Kosmos 393
| Mission type | ABM radar target |
|---|---|
| COSPAR ID | 1971-007A |
| SATCAT no. | 04884 |
| Spacecraft properties | |
| Spacecraft type | DS-P1-Yu |
| Manufacturer | Yuzhnoye |
| Launch mass | 325 kilograms (717 lb) |
| Start of mission | |
| Launch date | 26 January 1971, 12:44:33 UTC |
| Rocket | Kosmos-2I 63SM |
| Launch site | Plesetsk 133/1 |
| End of mission | |
| Decay date | 16 June 1971 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 263 kilometres (163 mi) |
| Apogee altitude | 451 kilometres (280 mi) |
| Inclination | 71 degrees |
| Period | 91.7 minutes |
Kosmos 393 (Russian: Космос 393 meaning Cosmos 393), known before launch as DS-P1-Yu No.34, was a Soviet satellite which was launched in 1971 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.