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COSMOS 977
Launch Details
| Launched | 9 January 1978 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10584 |
| COSPAR ID | 1978-005B |
| Observing |
Current orbital elements
| Inclination | 74.031° |
| Eccentricity | 0.00412 |
| RA ascending node | 21.339 hr |
| Argument perigee | 222.178° |
| Mean anomaly | 251.188° |
| Orbital period | 114.470 min |
| Epoch of osculation | 22 Apr 2024, 00:59 |
Derived Quantities
| Min Altitude | 1406.3 km |
| Mean Altitude | 1438.5 km |
| Peak Altitude | 1470.7 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.
Launched alongside
COSMOS 975 COSMOS 976 SL-3 R/B COSMOS 978 COSMOS 979 COSMOS 980 COSMOS 981 COSMOS 982 COSMOS 983 SL-8 R/B