Progress 4
 A Progress 7K-TG spacecraft | |
| Mission type | Salyut 6 resupply |
|---|---|
| COSPAR ID | 1978-090A |
| SATCAT no. | 11040[1] |
| Spacecraft properties | |
| Spacecraft | Progress 4 (No.105) |
| Spacecraft type | Progress 7K-TG[2] |
| Manufacturer | NPO Energia |
| Start of mission | |
| Launch date | 3 October 1978, 23:09:30 UTC[1] |
| Rocket | Soyuz-U[2] |
| Launch site | Baikonur 1/5[2] |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 26 October 1978, 16:28 GMT[3] |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee | 191 kilometres (119 mi)[3] |
| Apogee | 266 kilometres (165 mi)[3] |
| Inclination | 51.7 degrees[3] |
| Period | 88.8 minutes[3] |
| Docking with Salyut 6 | |
| Docking port | Aft[4] |
| Docking date | 6 October 1978, 01:00:15 UTC[4] |
| Undocking date | 24 October 1978, 13:01:52 UTC[4] |
| Time docked | 18.5 days |
Progress 4 (Russian: Прогресс 4), was a Soviet unmanned Progress cargo spacecraft which was launched in 1978 to resupply the Salyut 6 space station.
Launch
Progress 4 launched on 3 October 1978 from the Baikonur Cosmodrome in the Kazakh Soviet Socialist Republic. It used a Soyuz-U rocket.[2]
Docking
Progress 4 docked with Salyut 6 on 6 October 1978 at 01:00:15 GMT.[5]
See also
References
- 1 2 "Launchlog". Jonathan's Space Report. Retrieved 23 December 2017.
- 1 2 3 4 "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 23 December 2017.
- 1 2 3 4 5 "Progress 4". NASA. Retrieved 23 December 2017.
- 1 2 3 "Cargo spacecraft "Progress-4"". Manned Astronautics figures & facts. Archived from the original on 10 September 2007.
- ↑ "Salyut 6". Astronautix. Retrieved 23 December 2017.
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