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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 | 68.947° |
| Eccentricity | 0.45278 |
| RA ascending node | 13.668 hr |
| Argument perigee | 102.771° |
| Mean anomaly | 310.031° |
| Orbital period | 718.614 min |
| Epoch of osculation | 02 Sep 2025, 10:25 |
Derived Quantities
| Min Altitude | 8171.9 km |
| Mean Altitude | 20205.1 km |
| Peak Altitude | 32238.2 km |
Orbital History
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