1983-067A
Prognoz-9 used the same bus as the other Prognoz satellites, and also carried solar and plasma detectors, but its primary mission was quite different. The spacecraft was placed in a much more elliptical orbit with an apogee at twice the distance to the Moon. From this deep space vantage point, Prognoz-9 operated the RELIKT experiment, which attempted to measure the quadrupole moment of the cosmic microwave background.
| Prognoz-9 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1983 Jul 1 | 1217 | Launch by Molniya-M | KB |
| 1226 | Blok-I sep | ||
| BOZ sep | |||
| 1334? | Blok-L burn | ||
| Blok-L MECO | |||
| Blok-L sep | |||
| 27d 380 x 720000 x 65.5 | |||
| 1983 Jul 2 | 0338 | Pass EL1:4 | |
| 1983 Jul 3 | 0000 | Height 263000 km | |
| 1983 Jul 14 | 0800 | Apogee 1 at 713700 km | |
| 1983 Jul 26 | Perigee 2 | ||
| 1983 Aug 9 | Apogee 2, 702100 km | ||
| 1983 Aug 22 | 0130? | Perigee 3 | |
| 1983 Sep 3 | 1148? | Apogee 3, 670300 km | |
| 1983 Sep 16 | 0720? | Perigee 4, 47700 km | |
| 1983 Sep 28 | 0200? | Apogee 4, 646800 km | |
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