar 75 M Photo Surveillance USSR,
29) Nauka [19] Soviet Union
Defense Ministry		 26 Mar 75 M Science & Technology
(Ballast + experiment)		 USSR,
30) Kosmos 722 / Zenit-4MK Soviet Union
Defense Ministry		 27 Mar 75 M Photo Surveillance USSR,
31) Intercosmos 13 Soviet Union +
East Europe countries		 27 Mar 75 C Earth/Space Science
(Upper atmospheric experiments)		 USSR,
32) Meteor 1-21 Soviet Union 1 Apr 75 C Meteorology USSR,
33) Kosmos 723 / US-A Soviet Union
Defense Ministry		 2 Apr 75 M Ocean Surveillance
(Nuclear powered)		 USSR,
34) April 5 anomaly Soviet Union
(Korolev Bureau)		 5 Apr 75 C Piloted Spaceship USSR, Fail,
35) Kosmos 724 / US-A Soviet Union
Defense Ministry		 7 Apr 75 M Ocean Surveillance
(Nuclear powered)		 USSR,
36) Kosmos 725 / DS-P1-Yu 77 Soviet Union
Defense Ministry		 8 Apr 75 M Science & Technology
(Technology R&D)		 USSR,
37) GEOS 3 NASA 9 Apr 75 C Meteorology USA,
38) Kosmos 726 / Parus Soviet Union
Defense Ministry		 11 Apr 75 M Navigation USSR,
39) P72-2 U.S. Air Force 13 Apr 75 M Technology USA, Fail,
40) Molniya 3-2 Soviet Union 14 Apr 75 C Communications
(Multi-service)		 USSR,
41) Kosmos 727 / Zenit-4MK Soviet Union
Defense Ministry		 16 Apr 75 M Photo Surveillance USSR,
42) Kosmos 728 / Zenit-2M Soviet Union
Defense Ministry		 18 Apr 75 M Photo Surveillance USSR,
43) Nauka [20] Soviet Union
Defense Ministry		 18 Apr 75 M Science & Technology
(Ballast + experiment)		 USSR,
44) Titan Samos 44 / / U.S. National Re-
connaissance Office		 18 Apr 75 M Photo Surveillance USA,
45) Aryabhata India (ISRO) 19 Apr 75 C Earth/Space Science
(Atmospheric research and experimental satellite)		 India,
46) Kosmos 729 / Tsiklon Soviet Union
Defense Ministry		 22 Apr 75 M Navigation USSR,
47) Kosmos 730 / Zenit-4MK Soviet Union
Defense Ministry		 24 Apr 75 M Photo Surveillance USSR,
48) Molniya 1-29 Soviet Union 29 Apr 75 C Communications
(Multi-service)		 USSR,
49) Explorer 53 / SAS 3 NASA  7 May 75 C Earth/Space Science
(Solar studies)		 USA,
50) Anik 3 / Telesat C Telesat Canada 7 May 75 C Communications
(Multi-service)		 Canada, Geo,
51) D5-A Pollux France (CNES) 17 May 75 C Technology
(Geodesy)		 Europe,
52) D5-B / Castor France (CNES) 17 May 75 C Technology
(Geodesy)		 Europe,
53) DSCS 2-5 U.S. Department
of Defense		 20 May 75 M Communications
(Military services)		 USA, Fail,
54) DSCS 2-6 U.S. Department
of Defense		 20 May 75 M Communications
(Military services)		 USA, Fail,
55) Kosmos 731 / Zenit-2M Soviet Union
Defense Ministry		 21 May 75 M Photo Surveillance USSR,
56) Nauka [21] Soviet Union
Defense Ministry		 21 May 75 M Science & Technology
(Ballast + experiment)		 USSR,
57) Intelsat 4H Intelsat 22 May 75 C Communications
(Multi-service)		 Commer, Geo,
58) Block 5C (#3) / DMSP Block-5C F2 U.S. Department
of Defense		 24 May 75 M Meteorology USA,
59) Soyuz 18 Soviet Union
(Korolev Bureau)		 24 May 75 C Piloted Spaceship USSR,
60) Kosmos 732 / Strela-1M Soviet Union
Defense Ministry		 28 May 75 M Communications
(Store/dump comsat)		 USSR,
61) Kosmos 733 / Strela-1M Soviet Union
Defense Ministry		 28 May 75 M Communications
(Store/dump comsat)		 USSR,
