List of Oko satellites

Oko is a Russian satellite-based missile detection and early warning system. The system has used a total of 101 satellites, which were launched between 1972 and 2012. Eighty six US-K satellites, operated in semisynchronous elliptical molniya orbits, were launched by Molniya-M carrier rockets with Blok 2BL upper stages, whilst the geostationary part of the system was served by seven US-KS and eight US-KMO satellites, launched using Proton-K carrier rockets with Blok DM and DM-2 upper stages.

Spacecraft Type[1] Launch Date (UTC)[2] Carrier rocket[2] Launch site[2] Placement[3] Ceased operations[3] Decay Date[4] Remarks
Kosmos 520 US-K 19 September 1972
19:19:03		 Molniya-M/2BL Plesetsk 41/1 HEO 4 Unknown in orbit
Kosmos 606 US-K 2 November 1973
13:01:56		 Molniya-M/2BL Plesetsk 41/1 HEO 4 April 1974 in orbit
Kosmos 665 US-K 29 June 1974
15:59:58		 Molniya-M/2BL Plesetsk 41/1 HEO 2 September 1975 6 July 1990
Kosmos 706 US-K 30 January 1975
15:02		 Molniya-M/2BL Plesetsk 41/1 HEO 7 November 1975 in orbit
Kosmos 775 US-KS[5] 8 October 1975
00:30:00		 Proton-K/DM Baikonur 81/23 GEO October 1975 in orbit Never entered service
Kosmos 862 US-K 22 October 1976
09:12		 Molniya-M/2BL Plesetsk 43/4 HEO 5 March 1977 in orbit
Kosmos 903 US-K 11 April 1977
01:38		 Molniya-M/2BL Plesetsk 43/3 HEO 7 June 1978 in orbit
Kosmos 917 US-K 16 June 1977
01:58		 Molniya-M/2BL Plesetsk 43/4 HEO 9 March 1979 in orbit
Kosmos 931 US-K 20 July 1977
04:44		 Molniya-M/2BL Plesetsk 43/4 HEO 2 October 1977 in orbit Never entered service
Kosmos 1024 US-K 28 June 1978
02:59		 Molniya-M/2BL Plesetsk 43/3 HEO 2 May 1980 in orbit
Kosmos 1030 US-K 6 September 1978
03:04		 Molniya-M/2BL Plesetsk 43/4 HEO 4 October 1978 17 August 2004 Never entered service
Kosmos 1109 US-K 27 June 1979
18:11		 Molniya-M/2BL Plesetsk 41/1 HEO 9 February 1980 in orbit Never entered service
Kosmos 1124 US-K 28 August 1979
00:17		 Molniya-M/2BL Plesetsk 43/4 HEO 4 September 1979 in orbit Never entered service
Kosmos 1164 US-K 12 February 1980
00:53		 Molniya-M/2BL Plesetsk 43/4 HEO 9 12 February 1980 12 February 1980 Launch failure; Blok 2BL failed to ignite, never left low Earth parking orbit[6]
Kosmos 1172 US-K 12 April 1980
20:18		 Molniya-M/2BL Plesetsk 41/1 HEO 9 April 1982 26 December 1997
Kosmos 1188 US-K 14 June 1980
20:52		 Molniya-M/2BL Plesetsk 43/3 HEO 2 October 1980 in orbit
Kosmos 1191 US-K 2 July 1980
00:54		 Molniya-M/2BL Plesetsk 41/1 HEO 4 May 1981 in orbit
Kosmos 1217 US-K 24 October 1980
10:53		 Molniya-M/2BL Plesetsk 41/1 HEO 2 March 1983 in orbit
Kosmos 1223 US-K 27 November 1980
21:37		 Molniya-M/2BL Plesetsk 41/1 HEO 7 August 1982 in orbit
Kosmos 1247 US-K 19 February 1981
10:00		 Molniya-M/2BL Plesetsk 16/2 HEO 5 October 1981 in orbit
Kosmos 1261 US-K 31 March 1981
09:40		 Molniya-M/2BL Plesetsk 41/1 HEO 6 May 1981 in orbit
Kosmos 1278 US-K 19 June 1981
19:37:04		 Molniya-M/2BL Plesetsk 43/3 HEO 4 July 1984 2 September 2000
Kosmos 1285 US-K 4 August 1981
00:13		 Molniya-M/2BL Plesetsk 16/2 HEO 6 November 1981 in orbit Never entered service
Kosmos 1317 US-K 31 October 1981
22:54		 Molniya-M/2BL Plesetsk 16/2 HEO 9 January 1984 in orbit
