Spacecraft information: COSMOS 917 DEB
| Launched | 15 June 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 26964 |
| COSPAR ID | 1977-047E |
| Observing |
Current orbital elements
| Inclination | 61.831° |
| Eccentricity | 0.72452 |
| RA ascending node | 19.728 hr |
| Argument perigee | 37.859° |
| Mean anomaly | 355.573° |
| Orbital period | 710.547 min |
| Epoch of osculation | 15 May 2026, 14:29 |
Derived Quantities
| Min Altitude | 895.2 km |
| Mean Altitude | 20005.8 km |
| Peak Altitude | 39116.4 km |
Orbital History
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