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| Manufacturer | Lavochkin |
|---|---|
| Country of origin | Soviet Union |
| Operator | RVSN |
| Applications | Scientific research |
| Specifications | |
| Launch mass | 920 kilograms (2,030 lb) |
| Regime | HEO |
| Production | |
| Status | Retired |
| Launched | 12 |
| Retired | 12 |
| Maiden launch | Prognoz 1 14 April 1972 |
| Last launch | Prognoz 12 29 August 1996 |
Prognoz, also known as SO (Solar Object, first three satellites), SO-M (SO-modified, next seven satellites), and SO-M2 (last two satellites, also known as Interball), was a Soviet scientific research satellite programme. Twelve Prognoz satellites were launched between 14 April 1972, and 29 August 1996, by Molniya-M carrier rockets. The satellites were placed in high Earth orbits. The first ten Prognoz satellites were launched from Site 31/6 at the Baikonur Cosmodrome, and the last two from Site 43/3 at the Plesetsk Cosmodrome.[1][2][3]
The satellites were primarily used for Solar research; however, the later satellites were used for other kinds of research, including research into the Big Bang theory, and Earth's magnetosphere.[4] The tenth satellite was used as part of the Interkosmos programme.
- ^ "Prognoz 1,2,3 (SO)". Gunter's space page. Retrieved 2021-01-28.
- ^ "Prognoz 4,5,6,7,8,9,10 (SO-M)/Intersputnik 23". Gunter's space page. Retrieved 2021-01-28.
- ^ "Interball 1,2 (SO-M2 #1,2)". Gunter's space page. Retrieved 2021-01-28.
- ^ Encyclopedia Astronautica - Prognoz Archived 2009-10-11 at the Wayback Machine