Progress 21
Appearance
![]() A Progress 7K-TG spacecraft | |
Mission type | Salyut 7resupply |
---|---|
COSPAR ID | 1984-042A |
SATCATno. | 14961[1] |
Spacecraft properties | |
Spacecraft | Progress(No.116) |
Spacecraft type | Progress 7K-TG[2] |
Manufacturer | NPO Energia |
Start of mission | |
Launch date | 7 May 1984, 22:47:15 UTC[1] |
Rocket | Soyuz-U[2] |
Launch site | Baikonur,Site 31/6 |
End of mission | |
Disposal | Deorbited |
Decay date | 26 May 1984, 15:00:30 UTC[3] |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth |
Perigee altitude | 187 km[3] |
Apogee altitude | 246 km[3] |
Inclination | 51.6°[3] |
Period | 88.8 minutes[3] |
Epoch | 26 May 1984 |
Docking withSalyut 7 | |
Docking port | Aft[3] |
Docking date | 10 May 1984, 00:10 UTC |
Undocking date | 26 May 1984, 09:41 UTC |
Progress 21(Russian:Прогресс 21) was aSovietuncrewedProgresscargo spacecraft, which was launched in May 1984 to resupply theSalyut 7space station.
Launch
[edit]Progress 21 launched on 7 May 1984 from theBaikonur Cosmodromein theKazakh SSR.It used aSoyuz-Urocket.[2][4]
Docking
[edit]Progress 21 docked with the aft port of Salyut 7 on 10 May 1984 at 00:10 UTC, and was undocked on 26 May 1984 at 09:41 UTC.[3][5]
Decay
[edit]It remained in orbit until 26 May 1984, when it was deorbited. The deorbit burn occurred at 15:00:30 UTC, with the mission ending at around 15:45 UTC.[3][5]
See also
[edit]- 1984 in spaceflight
- List of Progress missions
- List of uncrewed spaceflights to Salyut space stations
References
[edit]- ^ab"Launchlog".Jonathan's Space Report.Retrieved5 December2020.
- ^abc"Progress 1 - 42 (11F615A15, 7K-TG)".Gunter's Space Page.Retrieved5 December2020.
- ^abcdefgh"Cargo spacecraft" Progress 21 "".Manned Astronautics figures and facts.Archived fromthe originalon 13 October 2007.
- ^"Progress 21".NASA.Retrieved5 December2020.
This article incorporates text from this source, which is in thepublic domain.
- ^ab"Salyut 7".Astronautix.Archived fromthe originalon 11 December 2016.Retrieved5 December2020.