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COSMOS 861
Launch Details
| Launched | 20 October 1976 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 9494 |
| COSPAR ID | 1976-104A |
| Observing |
Current orbital elements
| Inclination | 64.858° |
| Eccentricity | 0.00666 |
| RA ascending node | 6.730 hr |
| Argument perigee | 261.496° |
| Mean anomaly | 97.855° |
| Orbital period | 104.219 min |
| Epoch of osculation | 27 Aug 2025, 22:01 |
Derived Quantities
| Min Altitude | 916.1 km |
| Mean Altitude | 965.0 km |
| Peak Altitude | 1013.8 km |
Orbital History
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