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 | 69.004° |
| Eccentricity | 0.44317 |
| RA ascending node | 13.020 hr |
| Argument perigee | 96.066° |
| Mean anomaly | 314.534° |
| Orbital period | 717.600 min |
| Epoch of osculation | 20 May 2026, 06:00 |
Derived Quantities
| Min Altitude | 8413.4 km |
| Mean Altitude | 20180.1 km |
| Peak Altitude | 31946.7 km |
Orbital History
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