Kosmos 1247

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Kosmos 1247
Mission type Early warning
COSPAR ID 1981-016A
SATCAT № 12303
Mission duration 4 years [1]
Spacecraft properties
Spacecraft type US-K [2]
Launch mass 1,900 kilograms (4,200 lb)
Start of mission
Launch date 19 February 1981, 10:00 (1981-02-19UTC10Z) UTC
Rocket Molniya-M/2BL[2]
Launch site Plesetsk Cosmodrome[2][3]
End of mission
Deactivated 20 October 1981[1]
Orbital parameters
Reference system Geocentric
Regime Molniya [2]
Perigee 648 kilometres (403 mi)[4]
Apogee 39,708 kilometres (24,673 mi)[4]
Inclination 62.9 degrees[4]
Period 717.82 minutes[4]

Kosmos 1247 (Russian: Космос 1247 meaning Cosmos 1247) was a Soviet US-K missile early warning satellite which was launched in 1981 as part of the Soviet military's Oko programme. The satellite was designed to identify missile launches using optical telescopes and infrared sensors.[2]

Kosmos 1247 was launched from Site 16/2 at Plesetsk Cosmodrome in the Russian SSR.[3] A Molniya-M carrier rocket with a 2BL upper stage was used to perform the launch, which took place at 10:00 UTC on 19 February 1981.[3] The launch successfully placed the satellite into a molniya orbit. It subsequently received its Kosmos designation, and the international designator 1981-016A.[4] The United States Space Command assigned it the Satellite Catalog Number 12303.[4]

It self-destructed.[1]

See also[edit]


References[edit]

  1. ^ a b c 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. ^ a b c d e "US-K (73D6)". Gunter's Space Page. 2012-03-08. Retrieved 2012-04-21. 
  3. ^ a b c McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2 May 2012. 
  4. ^ a b c d e f McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 30 April 2012.