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Spacecraft information: COSMOS 1634
Launch Details
| Launched | 13 March 1985 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15597 |
| COSPAR ID | 1985-022A |
| Observing |
Current orbital elements
| Inclination | 82.940° |
| Eccentricity | 0.00357 |
| RA ascending node | 23.215 hr |
| Argument perigee | 173.117° |
| Mean anomaly | 298.796° |
| Orbital period | 104.704 min |
| Epoch of osculation | 20 Dec 2025, 11:26 |
Derived Quantities
| Min Altitude | 961.5 km |
| Mean Altitude | 987.7 km |
| Peak Altitude | 1013.9 km |
Launched alongside
SL-8 R/BOrbital History
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