Progress 12

Progress 12 (Russian: Прогресс 12) was a Soviet unmanned Progress cargo spacecraft, which was launched in January 1981 to resupply the Salyut 6 space station.

Progress 12

A Progress 7K-TG spacecraft
Mission type	Salyut 6 resupply
COSPAR ID	1981-007A
SATCAT no.	12152[1]
Spacecraft properties
Spacecraft	Progress (No.113)
Spacecraft type	Progress 7K-TG[2]
Manufacturer	NPO Energia
Start of mission
Launch date	24 January 1981, 14:18:02 UTC[1]
Rocket	Soyuz-U[2]
Launch site	Baikonur, Site 1/5
End of mission
Disposal	Deorbited
Decay date	20 March 1981, 16:59 UTC[3]
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	247 km[3]
Apogee altitude	308 km[3]
Inclination	51.7°[3]
Period	90.0 minutes[3]
Epoch	24 January 1981
Docking with Salyut 6
Docking port	Aft[3]
Docking date	26 January 1981, 15:56 UTC
Undocking date	19 March 1981, 18:14 UTC
Progress (spacecraft)

Launch

Progress 12 launched on 24 January 1981 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U rocket.[2][4]

Docking

Progress 12 docked with the aft port of Salyut 6 on 26 January 1981 at 15:56 UTC, and was undocked on 19 March 1981 at 18:14 UTC.[3][5]

Decay

It remained in orbit until 20 March 1981, when it was deorbited. The deorbit burn occurred at 16:59 UTC.[3][5]

See also

• 1981 in spaceflight
• List of Progress missions
• List of uncrewed spaceflights to Salyut space stations

References

1. "Launchlog". Jonathan's Space Report. Retrieved 5 December 2020.
2. "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 5 December 2020.
3. "Cargo spacecraft "Progress 12"". Manned Astronautics figures and facts. Archived from the original on 10 September 2007.
4. "Progress 12". NASA. Retrieved 5 December 2020. This article incorporates text from this source, which is in the public domain.
5. "Salyut 6". Astronautix. Retrieved 5 December 2020.