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Spacecraft information: COSMOS 921
Launch Details
| Launched | 23 June 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10095 |
| COSPAR ID | 1977-055A |
| Observing |
Current orbital elements
| Inclination | 75.832° |
| Eccentricity | 0.00353 |
| RA ascending node | 8.639 hr |
| Argument perigee | 55.271° |
| Mean anomaly | 305.180° |
| Orbital period | 96.230 min |
| Epoch of osculation | 31 Dec 2025, 11:48 |
Derived Quantities
| Min Altitude | 560.6 km |
| Mean Altitude | 585.1 km |
| Peak Altitude | 609.6 km |
Orbital History
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