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 | 27888 |
| COSPAR ID | 1977-047L |
| Observing |
Current orbital elements
| Inclination | 60.312° |
| Eccentricity | 0.74070 |
| RA ascending node | 16.112 hr |
| Argument perigee | 52.069° |
| Mean anomaly | 354.075° |
| Orbital period | 712.867 min |
| Epoch of osculation | 22 Mar 2026, 14:53 |
Derived Quantities
| Min Altitude | 483.4 km |
| Mean Altitude | 20063.2 km |
| Peak Altitude | 39643.0 km |
Orbital History
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