Progress 20
Progress 20 (Russian: Прогресс 20) was a Soviet uncrewed Progress cargo spacecraft, which was launched in April 1984 to resupply the Salyut 7 space station.
A Progress 7K-TG spacecraft | |
| Mission type | Salyut 7 resupply |
|---|---|
| COSPAR ID | 1984-038A |
| SATCAT no. | 14932 |
| Spacecraft properties | |
| Spacecraft | Progress (No.121) |
| Spacecraft type | Progress 7K-TG |
| Manufacturer | NPO Energia |
| Start of mission | |
| Launch date | 15 April 1984, 08:12:53 UTC |
| Rocket | Soyuz-U2 |
| Launch site | Baikonur, Site 31/6 |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 7 May 1984, 00:32:51 UTC |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 186 km |
| Apogee altitude | 260 km |
| Inclination | 51.6° |
| Period | 89.0 minutes |
| Epoch | 15 April 1984 |
| Docking with Salyut 7 | |
| Docking port | Aft |
| Docking date | 17 April 1984, 09:22 UTC |
| Undocking date | 6 May 1984, 17:46 UTC |
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