Kosmos 1341 US-K 3 March 1982
05:44:38		 Molniya-M/2BL Plesetsk 16/2 HEO 5 February 1984 in orbit
Kosmos 1348 US-K 7 April 1982
13:42		 Molniya-M/2BL Plesetsk 16/2 HEO 9 July 1984 in orbit
Kosmos 1367 US-K 20 May 1982
13:09		 Molniya-M/2BL Plesetsk 41/1 HEO 1 September 1984 in orbit
Kosmos 1382 US-K 25 June 1982
02:28		 Molniya-M/2BL Plesetsk 43/3 HEO 7 September 1984 in orbit
Kosmos 1409 US-K 22 September 1982
06:23		 Molniya-M/2BL Plesetsk 16/2 HEO 2 January 1987 8 June 2009
Kosmos 1456 US-K 25 April 1983
19:34		 Molniya-M/2BL Plesetsk 16/2 HEO 4 August 1983 11 May 1998
Kosmos 1481 US-K 8 July 1983
19:21		 Molniya-M/2BL Plesetsk 43/3 HEO 6 9 July 1983 in orbit Never entered service
Kosmos 1518 US-K 28 December 1983
03:48		 Molniya-M/2BL Plesetsk 16/2 HEO 5 June 1984 19 September 1998
Kosmos 1541 US-K 6 March 1984
17:10		 Molniya-M/2BL Plesetsk 16/2 HEO 3 October 1985 in orbit
Kosmos 1546 US-KS[5] 29 March 1984
05:53		 Proton-K/DM Baikonur 200/40 GEO 1 & 4 November 1986 in orbit
Kosmos 1547 US-K 4 April 1984
01:40:04		 Molniya-M/2BL Plesetsk 16/2 HEO 7 August 1985 in orbit
Kosmos 1569 US-K 6 June 1984
15:34		 Molniya-M/2BL Plesetsk 16/2 HEO 5 January 1986 7 May 2001
Kosmos 1581 US-K 3 July 1984
21:31		 Molniya-M/2BL Plesetsk 43/4 HEO 8 August 1985 in orbit
Kosmos 1586 US-K 2 August 1984
08:38		 Molniya-M/2BL Plesetsk 16/2 HEO 4 April 1985 in orbit
Kosmos 1596 US-K 7 September 1984
19:13		 Molniya-M/2BL Plesetsk 16/2 HEO 9 November 1986 in orbit
Kosmos 1604 US-K 4 October 1984 Molniya-M/2BL Plesetsk 16/2 HEO 1 September 1985 in orbit
Kosmos 1629 US-KS[5] 21 February 1985
07:57		 Proton-K/DM Baikonur 200/39 GEO 4, 3 & 1 January 1987 in orbit
Kosmos 1658 US-K 11 June 1985
14:27		 Molniya-M/2BL Plesetsk 41/1 HEO 6 September 1987 12 November 2005
Kosmos 1661 US-K 18 June 1985
00:40:26		 Molniya-M/2BL Plesetsk 16/2 HEO October 1989 in orbit Never entered service
Kosmos 1675 US-K 12 August 1985
15:09		 Molniya-M/2BL Plesetsk 16/2 HEO 8 January 1986 in orbit
Kosmos 1684 US-K 24 September 1985
01:18:10		 Molniya-M/2BL Plesetsk 43/4 HEO 4 March 1989 in orbit
Kosmos 1687 US-K 30 September 1985
19:23		 Molniya-M/2BL Plesetsk 16/2 HEO 2 September 1985 in orbit
Kosmos 1698 US-K 22 October 1985
20:24		 Molniya-M/2BL Plesetsk 43/4 HEO 3 August 1986 in orbit
Kosmos 1701 US-K 9 November 1985
08:25		 Molniya-M/2BL Plesetsk 41/1 HEO 8 November 1987 11 May 2001
Kosmos 1729 US-K 1 February 1986
18:11:56		 Molniya-M/2BL Plesetsk 16/2 HEO 5 May 1988 in orbit
Kosmos 1761 US-K 5 July 1986
01:16:47		 Molniya-M/2BL Plesetsk 43/4 HEO 3 October 1988 in orbit
Kosmos 1774 US-K 28 August 1986
08:02:43		 Molniya-M/2BL Plesetsk 16/2 HEO 7 July 1988 2 November 2010
Kosmos 1783 US-K 3 October 1986
13:05:40		 Molniya-M/2BL Plesetsk 41/1 HEO 1 3 October 1986 in orbit Launch failure during upper stage burn, placed in lower than planned orbit and unusable[6]
Kosmos 1785 US-K 15 October 1986
09:29:18		 Molniya-M/2BL Plesetsk 41/1 HEO 9 January 1991 28 February 2002
Kosmos 1793 US-K 20 November 1986
12:09:20		 Molniya-M/2BL Plesetsk 16/2 HEO 2 August 1991 15 May 2011
Kosmos 1806 US-K 12 December 1986
18:35:36		 Molniya-M/2BL Plesetsk 43/4 HEO 5 November 1988 in orbit
