Spacecraft information: COSMOS 1977
| Launched | 24 October 1988 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 19608 |
| COSPAR ID | 1988-096A |
| Observing |
Current orbital elements
| Inclination | 69.077° |
| Eccentricity | 0.54857 |
| RA ascending node | 7.971 hr |
| Argument perigee | 53.066° |
| Mean anomaly | 358.683° |
| Orbital period | 718.749 min |
| Epoch of osculation | 16 Mar 2026, 05:11 |
Derived Quantities
| Min Altitude | 5627.8 km |
| Mean Altitude | 20208.4 km |
| Peak Altitude | 34789.0 km |
Orbital History
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