1979-087A
Ekran 4 was launched on 1979 Oct 3 by Proton from Baikonur.
| Ekran No. 17L | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1979 Oct 3 | 1712 | Launch by Proton-K | KB |
| 1721 | Stage 3 sep | ||
| 1829? | DM burn 1 | ||
| 2345? | DM burn 2 | ||
| 2349? | DM sep | ||
| 1979 Oct 12 | 1435.96 35704 x 35863 x 0.5 GEO 99.0E | ||
| 1980 May 7 | 1436.26 35726 x 35852 x 0.0 GEO 99.1E | ||
| 1981 Jan 22 | 1436.24 35749 x 35829 x 0.6 GEO 99.3E | ||
| 1981 Feb 11 | 1436.34 35757 x 35825 x 0.6 GEO 98.2E+0.07W | ||
| 1981 Mar 11 | 1436.10 35746 x 35826 x 0.7 GEO 98.9E+0.01W | ||
| 1981 Mar 26 | 1436.17 35738 x 35838 x 0.7 GEO 98.9E+0.03W | ||
| 1981 Mar? | drifting | ||
| 1981 Jul 20 | 1436.76 35759 x 35839 x 1.0 GEO 87.3E+0.17W | ||
| 1982 Apr 12 | 1436.08 35706 x 35865 x 1.5 GEO 50.7E | ||
| 1987 Jun 10 | 1435.52 35768 x 35781 x 6.1 GEO 88.4E+0.13E | ||
| 1990 Mar 12 | 1436.67 35765 x 35830 x 8.6 GEO 87.9E+0.15W | ||
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