Kosmos 1849 US-K 4 June 1987
18:50:23		 Molniya-M/2BL Plesetsk 16/2 HEO 1 May 1990 3 February 2003
Kosmos 1851 US-K 12 June 1987
07:40:28		 Molniya-M/2BL Plesetsk 43/4 HEO 6 November 1989 in orbit
Kosmos 1894 US-KS[5] 28 October 1987
15:15:00		 Proton-K/DM-2 Baikonur 200/40 GEO 1 December 1991 in orbit
Kosmos 1903 US-K 21 December 1987
22:35:42		 Molniya-M/2BL Plesetsk 41/1 HEO 8 November 1992 in orbit
Kosmos 1922 US-K 26 February 1988
09:39:12		 Molniya-M/2BL Plesetsk 41/1 HEO 5 July 1990 in orbit
Kosmos 1966 US-K 30 August 1988
14:14:54		 Molniya-M/2BL Plesetsk 16/2 HEO 3 December 1990 10 November 2005
Kosmos 1974 US-K 3 October 1988
22:23:39		 Molniya-M/2BL Plesetsk 41/1 HEO 7 May 1993 in orbit
Kosmos 1977 US-K 25 October 1988
18:02:31		 Molniya-M/2BL Plesetsk 41/1 HEO 6 July 1990 in orbit
Kosmos 2001 US-K 14 February 1989
04:21:11		 Molniya-M/2BL Plesetsk 43/3 HEO 4 March 1993 22 September 2008
Kosmos 2050 US-K 23 November 1989
20:35:44		 Molniya-M/2BL Plesetsk 16/2 HEO 9 October 1993 in orbit
Kosmos 2063 US-K 27 March 1990
16:40:08		 Molniya-M/2BL Plesetsk 43/3 HEO 2 June 1995 in orbit
Kosmos 2076 US-K 28 April 1990
11:37:02		 Molniya-M/2BL Plesetsk 16/2 HEO 1 October 1992 in orbit
Kosmos 2084 US-K 21 June 1990
20:45:52		 Molniya-M/2BL Plesetsk 43/3 HEO 6 21 June 1990 in orbit Launch failure; Blok 2BL failed to ignite, never left low Earth orbit[6]
Kosmos 2087 US-K 25 July 1990
18:13:56		 Molniya-M/2BL Plesetsk 16/2 HEO 6 January 1992 in orbit
Kosmos 2097 US-K 28 August 1990
07:49:13		 Molniya-M/2BL Plesetsk 43/4 HEO 3 April 1995 in orbit
Kosmos 2105 US-K 20 November 1990
02:33:14		 Molniya-M/2BL Plesetsk 16/2 HEO 3 April 1993 21 January 2008
Kosmos 2133 US-KMO[7] 14 February 1991
08:31:56		 Proton-K/DM-2 Baikonur 200/39 GEO 4, 3, 2, 1 & 4 November 1995 in orbit
Kosmos 2155 US-KS[5] 13 September 1991
17:51:02		 Proton-K/DM-2 Baikonur 81/23 GEO 1 June 1992 in orbit
Kosmos 2176 US-K 24 January 1992
01:18:01		 Molniya-M/2BL Plesetsk 43/3 HEO 6 April 1996 17 January 2012
Kosmos 2196 US-K 8 July 1992
09:53:14		 Molniya-M/2BL Plesetsk 43/3 HEO 5 June 1994 in orbit
Kosmos 2209 US-KS[5] 10 September 1992
18:01:18		 Proton-K/DM-2 Baikonur 81/23 GEO 1 November 1996 in orbit
Kosmos 2217 US-K 21 October 1992
10:21:22		 Molniya-M/2BL Plesetsk 16/2 HEO 8 November 1996 6 November 2010
Kosmos 2222 US-K 25 November 1992
12:18:54		 Molniya-M/2BL Plesetsk 43/3 HEO 1 December 1996 in orbit
Kosmos 2224 US-KMO[7] 17 December 1992
12:45:00		 Proton-K/DM-2 Baikonur 200/39 GEO 2, 1 & 2 June 1999 in orbit
Kosmos 2232 US-K 26 January 1993
15:55:26		 Molniya-M/2BL Plesetsk 16/2 HEO 4 June 1998 in orbit
Kosmos 2241 US-K 6 April 1993
19:07:27		 Molniya-M/2BL Plesetsk 43/4 HEO 7 January 1997 in orbit
Kosmos 2261 US-K 10 August 1993
14:53:45		 Molniya-M/2BL Plesetsk 16/2 HEO 1 March 1998 in orbit
Kosmos 2282 US-KMO[7] 6 July 1994
23:58:51		 Proton-K/DM-2 Baikonur 81/23 HEO 9 December 1995 in orbit
Kosmos 2286 US-K 5 August 1994
01:12:21		 Molniya-M/2BL Plesetsk 16/2 HEO 5 March 1998 in orbit
Kosmos 2312 US-K 24 May 1995
20:10:09		 Molniya-M/2BL Plesetsk 16/2 HEO 2 December 1997 in orbit
Kosmos 2340 US-K 9 April 1997
