 A Progress 7K-TG spacecraft | |
| Mission type | Salyut 7 resupply |
|---|---|
| COSPAR ID | 1984-038A |
| SATCAT no. | 14932[1] |
| Spacecraft properties | |
| Spacecraft | Progress (No.121) |
| Spacecraft type | Progress 7K-TG[2] |
| Manufacturer | NPO Energia |
| Start of mission | |
| Launch date | 15 April 1984, 08:12:53 UTC[1] |
| Rocket | Soyuz-U2[2] |
| Launch site | Baikonur, Site 31/6 |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 7 May 1984, 00:32:51 UTC[3] |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 186 km[3] |
| Apogee altitude | 260 km[3] |
| Inclination | 51.6°[3] |
| Period | 89.0 minutes[3] |
| Epoch | 15 April 1984 |
| Docking with Salyut 7 | |
| Docking port | Aft[3] |
| Docking date | 17 April 1984, 09:22 UTC |
| Undocking date | 6 May 1984, 17:46 UTC |
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 b "Launchlog". Jonathan's Space Report. Retrieved 5 December 2020.
- ^ a b "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 5 December 2020.
- ^ a b c d e f "Cargo spacecraft "Progress 20"". Manned Astronautics figures and facts. Archived from the original on 13 October 2007.