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COSMOS 1903
Launch Details
| Launched | 20 December 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18701 |
| COSPAR ID | 1987-105A |
| Observing |
Current orbital elements
| Inclination | 68.934° |
| Eccentricity | 0.45578 |
| RA ascending node | 13.836 hr |
| Argument perigee | 104.448° |
| Mean anomaly | 308.903° |
| Orbital period | 718.779 min |
| Epoch of osculation | 28 Jun 2025, 13:14 |
Derived Quantities
| Min Altitude | 8094.3 km |
| Mean Altitude | 20209.1 km |
| Peak Altitude | 32323.9 km |
Orbital History
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