Oko Satellite Bus
Data current as of 2026-07-20.
The Oko bus accounts for 93 cataloged objects, of which 54 are in orbit and 0 are active. 39 have reentered. Most are built by NPOL/KOMET. The largest operator on this bus is PVO. The first launched in 1972, the most recent in 2010.
54
In orbit
0
Active
93
Total launched
39
Reentered
Oko launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Oko satellites.
| Manufacturer | NPOL/KOMET |
|---|---|
| Purpose | Early warning |
| Launch mass | 1250 kg |
| Dry mass | 1150 kg |
| Length | 4 m |
| Diameter | 2 m |
| Span | 5 m |
| Shape | Cyl + 2 Pan |
| Power | 2 deployable fixed solar arrays, batteries |
| Propulsion | Molniya DU |
| Typical orbit | 717 min period, 69° inclination |
Top operators
PVO 93
Top countries
SU 72 RU 21
Oko satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| COSMOS 2469 Kosmos-2469 | 37170 | 2010-049A | PVO | Sep 30, 2010 | 99 min, 63.6° | Reentered | ◉ |
| COSMOS 2446 Kosmos-2446 | 33447 | 2008-062A | PVO | Dec 2, 2008 | 97 min, 64.9° | Reentered | ◉ |
| COSMOS 2430 Kosmos-2430 | 32268 | 2007-049A | PVO | Oct 23, 2007 | 96 min, 61.8° | Reentered | ◉ |
| COSMOS 2422 Kosmos-2422 | 29260 | 2006-030A | PVO | Jul 21, 2006 | 94 min, 63.1° | Reentered | ◉ |
| COSMOS 2393 Kosmos-2393 | 27613 | 2002-059A | PVO | Dec 24, 2002 | 96 min, 63.9° | Reentered | ◉ |
| COSMOS 2388 Kosmos-2388 | 27409 | 2002-017A | PVO | Apr 1, 2002 | 88 min, 64.8° | Reentered | ◉ |
| COSMOS 2368 Kosmos-2368 | 26042 | 1999-073A | PVO | Dec 27, 1999 | 719 min, 66.8° | Inactive | ◉ |
| COSMOS 2351 Kosmos-2351 | 25327 | 1998-027A | PVO | May 7, 1998 | 718 min, 63.7° | Inactive | ◉ |
| COSMOS 2345 Kosmos-2345 | 24894 | 1997-041A | PVO | Aug 14, 1997 | 1435 min, 14.4° | Inactive | ◉ |
| COSMOS 2342 Kosmos-2342 | 24800 | 1997-022A | PVO | May 14, 1997 | 722 min, 67.6° | Inactive | ◉ |
| COSMOS 2340 Kosmos-2340 | 24761 | 1997-015A | PVO | Apr 9, 1997 | 717 min, 65.4° | Inactive | ◉ |
| COSMOS 2312 Kosmos-2312 | 23584 | 1995-026A | PVO | May 24, 1995 | 92 min, 62.0° | Reentered | ◉ |
| COSMOS 2286 Kosmos-2286 | 23194 | 1994-048A | PVO | Aug 5, 1994 | 717 min, 66.9° | Inactive | ◉ |
| COSMOS 2261 Kosmos-2261 | 22741 | 1993-051A | PVO | Aug 10, 1993 | 89 min, 61.1° | Reentered | ◉ |
| COSMOS 2241 Kosmos-2241 | 22594 | 1993-022A | PVO | Apr 6, 1993 | 88 min, 61.1° | Reentered | ◉ |
| COSMOS 2232 Kosmos-2232 | 22321 | 1993-006A | PVO | Jan 26, 1993 | 719 min, 67.2° | Inactive | ◉ |
| COSMOS 2222 Kosmos-2222 | 22238 | 1992-081A | PVO | Nov 25, 1992 | 92 min, 59.6° | Reentered | ◉ |
| COSMOS 2217 Kosmos-2217 | 22189 | 1992-069A | PVO | Oct 21, 1992 | 95 min, 61.8° | Reentered | ◉ |
