December 18, 1973 11:55 am
Soyuz 13
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Soyuz
Baikonur Cosmodrome, Republic of Kazakhstan
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Last Updated:
2026-07-13 11:05:23
Soyuz 13 launched on 18 December 1973, 11:55:00 UTC. It carried commander Pyotr Klimuk and flight engineer Valentin Lebedev into orbit. This mission was the second test flight of the modified Soyuz spacecraft. Crew spent 7 deays in orbit and carried out various astrophysical studies. They also obtained ultraviolet spectrograms of stars with the help of an Orion 2 Space Observatory onboard the spacecraft. Crew returned to Earth, landing on 26 December 1973, 08:50:35 UTC.
Launch Overview
Window Open
11:55 UTC
Window Close
11:55 UTC
Lift Off
Dec 18, 1973 · 11:55 UTC
Launch Facility
Baikonur Cosmodrome, Republic of Kazakhstan
Launch Pad
1/5
Target Orbit
Low Earth Orbit
Payload Overview
Customer
Soviet Space Program
Payload
Soyuz 13
Rocket
Soyuz
Destination
Low Earth Orbit
Recovery Overview
Landing Location
See Mission Notes
Landing Type
RTLS / Droneship
Soyuz 13 launched on 18 December 1973, 11:55:00 UTC. It carried commander Pyotr Klimuk and flight engineer Valentin Lebedev into orbit. This mission was the second test flight of the modified Soyuz spacecraft. Crew spent 7 deays in orbit and carried out various astrophysical studies. They also obtained ultraviolet spectrograms of stars with the help of an Orion 2 Space Observatory onboard the spacecraft. Crew returned to Earth, landing on 26 December 1973, 08:50:35 UTC.
Height
LEO Payload
Total Launches
Status
Soviet Space Program
1/5
Launch Overview
Window Open
11:55 UTC
Window Close
11:55 UTC
Lift Off
Dec 18, 1973 · 11:55 UTC
Launch Facility
Baikonur Cosmodrome, Republic of Kazakhstan
Launch Pad
1/5
Target Orbit
Low Earth Orbit
Payload Overview
Customer
Soviet Space Program
Payload
Soyuz 13
Rocket
Soyuz
Destination
Low Earth Orbit
Recovery Overview
Landing Location
See Mission Notes
Landing Type
RTLS / Droneship
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