Kosmos 1074

Kosmos 1074 (Космос 1074 meaning Cosmos 1074) was a Soviet unmanned long-duration test flight of the Soyuz-T spacecraft launched on January 31, 1979 and de-orbited on April 1, 1979. It is the last Soyuz spacecraft that has received a Kosmos designation, and its mission is officially intended to investigate the upper atmosphere and outer space

Mission parameters

 * Spacecraft: Soyuz 7K-ST
 * Mass: 6450 kg
 * Crew: None
 * Launched: January 31, 1979
 * Landed: April 1, 1979