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 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
- 1981 in spaceflight
- List of Kosmos satellites (1251–1500)
- List of Oko satellites
- List of R-7 launches (1980-1984)
References
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