Kosmos 4
A Zenit reentry capsule  | |
| Names | Zenit 2-2 Sputnik 14  | 
|---|---|
| Mission type | Optical imaging reconnaissance | 
| Operator | OKB-1 | 
| Harvard designation | 1962 Xi 1 | 
| COSPAR ID | 1962-014A | 
| SATCAT no. | 287 | 
| Mission duration | 3 days (4 days planned) | 
| Spacecraft properties | |
| Spacecraft type | Zenit-2 | 
| Manufacturer | OKB-1 | 
| Launch mass | 4610 kg | 
| Start of mission | |
| Launch date | 26 April 1962, 10:02:00 GMT | 
| Rocket | Vostok-K | 
| Launch site | Baikonur 1/5 | 
| Contractor | OKB-1 | 
| End of mission | |
| Disposal | Recovered | 
| Landing date | 29 April 1962 | 
| Landing site | Steppe in Kazakhstan | 
| Orbital parameters | |
| Reference system | Geocentric orbit | 
| Regime | Low Earth orbit | 
| Perigee altitude | 285 km | 
| Apogee altitude | 317 km | 
| Inclination | 65.0° | 
| Period | 90.60 minutes | 
Zenit programme  Zenit-2  | |
Kosmos 4 (Russian: Космос 4 meaning Kosmos 4), also known as Zenit-2 No.2 and occasionally in the West as Sputnik 14 was the first Soviet reconnaissance satellite to successfully reach orbit.