Soyuz 20
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| Soyuz 20 | |||||
| Mission statistics | |||||
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| Mission name | Soyuz 20 | ||||
| Crew size | 0 | ||||
| Call sign | ? | ||||
| Launch date | November 17, 1975 14:38:00 UTC Gagarin's Start |
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| Landing | February 16, 1976 02:24:00 UTC 56 kilometres south-west of Arkalyk |
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| Mission duration | 90d/11:46 | ||||
| Number of orbits | 1470 | ||||
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[edit] Crew
None
[edit] Mission parameters
- Mass: 6570 kg (14,480 lb)
- Perigee: 177 km (110 mi)
- Apogee: 251 km (156 mi)
- Inclination: 51.6°
- Period: 89.1 minutes
Soyuz 20 was an unmanned spacecraft launched by the USSR. It was a long duration test of the Soyuz transport vehicle that docked with the Salyut 4 space station. It was recovered on February 16, 1976 2:24 GMT. Soyuz 20 performed comprehensive checking of improved on-board systems of the spacecraft under various flight conditions. It also carried a biological payload. Living organisms were exposed to three months in space.
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