Soyuz 20

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Soyuz 20
Mission statistics
Mission name Soyuz 20
Crew size 0
Call sign ?
Launch date November 17, 1975
14:38:00 UTC
Gagarin's Start
Landing February 16, 1976
02:24:00 UTC
56 kilometres south-west of Arkalyk
Mission duration 90d/11:46
Number of orbits 1470
Related missions
Previous mission Next mission
Apollo-Soyuz Test Project Soyuz 21

[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.