Progress 18

Progress 18 (Russian: Прогресс 18) was a Soviet uncrewed Progress cargo spacecraft, which was launched in October 1983 to resupply the Salyut 7 space station.

Progress 18

A Progress 7K-TG spacecraft
Mission type	Salyut 7 resupply
COSPAR ID	1983-106A
SATCAT no.	14422[1]
Spacecraft properties
Spacecraft	Progress (No.118)
Spacecraft type	Progress 7K-TG[2]
Manufacturer	NPO Energia
Start of mission
Launch date	20 October 1983, 09:59:05 UTC[1]
Rocket	Soyuz-U[2]
Launch site	Baikonur, Site 31/6
End of mission
Disposal	Deorbited
Decay date	16 November 1983, 04:18 UTC[3]
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	185 km[3]
Apogee altitude	242 km[3]
Inclination	51.6°[3]
Period	88.8 minutes[3]
Epoch	20 October 1983
Docking with Salyut 7
Docking port	Aft[3]
Docking date	22 October 1983, 11:34 UTC
Undocking date	13 November 1983, 03:08 UTC
Progress (spacecraft)

Launch

Progress 18 launched on 20 October 1983 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U rocket.[2][4]

Docking

Progress 18 docked with the aft port of Salyut 7 on 22 October 1983 at 11:34 UTC, and was undocked on 13 November 1983 at 03:08 UTC.[3][5]

Decay

It remained in orbit until 16 November 1983, when it was deorbited. The deorbit burn occurred at 04:18 UTC.[3][5]

See also

• 1983 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 18"". Manned Astronautics figures and facts. Archived from the original on 18 October 2007.
4. "Progress 18". NASA. Retrieved 5 December 2020. This article incorporates text from this source, which is in the public domain.
5. "Salyut 7". Astronautix. Retrieved 5 December 2020.