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Spacecraft information: 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 | 74.032° |
| Eccentricity | 0.00407 |
| RA ascending node | 23.587 hr |
| Argument perigee | 118.442° |
| Mean anomaly | 253.032° |
| Orbital period | 114.468 min |
| Epoch of osculation | 06 Jun 2026, 19:24 |
Derived Quantities
| Min Altitude | 1406.6 km |
| Mean Altitude | 1438.4 km |
| Peak Altitude | 1470.1 km |
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/BOrbital History
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