Spacecraft information: COSMOS 839
| 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 | 65.854° |
| Eccentricity | 0.07034 |
| RA ascending node | 17.692 hr |
| Argument perigee | 359.788° |
| Mean anomaly | 0.272° |
| Orbital period | 116.799 min |
| Epoch of osculation | 12 Dec 2025, 03:27 |
Derived Quantities
| Min Altitude | 987.2 km |
| Mean Altitude | 1544.0 km |
| Peak Altitude | 2100.8 km |
Launched alongside
SL-8 R/B SL-8 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEB COSMOS 839 DEBOrbital History
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