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COSMOS 939
Launch Details
| Launched | 23 August 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10282 |
| COSPAR ID | 1977-079A |
| Observing |
Current orbital elements
| Inclination | 74.021° |
| Eccentricity | 0.00199 |
| RA ascending node | 7.112 hr |
| Argument perigee | 207.880° |
| Mean anomaly | 219.345° |
| Orbital period | 114.808 min |
| Epoch of osculation | 21 Apr 2024, 23:24 |
Derived Quantities
| Min Altitude | 1438.2 km |
| Mean Altitude | 1453.8 km |
| Peak Altitude | 1469.4 km |
Orbital History
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