62) Kosmos 734 / Strela-1M Soviet Union
Defense Ministry		 28 May 75 M Communications
(Store/dump comsat)		 USSR,
63) Kosmos 735 / Strela-1M Soviet Union
Defense Ministry		 28 May 75 M Communications
(Store/dump comsat)		 USSR,
64) Kosmos 736 / Strela-1M Soviet Union
Defense Ministry		 28 May 75 M Communications
(Store/dump comsat)		 USSR,
65) Kosmos 737 / Strela-1M Soviet Union
Defense Ministry		 28 May 75 M Communications
(Store/dump comsat)		 USSR,
66) Kosmos 738 / Strela-1M Soviet Union
Defense Ministry		 28 May 75 M Communications
(Store/dump comsat)		 USSR,
67) Kosmos 739 / Strela-1M Soviet Union
Defense Ministry		 28 May 75 M Communications
(Store/dump comsat)		 USSR,
68) Kosmos 740 / Zenit-4MK Soviet Union
Defense Ministry		 28 May 75 M Photo Surveillance USSR,
69) Kosmos 741 / Gektor-Priroda Soviet Union 30 May 75 C Earth Remote Sensing USSR,
70) Intercosmos Soviet Union + 
East Europe countries		 3 Jun 75 C Earth/Space Science
(Magnetosphere research)		 USSR, Fail,
71) Kosmos 742 / Zenit-4MK Soviet Union
Defense Ministry		 3 Jun 75 M Photo Surveillance USSR,
72) Molniya 1-30 Soviet Union 5 Jun 75 C Communications
(Multi-service)		 USSR,
73) SRET 2 France (CNES) 5 Jun 75 C Technology
(System R&D)		 Europe,
74) Venera 9 Soviet Union 8 Jun 75 C Planetary Exploration
(Venus)		 USSR,
75) Big Bird 10 / KH-9 10 HEXAGON U.S. National Re-
connaissance Office		 8 Jun 75 M Photo Surveillance USA,
76) SSU 1 U.S. National Re-
connaissance Office		 8 Jun 75 M Electronic Intelligence USA,
77) Nimbus 6 NASA 12 Jun 75 C Meteorology USA,
78) Kosmos 743 / Zenit-4MK Soviet Union
Defense Ministry		 12 Jun 75 M Photo Surveillance USSR,
79) Venera 10 Soviet Union 14 Jun 75 C Planetary Exploration
(Venus)		 USSR,
80) CANYON 6 U.S. National Re-
connaissance Office		 18 Jun 75 M Electronic Intelligence USA, Geo,
81) Kosmos 744 / Tselina-D Soviet Union
Defense Ministry		 20 Jun 75 M Electronic Intelligence USSR,
82) OSO 8 NASA 21 Jun 75 C Solar Observatory USA,
83) Kosmos 745 / DS-P1-Yu 76 Soviet Union
Defense Ministry		 24 Jun 75 M Science & Technology
(Technology R&D)		 USSR,
84) Kosmos 746 / Zenit-4MK Soviet Union
Defense Ministry		 25 Jun 75 M Photo Surveillance USSR,
85) Kosmos 747 / Zenit-2M Soviet Union
Defense Ministry		 27 Jun 75 M Photo Surveillance USSR,
86) Nauka [22] Soviet Union
Defense Ministry		 27 Jun 75 M Science & Technology
(Ballast + experiment)		 USSR,
87) Kosmos 748 / Zenit-4MK Soviet Union
Defense Ministry		 3 Jul 75 M Photo Surveillance USSR,
88) Kosmos 749 / Tselina-O Soviet Union
Defense Ministry		 4 Jul 75 M Electronic Intelligence USSR,
89) Molniya 2-13 Soviet Union 8 Jul 75 C Communications
(Multi-service)		 USSR,
90) Meteor 2-4 Soviet Union 11 Jul 75 C Meteorology USSR,
91) Soyuz 19 Soviet Union
(Korolev Bureau)		 15 Jul 75 C Piloted Spaceship USSR,
92) Apollo ASTP NASA 15 Jul 75 C Piloted Spaceship USA,
93) Kosmos 750 / DS-P1-I 15 Soviet Union
Defense Ministry		 17 Jul 75 M Science & Technology
(Technology R&D)		 USSR,
94) Kosmos 751 / Zenit-2M Soviet Union
Defense Ministry		 23 Jul 75 M Photo Surveillance USSR,
95) Kosmos 752 / Vektor Soviet Union
Defense Ministry		 24 Jul 75 M Radar Calibration USSR,
