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 | 68.982° |
| Eccentricity | 0.44680 |
| RA ascending node | 13.288 hr |
| Argument perigee | 98.894° |
| Mean anomaly | 312.615° |
| Orbital period | 718.013 min |
| Epoch of osculation | 01 Feb 2026, 01:54 |
Derived Quantities
| Min Altitude | 8322.7 km |
| Mean Altitude | 20190.2 km |
| Peak Altitude | 32057.7 km |
Orbital History
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