08:58:44		 Molniya-M/2BL Plesetsk 16/2 HEO 8 May 2001 in orbit
Kosmos 2342 US-K 14 May 1997
00:33:57		 Molniya-M/2BL Plesetsk 43/4 HEO 6 May 2001 in orbit
Kosmos 2345 US-KS[5] 24 August 1997
20:49:14		 Proton-K/DM-2 Baikonur 200/39 GEO 1 February 1999 in orbit
Kosmos 2350 US-KMO[7] 29 April 1998
04:36:54		 Proton-K/DM-2 Baikonur 200/39 GEO 4 June 1998 in orbit
Kosmos 2351 US-K 7 May 1998
08:53:22		 Molniya-M/2BL Plesetsk 16/2 HEO 1 May 2001 in orbit
Kosmos 2368 US-K 27 December 1999
19:12:44		 Molniya-M/2BL Plesetsk 16/2 HEO 3 in orbit
Kosmos 2379 US-KMO[7] 24 August 2001
20:35		 Proton-K/DM-2 Baikonur 81/24 GEO 4, 1 & 2 2009-10 in orbit
Kosmos 2388 US-K 1 April 2002
22:06:45		 Molniya-M/2BL Plesetsk 16/2 November 2006[8] 14 September 2011
Kosmos 2393 US-K 24 December 2002
12:20:13		 Molniya-M/2BL Plesetsk 16/2 March 2007[8] in orbit
Kosmos 2397 US-KMO[7] 24 April 2003
04:23:17		 Proton-K/DM-2 Baikonur 81/24 June 2003[9] in orbit
Kosmos 2422 US-K 21 July 2006
04:20:03		 Molniya-M/2BL Plesetsk 16/2 Active in orbit
Kosmos 2430 US-K 23 October 2007
04:39		 Molniya-M/2BL Plesetsk 16/2 Active in orbit
Kosmos 2440 US-KMO[7] 26 June 2008
23:59:43		 Proton-K/DM-2 Baikonur 81/24 GEO 4[10] February 2010[10] in orbit
Kosmos 2446 US-K 2 December 2008
05:00		 Molniya-M/2BL Plesetsk 16/2 Active in orbit
Kosmos 2469 US-K 30 September 2010
17:01:15		 Molniya-M/2BL Plesetsk 16/2 Active in orbit Final flight of Molniya-M[11]
Kosmos 2479 US-KMO[7] 30 March 2012
05:49[12]		 Proton-K/DM-2[12] Baikonur 81/24[12] GEO 4[13] Active in orbit Final flight of Proton-K

References
  1. Krebs, Gunter. "US-K (73D6)". Gunter's Space Page. Retrieved 2 May 2012.
  2. McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2 May 2012.
  3. Podvig, Pavel (2002). "History and the Current Status of the Russian Early-Warning System" (PDF). Science and Global Security. 10: 21–60. CiteSeerX 10.1.1.692.6127. doi:10.1080/08929880212328. ISSN 0892-9882. Archived from the original (PDF) on 2012-03-15.
  4. McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 2 May 2012.
  5. Krebs, Gunter. "US-KS (74Kh6)". Gunter's Space Page. Retrieved 2 May 2012.
  6. Wade, Mark. "Molniya 8K78M". Encyclopedia Astronautica. Archived from the original on 8 May 2012. Retrieved 2 May 2012.
  7. Krebs, Gunter. "US-KMO (71Kh6)". Gunter's Space Page. Retrieved 2 May 2012.
  8. Podvig, Pavel (23 October 2007). "Launch of Cosmos-2430 early-warning satellite". RussianForces.org. Retrieved 2 May 2012.
  9. Podvig, Pavel (28 November 2003). "Problems with Russian military satellites". RussianForces.org. Retrieved 2 May 2012.
  10. Podvig, Pavel (2 September 2010). "Only two satellites left in Russia's early-warning system". RussianForces.org. Retrieved 2 May 2012.
  11. Zak, Anatoly. "Molniya rocket". RussianSpaceWeb. Retrieved 2 May 2012.
  12. McDowell, Jonathan (12 April 2012). "Issue 656". Jonathan's Space Report. Archived from the original on 6 December 2012. Retrieved 2 May 2012.
  13. Podvig, Pavel (30 March 2012). "Cosmos-2479 - new geostationary early warning satellite". RussianForces.org. Retrieved 2 May 2012.
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