Spacecraft information: COSMOS 1903
| 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 | 68.969° |
| Eccentricity | 0.44849 |
| RA ascending node | 13.400 hr |
| Argument perigee | 100.042° |
| Mean anomaly | 311.893° |
| Orbital period | 718.183 min |
| Epoch of osculation | 18 Dec 2025, 04:44 |
Derived Quantities
| Min Altitude | 8280.2 km |
| Mean Altitude | 20194.4 km |
| Peak Altitude | 32108.7 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.