 | |
| Mission type | Salyut 6 resupply |
|---|---|
| Operator | OKB-1 |
| COSPAR ID | 1978-070A |
| SATCAT no. | 10979 |
| Mission duration | 27 days, 14 hours and 49 minutes |
| Spacecraft properties | |
| Spacecraft | Progress s/n 101 |
| Spacecraft type | Progress 7K-TG |
| Manufacturer | NPO Energia |
| Launch mass | 7020 kg |
| Dry mass | 6520 kg |
| Payload mass | 2500 kg |
| Dimensions | 7.48 m in length and 2.72 m in diameter |
| Start of mission | |
| Launch date | 7 July 1978, 11:26:16 UTC |
| Rocket | Soyuz-U s/n S15000-128 |
| Launch site | Baikonur, Site 31/6 |
| Contractor | OKB-1 |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 4 August 1978, 02:15 UTC |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 193 km |
| Apogee altitude | 262 km |
| Inclination | 51.66° |
| Period | 88.7 minutes |
| Epoch | 7 July 1978 |
| Docking with Salyut 6 | |
| Docking port | Aft |
| Docking date | 9 July 1978, 12:58:59 UTC |
| Undocking date | 2 August 1978, 04:57:44 UTC |
| Time docked | 23 days, 15 hours and 59 minutes |
| Cargo | |
| Mass | 2500 kg |
| Fuel | 600 kg |
Progress 2 (Russian: Прогресс 2) was an unmanned Progress cargo spacecraft launched by the Soviet Union in 1978 to resupply the Salyut 6 space station. It used the Progress 7K-TG configuration, and was the second Progress mission to Salyut 6. It carried supplies for the EO-2 crew aboard Salyut 6, as well as equipment for conducting scientific research, and fuel for adjusting the station's orbit and performing manoeuvres.