| COSMOS 2209 Kosmos-2209 | 22112 | 1992-059A | PVO | Sep 10, 1992 | 1437 min, 13.6° | Inactive | ◉ |
| COSMOS 2196 Kosmos-2196 | 22017 | 1992-040A | PVO | Jul 8, 1992 | 93 min, 60.7° | Reentered | ◉ |
| COSMOS 2176 Kosmos-2176 | 21847 | 1992-003A | PVO | Jan 24, 1992 | 91 min, 62.0° | Reentered | ◉ |
| COSMOS 2155 Kosmos-2155 | 21702 | 1991-064A | PVO | Sep 13, 1991 | 1437 min, 13.1° | Inactive | ◉ |
| COSMOS 2105 Kosmos-2105 | 20941 | 1990-099A | PVO | Nov 20, 1990 | 95 min, 62.5° | Reentered | ◉ |
| COSMOS 2097 Kosmos-2097 | 20767 | 1990-076A | PVO | Aug 28, 1990 | 91 min, 60.4° | Reentered | ◉ |
| COSMOS 2087 Kosmos-2087 | 20707 | 1990-064A | PVO | Jul 25, 1990 | 718 min, 67.8° | Inactive | ◉ |
| COSMOS 2084 Kosmos-2084 | 20663 | 1990-055A | PVO | Jun 21, 1990 | 96 min, 62.8° | Inactive | ◉ |
| COSMOS 2076 Kosmos-2076 | 20596 | 1990-040A | PVO | Apr 28, 1990 | 717 min, 68.7° | Inactive | ◉ |
| COSMOS 2063 Kosmos-2063 | 20536 | 1990-026A | PVO | Mar 27, 1990 | 721 min, 66.7° | Inactive | ◉ |
| COSMOS 2050 Kosmos-2050 | 20330 | 1989-091A | PVO | Nov 23, 1989 | 718 min, 65.6° | Inactive | ◉ |
| COSMOS 2001 Kosmos-2001 | 19796 | 1989-011A | PVO | Feb 14, 1989 | 91 min, 61.7° | Reentered | ◉ |
| COSMOS 1977 Kosmos-1977 | 19608 | 1988-096A | PVO | Oct 25, 1988 | 718 min, 69.1° | Inactive | ◉ |
| COSMOS 1974 Kosmos-1974 | 19554 | 1988-092A | PVO | Oct 3, 1988 | 717 min, 70.1° | Inactive | ◉ |
| COSMOS 1966 Kosmos-1966 | 19445 | 1988-076A | PVO | Aug 30, 1988 | 89 min, 62.4° | Reentered | ◉ |
| COSMOS 1922 Kosmos-1922 | 18881 | 1988-013A | PVO | Feb 26, 1988 | 717 min, 68.8° | Inactive | ◉ |
| COSMOS 1903 Kosmos-1903 | 18701 | 1987-105A | PVO | Dec 21, 1987 | 717 min, 69.0° | Inactive | ◉ |
| COSMOS 1894 Kosmos-1894 | 18443 | 1987-091A | PVO | Oct 28, 1987 | 1437 min, 10.7° | Inactive | ◉ |
| COSMOS 1851 Kosmos-1851 | 18103 | 1987-050A | PVO | Jun 12, 1987 | 718 min, 70.9° | Inactive | ◉ |
| COSMOS 1849 Kosmos-1849 | 18083 | 1987-048A | PVO | Jun 4, 1987 | 93 min, 61.8° | Reentered | ◉ |
| COSMOS 1806 Kosmos-1806 | 17213 | 1986-098A | PVO | Dec 12, 1986 | 717 min, 68.6° | Inactive | ◉ |
| COSMOS 1793 Kosmos-1793 | 17134 | 1986-091A | PVO | Nov 20, 1986 | 91 min, 62.0° | Reentered | ◉ |
| COSMOS 1785 Kosmos-1785 | 17031 | 1986-078A | PVO | Oct 15, 1986 | 89 min, 61.6° | Reentered | ◉ |
| COSMOS 1783 Kosmos-1783 | 16993 | 1986-075A | PVO | Oct 3, 1986 | 89 min, 62.0° | Reentered | ◉ |
| COSMOS 1774 Kosmos-1774 | 16922 | 1986-065A | PVO | Aug 28, 1986 | 90 min, 60.4° | Reentered | ◉ |
| COSMOS 1761 Kosmos-1761 | 16849 | 1986-050A | PVO | Jul 5, 1986 | 719 min, 70.6° | Inactive | ◉ |
