Engineering:Progress 31
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 A Progress 7K-TG spacecraft | |
| Mission type | Mir resupply |
|---|---|
| COSPAR ID | 1987-066A |
| SATCAT no. | 18283[1] |
| Spacecraft properties | |
| Spacecraft | Progress (No.138) |
| Spacecraft type | Progress 7K-TG[2] |
| Manufacturer | NPO Energia |
| Start of mission | |
| Launch date | 3 August 1987, 20:44:11 UTC[1] |
| Rocket | Soyuz-U2[2] |
| Launch site | Baikonur, Site 1/5 |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 23 September 1987, 00:22:00 UTC[3] |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 187 km[3] |
| Apogee altitude | 250 km[3] |
| Inclination | 51.6°[3] |
| Period | 88.9 minutes[3] |
| Epoch | 3 August 1987 |
| Docking with Mir | |
| Docking port | Kvant-1 aft[3] |
| Docking date | 5 August 1987, 22:27:35 UTC |
| Undocking date | 21 September 1987, 23:57:41 UTC |
Progress 31 (Russian: Прогресс 31) was a Soviet uncrewed Progress cargo spacecraft, which was launched in August 1987 to resupply the Mir space station.
Launch
Progress 31 launched on 3 August 1987 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.[2][4]
Docking
Progress 31 docked with the aft port of the Kvant-1 module of Mir on 5 August 1987 at 22:27:35 UTC, and was undocked on 21 September 1987 at 23:57:41 UTC.[3][5]
Decay
It remained in orbit until 23 September 1987, when it was deorbited. The deorbit burn occurred at 00:22:00 UTC and the mission ended at 01:02 UTC.[3][5]
See also
- 1987 in spaceflight
- List of Progress missions
- List of uncrewed spaceflights to Mir
References
- ↑ 1.0 1.1 "Launchlog". Jonathan's Space Report. http://planet4589.org/space/log/launchlog.txt.
- ↑ 2.0 2.1 2.2 "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. https://space.skyrocket.de/doc_sdat/progress.htm.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 "Cargo spacecraft "Progress 31"". Manned Astronautics figures and facts. http://space.kursknet.ru/cosmos/english/cargoes/pr31.sht.
- ↑ "Progress 31". NASA. https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1984-066A.
This article incorporates text from this source, which is in the public domain.
- ↑ 5.0 5.1 "Mir". Astronautix. http://www.astronautix.com/m/mir.html.
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