Soyuz_20

Soyuz 20

Soyuz 20

Uncrewed flight of the Soyuz programme

Soyuz 20 (Russian: Союз 20, Union 20) was an uncrewed spacecraft launched by the Soviet Union. It was a long-duration test of the Soyuz spacecraft that docked with the Salyut 4 space station. 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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Mission parameters

  • Mass: 6,570 kg (14,480 lb) [1]
  • Perigee: 199.7 km (124.1 mi)[3]
  • Apogee: 263.5 km (163.7 mi)
  • Inclination: 51.6°
  • Period: 88.8 minutes

Return

It was recovered on 16 February 1976 at 02:24 UTC.[1]

References

  1. [1]
    "Display: Soyuz 20 1975-106A". NASA. 14 May 2020. Retrieved 13 October 2020. Public Domain This article incorporates text from this source, which is in the public domain.
  2. [2]
    "Baikonur LC1". Encyclopedia Astronautica. Archived from the original on 15 April 2009. Retrieved 4 March 2009.
  3. [3]
    "Trajectory: Soyuz 20 1975-106A". NASA. 14 May 2020. Retrieved 13 October 2020. Public Domain This article incorporates text from this source, which is in the public domain.
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