| COSMOS 1729 Kosmos-1729 | 16527 | 1986-011A | PVO | Feb 1, 1986 | 718 min, 70.9° | Inactive | ◉ |
| COSMOS 1701 Kosmos-1701 | 16235 | 1985-105A | PVO | Nov 9, 1985 | 91 min, 62.3° | Reentered | ◉ |
| COSMOS 1698 Kosmos-1698 | 16183 | 1985-098A | PVO | Oct 22, 1985 | 717 min, 71.4° | Inactive | ◉ |
| COSMOS 1687 Kosmos-1687 | 16103 | 1985-088A | PVO | Sep 30, 1985 | 717 min, 72.0° | Inactive | ◉ |
| COSMOS 1684 Kosmos-1684 | 16064 | 1985-084A | PVO | Sep 24, 1985 | 718 min, 67.7° | Inactive | ◉ |
| COSMOS 1675 Kosmos-1675 | 15952 | 1985-071A | PVO | Aug 12, 1985 | 458 min, 65.8° | Inactive | ◉ |
| COSMOS 1661 Kosmos-1661 | 15827 | 1985-049A | PVO | Jun 18, 1985 | 718 min, 67.8° | Inactive | ◉ |
| COSMOS 1658 Kosmos-1658 | 15808 | 1985-045A | PVO | Jun 11, 1985 | 91 min, 62.0° | Reentered | ◉ |
| COSMOS 1629 Kosmos-1629 | 15574 | 1985-016A | PVO | Feb 21, 1985 | 1435 min, 9.1° | Inactive | ◉ |
| COSMOS 1604 Kosmos-1604 | 15350 | 1984-107A | PVO | Oct 4, 1984 | 717 min, 72.5° | Inactive | ◉ |
| COSMOS 1596 Kosmos-1596 | 15267 | 1984-096A | PVO | Sep 7, 1984 | 717 min, 65.9° | Inactive | ◉ |
| COSMOS 1586 Kosmos-1586 | 15147 | 1984-079A | PVO | Aug 2, 1984 | 97 min, 61.1° | Reentered | ◉ |
| COSMOS 1581 Kosmos-1581 | 15095 | 1984-071A | PVO | Jul 3, 1984 | 721 min, 67.5° | Inactive | ◉ |
| COSMOS 1569 Kosmos-1569 | 15027 | 1984-055A | PVO | Jun 6, 1984 | 87 min, 62.2° | Reentered | ◉ |
| COSMOS 1547 Kosmos-1547 | 14884 | 1984-033A | PVO | Apr 4, 1984 | 719 min, 72.7° | Inactive | ◉ |
| COSMOS 1546 Kosmos-1546 | 14867 | 1984-031A | PVO | Mar 29, 1984 | 1436 min, 8.6° | Inactive | ◉ |
| COSMOS 1541 Kosmos-1541 | 14790 | 1984-024A | PVO | Mar 6, 1984 | 718 min, 71.7° | Inactive | ◉ |
| COSMOS 1518 Kosmos-1518 | 14587 | 1983-126A | PVO | Dec 28, 1983 | 93 min, 62.3° | Reentered | ◉ |
| COSMOS 1481 Kosmos-1481 | 14182 | 1983-070A | PVO | Jul 8, 1983 | 707 min, 70.5° | Inactive | ◉ |
| COSMOS 1456 Kosmos-1456 | 14034 | 1983-038A | PVO | Apr 25, 1983 | 96 min, 62.0° | Reentered | ◉ |
| COSMOS 1409 Kosmos-1409 | 13585 | 1982-095A | PVO | Sep 22, 1982 | 90 min, 60.6° | Reentered | ◉ |
| COSMOS 1382 Kosmos-1382 | 13295 | 1982-064A | PVO | Jun 25, 1982 | 719 min, 62.2° | Inactive | ◉ |
| COSMOS 1367 Kosmos-1367 | 13205 | 1982-045A | PVO | May 20, 1982 | 718 min, 72.0° | Inactive | ◉ |
| COSMOS 1348 Kosmos-1348 | 13124 | 1982-029A | PVO | Apr 7, 1982 | 719 min, 71.8° | Inactive | ◉ |
| COSMOS 1341 Kosmos-1341 | 13080 | 1982-016A | PVO | Mar 3, 1982 | 717 min, 72.0° | Inactive | ◉ |
| COSMOS 1317 Kosmos-1317 | 12933 | 1981-108A | PVO | Oct 31, 1981 | 719 min, 71.5° | Inactive | ◉ |
| COSMOS 1285 Kosmos-1285 | 12627 | 1981-071A | PVO | Aug 4, 1981 | 727 min, 68.7° | Inactive | ◉ |
