Mission type | ABM radar target |
---|---|
COSPAR ID | 1969-102A |
SATCAT no. | 04252 |
Spacecraft properties | |
Spacecraft type | DS-P1-Yu |
Manufacturer | Yuzhnoye |
Launch mass | 325 kilograms (717 lb) |
Start of mission | |
Launch date | 24 November 1969, 11:00:04 | UTC
Rocket | Kosmos-2I 63SM |
Launch site | Plesetsk 133/1 |
End of mission | |
Decay date | 10 March 1970 |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth |
Perigee altitude | 263 kilometres (163 mi) |
Apogee altitude | 438 kilometres (272 mi) |
Inclination | 71 degrees |
Period | 91.5 minutes |
Kosmos 311 (Russian: Космос 311 meaning Cosmos 311), known before launch as DS-P1-Yu No.27, was a Soviet satellite which was launched in 1969 as part of the Dnepropetrovsk Sputnik programme. It was a 325-kilogram (717 lb) spacecraft, which was built by the Yuzhnoye Design Bureau, and was used as a radar calibration target for anti-ballistic missile tests.[1]