Kosmos 307
| Mission type | ABM radar target |
|---|---|
| COSPAR ID | 1969-094A |
| SATCAT no. | 04184 |
| Spacecraft properties | |
| Spacecraft type | DS-P1-Yu |
| Manufacturer | Yuzhnoye |
| Launch mass | 250 kilograms (550 lb) |
| Start of mission | |
| Launch date | 24 October 1969, 13:01:58 UTC |
| Rocket | Kosmos-2I 63SM |
| Launch site | Kapustin Yar 86/4 |
| End of mission | |
| Decay date | 30 December 1970 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 212 kilometres (132 mi) |
| Apogee altitude | 2,023 kilometres (1,257 mi) |
| Inclination | 48.4 degrees |
| Period | 107.7 minutes |
Kosmos 307 (Russian: Космос 307 meaning Cosmos 307), known before launch as DS-P1-Yu No.22, was a Soviet satellite launched in 1969 as part of the Dnepropetrovsk Sputnik programme. It was a 250-kilogram (550 lb) spacecraft, which was built by the Yuzhnoye Design Bureau, and was used as a radar calibration target for anti-ballistic missile tests.