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Spacecraft information: COSMOS 1831
Launch Details
| Launched | 12 March 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 17586 |
| COSPAR ID | 1987-026E |
| Observing |
Current orbital elements
| Inclination | 82.559° |
| Eccentricity | 0.00148 |
| RA ascending node | 19.401 hr |
| Argument perigee | 187.034° |
| Mean anomaly | 290.167° |
| Orbital period | 113.785 min |
| Epoch of osculation | 12 Dec 2025, 06:54 |
Derived Quantities
| Min Altitude | 1395.8 km |
| Mean Altitude | 1407.3 km |
| Peak Altitude | 1418.8 km |
Orbital History
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