| COSMOS 1278 Kosmos-1278 | 12547 | 1981-058A | PVO | Jun 19, 1981 | 89 min, 62.7° | Reentered | ◉ |
| COSMOS 1261 Kosmos-1261 | 12376 | 1981-031A | PVO | Mar 31, 1981 | 717 min, 68.9° | Inactive | ◉ |
| COSMOS 1247 Kosmos-1247 | 12303 | 1981-016A | PVO | Feb 19, 1981 | 711 min, 69.3° | Inactive | ◉ |
| COSMOS 1223 Kosmos-1223 | 12078 | 1980-095A | PVO | Nov 27, 1980 | 718 min, 73.4° | Inactive | ◉ |
| COSMOS 1217 Kosmos-1217 | 12032 | 1980-085A | PVO | Oct 24, 1980 | 716 min, 70.2° | Inactive | ◉ |
| COSMOS 1191 Kosmos-1191 | 11871 | 1980-057A | PVO | Jul 2, 1980 | 717 min, 66.0° | Inactive | ◉ |
| COSMOS 1188 Kosmos-1188 | 11844 | 1980-050A | PVO | Jun 14, 1980 | 95 min, 62.1° | Reentered | ◉ |
| COSMOS 1172 Kosmos-1172 | 11758 | 1980-028A | PVO | Apr 12, 1980 | 92 min, 61.7° | Reentered | ◉ |
| COSMOS 1164 Kosmos-1164 | 11700 | 1980-013A | PVO | Feb 12, 1980 | 737 min, 62.8° | Reentered | ◉ |
| COSMOS 1124 Kosmos-1124 | 11509 | 1979-077A | PVO | Aug 28, 1979 | 93 min, 62.1° | Reentered | ◉ |
| COSMOS 1109 Kosmos-1109 | 11417 | 1979-058A | PVO | Jun 27, 1979 | 715 min, 70.7° | Inactive | ◉ |
| COSMOS 1030 Kosmos-1030 | 11015 | 1978-083A | PVO | Sep 6, 1978 | 88 min, 61.6° | Reentered | ◉ |
| COSMOS 1024 Kosmos-1024 | 10970 | 1978-066A | PVO | Jun 28, 1978 | 91 min, 61.7° | Reentered | ◉ |
| COSMOS 931 Kosmos-931 | 10150 | 1977-068A | PVO | Jul 20, 1977 | 717 min, 71.0° | Inactive | ◉ |
| COSMOS 917 Kosmos-917 | 10059 | 1977-047A | PVO | Jun 16, 1977 | 92 min, 61.8° | Reentered | ◉ |
| COSMOS 903 Kosmos-903 | 09911 | 1977-027A | PVO | Apr 11, 1977 | 96 min, 62.3° | Reentered | ◉ |
| COSMOS 862 Kosmos-862 | 09495 | 1976-105A | PVO | Oct 22, 1976 | 718 min, 70.5° | Inactive | ◉ |
| COSMOS 775 Kosmos-775 | 08357 | 1975-097A | PVO | Oct 8, 1975 | 1436 min, 2.3° | Inactive | ◉ |
| COSMOS 706 Kosmos-706 | 07625 | 1975-007A | PVO | Jan 30, 1975 | 718 min, 63.9° | Inactive | ◉ |
| COSMOS 665 Kosmos-665 | 07352 | 1974-050A | PVO | Jun 29, 1974 | 711 min, 61.9° | Reentered | ◉ |
| COSMOS 606 Kosmos-606 | 06916 | 1973-084A | PVO | Nov 2, 1973 | 718 min, 73.0° | Inactive | ◉ |
| COSMOS 520 Kosmos-520 | 06192 | 1972-072A | PVO | Sep 19, 1972 | 715 min, 71.8° | Inactive | ◉ |
Frequently asked questions
How many Oko satellites are there?
The catalog lists 93 objects built on the Oko bus. 54 are in orbit and 39 have reentered.
How many Oko satellites are in orbit?
54 Oko objects are currently in orbit, of which 0 carry an active status.
Who builds the Oko bus?
The Oko bus is most commonly built by NPOL/KOMET.
When did the first Oko satellite launch?
The first cataloged Oko satellite launched in 1972, and the most recent in 2010.