A Zenit reentry capsule
| |
| Names | Zenit 2-21 |
|---|---|
| Mission type | Optical imaging reconnaissance |
| Operator | OKB-1 |
| COSPAR ID | 1964-044A  |
| SATCAT no. | 848 |
| Mission duration | 8 days |
| Spacecraft properties | |
| Spacecraft type | Zenit-2 |
| Manufacturer | OKB-1 |
| Launch mass | 4730 kg[1] |
| Start of mission | |
| Launch date | 14 August 1964, 09:36:00 GMT |
| Rocket | Vostok-2 |
| Launch site | Baikonur 31/6 |
| Contractor | OKB-1 |
| End of mission | |
| Disposal | Recovered |
| Landing date | 22 August 1964 |
| Orbital parameters | |
| Reference system | Geocentric[2] |
| Regime | Low Earth |
| Perigee altitude | 207 km |
| Apogee altitude | 287 km |
| Inclination | 65.0° |
| Period | 89.5 minutes |
| Epoch | 14 August 1964 |
Zenit programme
Zenit-2 | |
Kosmos 37 (Russian: Космос 37 meaning Cosmos 37) or Zenit-2 No.21 was a Soviet, first generation, low resolution, optical film-return reconnaissance satellite launched in 1964. A Zenit-2 spacecraft, Kosmos 37 was the twentieth of eighty-one such satellites to be launched[3] and had a mass of 4,730 kilograms (10,430 lb).
Kosmos 37 was launched by a Vostok-2 rocket, serial number R15001-04,[4] flying from Site 31/6 at the Baikonur Cosmodrome. The launch took place at 09:36 GMT on 14 August 1964,[5] and following its successful arrival in orbit the spacecraft received its Kosmos designation, along with the International Designator 1964-044A and the Satellite Catalog Number 00848.
Kosmos 37 was operated in a low Earth orbit, it had a perigee of 207 kilometres (129 mi), an apogee of 287 kilometres (178 mi), inclination of 65.0° and an orbital period of 89.5 minutes.[6] During the mission one of the satellite's film reels snapped, resulting in the associated camera only taking some of the images it had been programmed to produce.[7] The mission has been partially complete because there was a break in the film of the SA-10 camera.[8] On 22 August 1964, after eight days in orbit, Kosmos 37 was deorbited with its return capsule descending by parachute for recovery by Soviet forces.[9]
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