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COSMOS 1851
Launch Details
| Launched | 11 June 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18103 |
| COSPAR ID | 1987-050A |
| Observing |
Current orbital elements
| Inclination | 70.832° |
| Eccentricity | 0.43074 |
| RA ascending node | 14.113 hr |
| Argument perigee | 59.878° |
| Mean anomaly | 346.904° |
| Orbital period | 717.215 min |
| Epoch of osculation | 10 Jul 2024, 01:53 |
Derived Quantities
| Min Altitude | 8738.2 km |
| Mean Altitude | 20170.6 km |
| Peak Altitude | 31603.0 km |
Orbital History
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