Progress 11

Progress 11 (Russian: Прогресс 11) was a Soviet unmanned Progress cargo spacecraft, which was launched in September 1980 to resupply the Salyut 6 space station.

Progress 11

A Progress 7K-TG spacecraft
Mission type	Salyut 6 resupply
COSPAR ID	1980-079A
SATCAT no.	11993[1]
Spacecraft properties
Spacecraft	Progress (No.111)
Spacecraft type	Progress 7K-TG[2]
Manufacturer	NPO Energia
Start of mission
Launch date	28 September 1980, 15:09:55 UTC[1]
Rocket	Soyuz-U[2]
Launch site	Baikonur, Site 1/5
End of mission
Disposal	Deorbited
Decay date	11 December 1980, 14:00 UTC[3]
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	188 km[3]
Apogee altitude	241 km[3]
Inclination	51.6°[3]
Period	88.7 minutes[3]
Epoch	28 September 1980
Docking with Salyut 6
Docking port	Aft[3]
Docking date	30 September 1980, 17:03 UTC
Undocking date	9 December 1980, 10:23 UTC
Progress (spacecraft)

Launch

Progress 11 launched on 28 September 1980 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U rocket.[2][4]

Docking

Progress 11 docked with the aft port of Salyut 6 on 30 September 1980 at 17:03 UTC, and was undocked on 9 December 1980 at 10:23 UTC.[3][5]

Decay

It remained in orbit until 11 December 1980, when it was deorbited. The deorbit burn occurred at 14:00 UTC.[3][5]

See also

• 1980 in spaceflight
• List of Progress missions
• List of uncrewed spaceflights to Salyut space stations

References

1. "Launchlog". Jonathan's Space Report. Retrieved 4 December 2020.
2. "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 4 December 2020.
3. "Cargo spacecraft "Progress 11"". Manned Astronautics figures and facts. Archived from the original on 14 October 2007.
4. "Progress 11". NASA. Retrieved 4 December 2020. This article incorporates text from this source, which is in the public domain.
5. "Salyut 6". Astronautix. Retrieved 4 December 2020.