Kosmos 1001 ( meaning Cosmos 1001) was a redesigned Soviet Soyuz T spacecraft that was flown on an unmanned test in 1978. The spacecraft was the upgraded Soyuz for Salyut 6 and Salyut 7. This Kosmos flight, launched from Baikonur, was the first orbital flight of the Soyuz T design. Several maneuvers were tested, however it failed to achieve all of its objectives and resulted in an early deorbit and landing

Mission parameters

• Spacecraft: Soyuz 7K-ST

• Mass: 6680kg.

• Crew: None.

• Launched: April 4, 1978.

• Landed: April 15, 1978.

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