Soyuz U | Soyuz 20
Launch Successful
L - -- : -- : -- : --
Instantaneous launch window.
Launch Window
Nov. 17, 1975, 2:36 p.m. - Nov. 17, 1975, 2:36 p.m.
Instantaneous launch window.
Nov. 17, 1975, 2:36 p.m. - Nov. 17, 1975, 2:36 p.m.
Soyuz 20 (Russian: Союз 20, Union 20) was an unmanned 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. It was reentered on 16 February 1976.
Soyuz DetailsThe Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.
INFO WIKIQZSS (Quasi Zenith Satellite System) is a Japanese satellite navigation system operating from inclined, elliptical geosynchronous orbits to achieve o…
Chinese communication geostationary satellite for unknown purposes.
A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Synthetic aperture radar Earth observation satellite for Japanese Earth imaging company iQPS.
AST SpaceMobile’s Block 2 BlueBird satellites are designed to deliver up to 10 times the bandwidth capacity of the BlueBird Block 1 satellites, requi…
2 hyper-spectral Earth observation satellites from Chinese company STAR.VISION. Both satellites are built in corporation with foreign customers: *…
A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
A batch of 9 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group.…
A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Classified payload for the US National Reconnaissance Office.