Kosmos 2105

Kosmos 2105
Mission type Early warning
COSPAR ID 1990-099A
SATCAT № 20941
Mission duration 4 years [1]
Spacecraft properties
Spacecraft type US-K [2]
Launch mass 1,900 kilograms (4,200 lb)[3]
Start of mission
Launch date 20 November 1990, 02:33 (1990-11-20UTC02:33Z) UTC
Rocket Molniya-M/2BL[2]
Launch site Plesetsk Cosmodrome[2][3]
End of mission
Decay date 21 January 2008 (2008-01-22)[4]
Orbital parameters
Reference system Geocentric
Regime Molniya [2]
Perigee 594 kilometres (369 mi)[4]
Apogee 39,751 kilometres (24,700 mi)[4]
Inclination 63.2 degrees[4]
Period 717.60 minutes[4]

Kosmos 2105 (Russian: Космос 2105 meaning Cosmos 2105) is a Russian US-K missile early warning satellite which was launched in 1990 as part of the Russian Space Forces' Oko programme. The satellite is designed to identify missile launches using optical telescopes and infrared sensors.[2]

Kosmos 2105 was launched from Site 16/2 at Plesetsk Cosmodrome in Russia.[5] A Molniya-M carrier rocket with a 2BL upper stage was used to perform the launch, which took place at 02:33 UTC on 20 November 1990.[3] The launch successfully placed the satellite into a molniya orbit. It subsequently received its Kosmos designation, and the international designator 1990-099A.[3] The United States Space Command assigned it the Satellite Catalog Number 20941.[3]

It re-entered the Earth's atmosphere on 21 January 2008.[4]

References

  1. Podvig, Pavel (2002). "History and the Current Status of the Russian Early-Warning System" (pdf). Science and Global Security 10: 21–60. doi:10.1080/08929880212328. ISSN 0892-9882.
  2. 1 2 3 4 5 "US-K (73D6)". Gunter's Space Page. 2012-03-08. Retrieved 2012-04-21.
  3. 1 2 3 4 5 "Cosmos 2105". National Space Science Data Centre. 2012-04-20. Retrieved 2012-04-25.
  4. 1 2 3 4 5 6 McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 30 April 2012.
  5. McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2 May 2012.

See also

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