Progress M-21
A Progress-M spacecraft | |
| Mission type | Mir resupply |
|---|---|
| COSPAR ID | 1994-005A |
| SATCAT no. | 22975 |
| Spacecraft properties | |
| Spacecraft | Progress (No.221) |
| Spacecraft type | Progress-M |
| Manufacturer | RKK Energia |
| Start of mission | |
| Launch date | 28 January 1994, 02:12:10 UTC |
| Rocket | Soyuz-U |
| Launch site | Baikonur, Site 1/5 |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 23 March 1994, 05:13 UTC |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 194 km |
| Apogee altitude | 236 km |
| Inclination | 51.6° |
| Period | 88.5 minutes |
| Epoch | 28 January 1994 |
| Docking with Mir | |
| Docking port | Kvant-1 aft |
| Docking date | 30 January 1994, 03:56:13 UTC |
| Undocking date | 23 March 1994, 01:20:29 UTC |
Progress M-21 (Russian: Прогресс M-21) was a Russian unmanned Progress cargo spacecraft, which was launched in January 1994 to resupply the Mir space station.