| Mission type | Orbital test flight |
|---|---|
| Operator | Soviet space program |
| COSPAR ID | 1975-093A |
| SATCAT no. | 8338 |
| Mission duration | 3 days, 23 hours and 55 minutes |
| Spacecraft properties | |
| Spacecraft type | Soyuz 7K-S s/n 2L |
| Manufacturer | NPO Energia |
| Launch mass | 6,750 kg (14,880 lb) |
| Start of mission | |
| Launch date | 29 September 1975, 04:15 GMT |
| Rocket | Soyuz-U |
| Launch site | Baikonur 1/5 |
| End of mission | |
| Disposal | Deorbited |
| Landing date | 3 October 1975, 04:10 GMT |
| Orbital parameters | |
| Reference system | Geocentric |
| Perigee altitude | 154 km (96 mi) |
| Apogee altitude | 245 km (152 mi) |
| Inclination | 51.8° |
| Period | 88.4 min |
Kosmos 772 (Russian: Космос 772 meaning Cosmos 772) was an uncrewed military Soyuz 7K-S test. It was an unsuccessful mission as only one transmitter worked. Only the 166 MHz frequency transmitter operated, all of the other normal Soyuz wavelengths transmitters failed. [1][2] The experience from these flights were used in the development of the successor program Soyuz spacecraft the Soyuz 7K-ST.[3] [4][5][6][7][8]
- ^ astronautix.com, Soyuz 7K-S
- ^ Soviet Space Programs, 1976-80: Manned space programs and space life sciences
- ^ "friends-partners.org soyuz7ks". Archived from the original on 2008-07-24. Retrieved 2006-02-03.
- ^ astronautix.com soyuz7k-s
- ^ "A brief history of space accidents". Jane's Transport Business News. February 3, 2003. Archived from the original on 2003-02-04. Retrieved 2007-10-20.
- ^ "Astronauts escape malfunctioning rocket". BBC News. 2018-10-11. Retrieved 2018-10-11.
- ^ Sanchez, Merri J. (March 2000). "A Human Factors Evaluation of a Methodology for Pressurized Crew Module Acceptability for Zero-Gravity Ingress of Spacecraft" (PDF). Houston, Texas: Lyndon B. Johnson Space Center. p. 8. Archived from the original (PDF) on 2006-10-05. Retrieved 2007-10-20.
- ^ Evans, Ben (September 28, 2013). "'We Were Swearing!' Thirty Years Since Russia's Brush With Disaster". Retrieved 2014-01-24.