96) JSSW 3 ("Chinasat 3") China 26 Jul 75 M Electronic Intelligence China,
97) Kosmos 753 / Zenit-4MK Soviet Union
Defense Ministry		 31 Jul 75 M Photo Surveillance USSR,
98) COS B Europe (ESA) 9 Aug 75 C Technology
(1st ESA satellite)		 Europe,
99) Kosmos 754 / Zenit-4MK Soviet Union
Defense Ministry		 13 Aug 75 M Photo Surveillance USSR,
100) Kosmos 755 / Parus Soviet Union
Defense Ministry		 14 Aug 75 M Navigation USSR,
101) Viking 1 Orbiter NASA 20 Aug 75 C Planetary Exploration
(Mars)		 USA,
102) Viking 1 Lander NASA 20 Aug 75 C Planetary Exploration
(Mars)		 USA,
103) Kosmos 756 / Tselina-D Soviet Union
Defense Ministry		 22 Aug 75 M Electronic Intelligence USSR,
104) Symphonie 2 France-West
Germany		 27 Aug 75 C Communications
(Experimental)		 Europe, Geo,
105) Kosmos 757 / Zenit-4MK Soviet Union
Defense Ministry		 27 Aug 75 M Photo Surveillance USSR,
106) Molniya 1-31 Soviet Union 2 Sep 75 C Communications
(Multi-service)		 USSR,
107) Kosmos 758 / Yantar'-2K 3 Soviet Union
Defense Ministry		 5 Sep 75 M Photo Surveillance USSR, Fail,
108) Molniya 2-14 Soviet Union 9 Sep 75 C Communications
(Multi-service)		 USSR,
109) ETS 1 / Kiku-1 Japan (NASDA) 9 Sep 75 C Technology
(Satellite R&D test)		 Japan,
110) Viking 2 Orbiter NASA 9 Sep 75 C Planetary Exploration
(Mars)		 USA,
111) Viking 2 Lander NASA 9 Sep 75 C Planetary Exploration
(Mars)		 USA,
112) Kosmos 759 / Zenit-4MT (Orion) Soviet Union
Defense Ministry		 12 Sep 75 M Photo Surveillance USSR,
113) Kosmos 760 / Zenit-4MK Soviet Union
Defense Ministry		 16 Sep 75 M Photo Surveillance USSR, 
114) Kosmos 761 / Strela-1M Soviet Union
Defense Ministry		 17 Sep 75 M Communications
(Store/dump comsat)		 USSR,
115) Kosmos 762 / Strela-1M Soviet Union
Defense Ministry		 17 Sep 75 M Communications
(Store/dump comsat)		 USSR,
116) Kosmos 763 / Strela-1M Soviet Union
Defense Ministry		 17 Sep 75 M Communications
(Store/dump comsat)		 USSR,
117) Kosmos 764 / Strela-1M Soviet Union
Defense Ministry		 17 Sep 75 M Communications
(Store/dump comsat)		 USSR,
118) Kosmos 765 / Strela-1M Soviet Union
Defense Ministry		 17 Sep 75 M Communications
(Store/dump comsat)		 USSR,
119) Kosmos 766 / Strela-1M Soviet Union
Defense Ministry		 17 Sep 75 M Communications
(Store/dump comsat)		 USSR,
120) Kosmos 767 / Strela-1M Soviet Union
Defense Ministry		 17 Sep 75 M Communications
(Store/dump comsat)		 USSR,
121) Kosmos 768 / Strela-1M Soviet Union
Defense Ministry		 17 Sep 75 M Communications
(Store/dump comsat)		 USSR,
122) Meteor 1-22 Soviet Union 18 Sep 75 C Meteorology USSR,
123) Kosmos 769 / Zenit-2M Soviet Union
Defense Ministry		 23 Sep 75 M Photo Surveillance USSR,
124) Kosmos 770 / Sfera Soviet Union 24 Sep 75 M Earth/Space Science
(Geodesy)		 USSR,
125) Kosmos 771 / Zenit-4MKT (Fram) Soviet Union
Defense Ministry		 25 Sep 75 M Photo Surveillance USSR,
126) Intelsat 4A F-1 Intelsat 26 Sep 75 C Communications
(Multi-service)		 Commer, Geo,
127) D-2B Aura France (CNES) 27 Sep 75 C Astronomy Europe,
128) Kosmos 772  (Soyuz) Soviet Union
(Korolev Bureau)		 29 Sep 75 C Piloted Spaceship Test
(Soyuz test flight)		 USSR, (Fail?) 
