Progress M-31
A Progress-M spacecraft
Mission typeMir resupply
COSPAR ID1996-028A Edit this at Wikidata
SATCAT no.23860[1]
Spacecraft properties
SpacecraftProgress (No.231)
Spacecraft typeProgress-M[2]
ManufacturerRKK Energia
Start of mission
Launch date5 May 1996, 07:04:18 UTC[1]
Launch siteBaikonur, Site 1/5
End of mission
Decay date1 August 1996, 20:33:03 UTC[3]
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude186 km[4]
Apogee altitude227 km[4]
Period88.6 minutes[4]
Epoch5 May 1996
Docking with Mir
Docking portMir Core Module forward[4]
Docking date7 May 1996, 08:54:19 UTC
Undocking date1 August 1996, 16:44:54 UTC

Progress M-31 (Russian: Прогресс M-31) was a Russian unmanned Progress cargo spacecraft, which was launched in May 1996 to resupply the Mir space station.


Progress M-31 launched on 5 May 1996 from the Baikonur Cosmodrome in Kazakhstan. It used a Soyuz-U rocket.[2][5]


Progress M-31 docked with the forward port of the Mir Core Module on 7 May 1996 at 08:54:19 UTC, and was undocked on 1 August 1996 at 16:44:54 UTC.[3][4]


It remained in orbit until 1 August 1996, when it was deorbited. The deorbit burn occurred at 19:44:30 UTC and the mission ended at 20:33:03 UTC.[3][4]

See also


  1. ^ a b "Launchlog". Jonathan's Space Report. Retrieved 2 December 2020.
  2. ^ a b c "Progress-M 1 - 13, 15 - 37, 39 - 67 (11F615A55, 7KTGM)". Gunter's Space Page. Retrieved 2 December 2020.
  3. ^ a b c "Mir". Astronautix. Archived from the original on 20 August 2016. Retrieved 2 December 2020.
  4. ^ a b c d e f g "Cargo spacecraft "Progress M-31"". Manned Astronautics figures and facts. Archived from the original on 9 October 2007.
  5. ^ "Progress M-31". NASA. Retrieved 2 December 2020. Public Domain This article incorporates text from this source, which is in the public domain.