Soyuz 31

Soyuz 31
Mission Statistics
Mission Name:Soyuz 31
Call Sign:Yastreb (Hawk)
Number of Crew Members:2
Launch:August 26, 1978
14:51:30 UTC
Baikonur LC1
Landing:November 2, 1978
11:04:17 UTC
140 km SE of Dzhezkazgan
Duration:67 days 20 hours 12 minutes 47 seconds
Number of
Orbits:
124

Crew

Launched

Landed

(1) number of spaceflights each crew member has completed, including this mission.

Mission Parameters

  • Mass: 6800 kg
  • Perigee: 196.8 km
  • Apogee: 259.9 km
  • Inclination: 51.64°
  • Period: 88.81 minutes

Mission Highlights

Docked with Salyut 6. Crew returned in Soyuz 29; crew duration 7 days, 20 hrs., 49 min. Jähn was first German Democratic Republic cosmonaut to orbit. Carried first German spacetraveler, paired with veteran cosmonaut Bykovski (he flew solo in Vostok 5, June, 1963). After the Yastreb crew departed from Salyut 6 in Soyuz 29 on September 3, the Foton crew transferred the Soyuz 32 to the Salyut 6 front port. Moving a replacement Soyuz to the front port became standard procedure; it freed the aft port for Progress supply ships.


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