Engineering:Progress 31

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Progress 31
Progress drawing.svg
A Progress 7K-TG spacecraft
Mission typeMir resupply
COSPAR ID1987-066A
SATCAT no.18283[1]
Spacecraft properties
SpacecraftProgress (No.138)
Spacecraft typeProgress 7K-TG[2]
ManufacturerNPO Energia
Start of mission
Launch date3 August 1987, 20:44:11 UTC[1]
RocketSoyuz-U2[2]
Launch siteBaikonur, Site 1/5
End of mission
DisposalDeorbited
Decay date23 September 1987, 00:22:00 UTC[3]
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude187 km[3]
Apogee altitude250 km[3]
Inclination51.6°[3]
Period88.9 minutes[3]
Epoch3 August 1987
Docking with Mir
Docking portKvant-1 aft[3]
Docking date5 August 1987, 22:27:35 UTC
Undocking date21 September 1987, 23:57:41 UTC
 

Progress 31 (Russian: Прогресс 31) was a Soviet uncrewed Progress cargo spacecraft, which was launched in August 1987 to resupply the Mir space station.

Launch

Progress 31 launched on 3 August 1987 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.[2][4]

Docking

Progress 31 docked with the aft port of the Kvant-1 module of Mir on 5 August 1987 at 22:27:35 UTC, and was undocked on 21 September 1987 at 23:57:41 UTC.[3][5]

Decay

It remained in orbit until 23 September 1987, when it was deorbited. The deorbit burn occurred at 00:22:00 UTC and the mission ended at 01:02 UTC.[3][5]

See also

References