Review Article
Cosmic Ray Investigation in the Stratosphere and Space: Results from Instruments on Russian Satellites and Balloons
Table 2
Dates of launch and orbits of the satellites Prognoz—measurements out of the magnetosphere.
| Satellite | Date of launch | Initial apogee altitude (103 km) | Orbital period (days) | Time of active operation (months) |
| Prognoz-1 | 14.04.1972 | ≈200 | ≈4 | 4,4 | Prognoz-2 | 29.06.1972 | ≈200 | ≈4 | 5,5 | Prognoz-3 | 15.02.1973 | ≈200 | ≈4 | 12,5 | Prognoz-4 | 22.12.1975 | ≈200 | ≈4 | 2,5 | Prognoz-5 | 25.11.1976 | ≈200 | ≈4 | 7,8 | Prognoz-6 | 22.09.1977 | ≈200 | ≈4 | 5,3 | Prognoz-7 | 30.10.1978 | ≈200 | ≈4 | 6,8 | Prognoz-8 | 25.12.1980 | ≈200 | ≈4 | 8,8 | Prognoz-9 | 01.07.1983 | ≈720 | ≈27 | 8,0 | Prognoz-10 | 26.04.1985 | ≈200 | ≈4 | 9,3 |
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