Progress M-21
A Progress-M spacecraft
Mission typeMir resupply
COSPAR ID1994-005A
SATCAT no.22975[1]
Spacecraft properties
SpacecraftProgress (No.221)
Spacecraft typeProgress-M[2]
ManufacturerRKK Energia
Start of mission
Launch date28 January 1994, 02:12:10 UTC[1]
Launch siteBaikonur, Site 1/5
End of mission
Decay date23 March 1994, 05:13 UTC[3]
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude194 km[3]
Apogee altitude236 km[3]
Period88.5 minutes[3]
Epoch28 January 1994
Docking with Mir
Docking portKvant-1 aft[3]
Docking date30 January 1994, 03:56:13 UTC
Undocking date23 March 1994, 01:20:29 UTC

Progress M-21 (Russian: Прогресс M-21) was a Russian unmanned Progress cargo spacecraft, which was launched in January 1994 to resupply the Mir space station.


Progress M-21 launched on 28 January 1994 from the Baikonur Cosmodrome in Kazakhstan. It used a Soyuz-U rocket.[2]


Progress M-21 docked with the aft port of the Kvant-1 module of Mir on 30 January 1994 at 03:56:13 UTC, and was undocked on 23 March 1994 at 01:20:29 UTC.[3][4][5]


It remained in orbit until 23 March 1994, when it was deorbited. The deorbit burn occurred at 04:23 UTC, and the mission ended at 05:13 UTC.[3]

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 d e f g h "Cargo spacecraft "Progress M-21"". Manned Astronautics figures and facts. Archived from the original on 9 October 2007.
  4. ^ "Progress M-21". NASA. Retrieved 2 December 2020. Public Domain This article incorporates text from this source, which is in the public domain.
  5. ^ "Mir". Astronautix. Retrieved 2 December 2020.