129) Kosmos 773 / Strela-2 Soviet Union
Defense Ministry		 30 Sep 75 M Communications
(Store/dump comsat)		 USSR,
130) Kosmos 774 / Zenit-4MK Soviet Union
Defense Ministry		 1 Oct 75 M Photo Surveillance USSR,
131) Explorer 54 / AE-D NASA 6 Oct 75 C Earth/Space Science
(Atmospheric research)		 USA,
132) Kosmos 775 / Oko? / SPRN 1 Soviet Union
Defense Ministry		 8 Oct 75 M Missile Early Warning
(Prototype)		 USSR, Geo,
133) Titan Samos 45 / KH-8 45 GAMBIT U.S. National Re-
connaissance Office		 9 Oct 75 M Photo Surveillance USA,
134) TIP 2 / Triad 2 U.S. Navy 12 Oct 75 M Navigation
(Prototype)		 USA,
135) Luna Soviet Union 16 Oct 75 C Planetary Exploration
(Moon)		 USSR, Fail,
136) GOES 1 / SMS 3 NASA 16 Oct 75 C Meteorology USA, Geo,
137) Kosmos 776 / Zenit-2M Soviet Union
Defense Ministry		 17 Oct 75 M Photo Surveillance USSR,
138) Nauka [23] Soviet Union
Defense Ministry		 17 Oct 75 M Science & Technology
(Ballast + experiment)		 USSR,
139) Kosmos 777 / US-P Soviet Union
Defense Ministry		 29 Oct 75 M Ocean Surveillance USSR, Fail,
140) Kosmos 778 / Parus Soviet Union
Defense Ministry		 4 Nov 75 M Navigation USSR,
141) Kosmos 779 / Zenit-4MK Soviet Union
Defense Ministry		 4 Nov 75 M Photo Surveillance USSR,
142) Molniya 3-3 Soviet Union 14 Nov 75 C Communications
(Multi-service)		 USSR,
143) Soyuz 20 Soviet Union
(Korolev Bureau)		 17 Nov 75 C Piloted Spaceship Test
(Unmanned long duration test)		 USSR,
144) Explorer 55 / AE-E NASA 20 Nov 75 C Earth/Space Science
(Atmosphere studies)		 USA,
145) Kosmos 780 / Zenit-2M Soviet Union
Defense Ministry		 21 Nov 75 M Photo Surveillance USSR,
146) Nauka [24] Soviet Union
Defense Ministry		 21 Nov 75 M Science & Technology
(Ballast + experiment)		 USSR,
147) Kosmos 781 / Tselina-O Soviet Union
Defense Ministry		 21 Nov 75 M Electronic Intelligence USSR,
148) Kosmos 782 / Bion 3 Soviet Union 25 Nov 75 C Biology USSR,
149) FSW 1-01 ("Chinasat 4") China 26 Nov 75 M Photo Surveillance China,
150) Kosmos 783 / Strela-2 Soviet Union
Defense Ministry		 28 Nov 75 M Communications
(Store/dump comsat)		 USSR,
151) Kosmos 784 / Zenit-2M Soviet Union
Defense Ministry		 3 Dec 75 M Photo Surveillance USSR,
152) Nauka [25] Soviet Union
Defense Ministry		 3 Dec 75 M Science & Technology
(Ballast + experiment)		 USSR,
153) Big Bird 11 / KH-9 11 HEXAGON U.S. National Re-
connaissance Office		 4 Dec 75 M Photo Surveillance USA,
154) Hitchhiker 38 U.S. National Re-
connaissance Office		 4 Dec 75 M Electronic Intelligence USA,
155) Explorer / DAD-A NASA 6 Dec 75 C Earth/Space Science
(Air density experiments)		 USA, Fail,
156) Explorer / DAD-B NASA 6 Dec 75 C Earth/Space Science
(Air density experiments)		 USA, Fail,
157) Intercosmos 14 Soviet Union +
East Europe countries		 11 Dec 75 C Earth/Space Science
(Magnetosphere studies)		 USSR,
158) Kosmos 785 / US-A Soviet Union
Defense Ministry		 12 Dec 75 M Ocean Surveillance
(Nuclear powered)		 USSR, Fail,
159) RCA Satcom 1 RCA Comm. 13 Dec 75 C Communications
(Multi-service)		 Commer, Geo,
160) IMEWS 5 / DSP 8 U.S. Air Force 14 Dec 75 M Missile Early Warning USA, Geo,
161) JSSW 4 ("Chinasat 5") China  16 Dec 75 M Electronic Intelligence China
162) Kosmos 786 / Zenit-4MK Soviet Union
Defense Ministry		 16 Dec 75 M Photo Surveillance USSR,
163) Molniya 2-15 Soviet Union 17 Dec 75 C Communications
(Multi-service)		 USSR,
164) Kosmos / I2P (Lira) Soviet Union
Defense Ministry		 19 Dec 75 M Antisatellite Test
(ASAT Target)		 USSR, Fail,
165) Prognoz 4 Soviet Union 22 Dec 75 C Earth/Space Science
(Earth/Sun relationships)		 USSR,
166) Raduga 1 (Statsionar-1) Soviet Union 22 Dec 75 C Communications
(Multi-service)		 USSR, Geo,
167) Meteor 1-23 Soviet Union 25 Dec 75 C Meteorology USSR,
168) Molniya 3-4 Soviet Union 27 Dec 75 C Communications
(Multi-service)		 USSR,
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1974 Summary All Summaries 1976 Summary
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© Claude Lafleur, 2004-2008
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