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Spacecraft information: COSMOS 921 DEB
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 | 39690 |
| COSPAR ID | 1977-055C |
| Observing |
Current orbital elements
| Inclination | 75.808° |
| Eccentricity | 0.00186 |
| RA ascending node | 10.037 hr |
| Argument perigee | 319.252° |
| Mean anomaly | 40.732° |
| Orbital period | 91.628 min |
| Epoch of osculation | 15 Mar 2026, 14:45 |
Derived Quantities
| Min Altitude | 349.0 km |
| Mean Altitude | 361.6 km |
| Peak Altitude | 374.1 km |
Orbital History
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