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COSMOS 839
Launch Details
| Launched | 7 July 1976 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 9011 |
| COSPAR ID | 1976-067A |
| Observing |
Current orbital elements
| Inclination | 65.856° |
| Eccentricity | 0.07007 |
| RA ascending node | 23.315 hr |
| Argument perigee | 16.750° |
| Mean anomaly | 345.541° |
| Orbital period | 116.799 min |
| Epoch of osculation | 29 Oct 2025, 12:04 |
Derived Quantities