Soyuz 20
Appearance
Mission type | Test flight |
---|---|
Operator | Soviet space program |
COSPAR ID | 1975-106A |
SATCATno. | 08430 |
Mission duration | 90 days 11 hours 47 minutes |
Orbits completed | 1470 |
Spacecraft properties | |
Spacecraft | Soyuz 7K-T No.8 |
Spacecraft type | Soyuz 7K-T/A9 |
Manufacturer | NPO Energia |
Launch mass | 6570 kg[1] |
Landing mass | 2800 kg |
Dimensions | 7.13 m long 2.72 m wide |
Start of mission | |
Launch date | 17 November 1975, 14:36:37UTC |
Rocket | Soyuz-U |
Launch site | Baikonur,Site 1/5[2] |
End of mission | |
Landing date | 16 February 1976, 02:24 UTC |
Landing site | 56 km at the southwest ofArkalyk,Kazakhstan |
Orbital parameters | |
Reference system | Geocentric orbit[3] |
Regime | Low Earth orbit |
Perigee altitude | 199.7 km |
Apogee altitude | 263.5 km |
Inclination | 51.6° |
Period | 88.8 minutes |
Docking withSalyut 4 | |
Soyuz 20(Russian:Союз 20,Union 20) was an uncrewed spacecraft launched by theSoviet Union.It was a long-duration test of theSoyuz spacecraftthat docked with theSalyut 4space 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.
Mission parameters
[edit]- 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
[edit]It was recovered on 16 February 1976 at 02:24 UTC.[1]
References
[edit]- ^abc"Display: Soyuz 20 1975-106A".NASA. 14 May 2020.Retrieved13 October2020.
This article incorporates text from this source, which is in thepublic domain.
- ^"Baikonur LC1".Encyclopedia Astronautica. Archived fromthe originalon 15 April 2009.Retrieved4 March2009.
- ^ab"Trajectory: Soyuz 20 1975-106A".NASA. 14 May 2020.Retrieved13 October2020.
This article incorporates text from this source, which is in thepublic domain.