Spacecraft information: COSMOS 1900
| Launched | 11 December 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18665 |
| COSPAR ID | 1987-101A |
| Observing |
Current orbital elements
| Inclination | 66.084° |
| Eccentricity | 0.00332 |
| RA ascending node | 20.231 hr |
| Argument perigee | 174.172° |
| Mean anomaly | 185.978° |
| Orbital period | 98.927 min |
| Epoch of osculation | 10 Mar 2026, 01:25 |
Derived Quantities
| Min Altitude | 691.0 km |
| Mean Altitude | 714.5 km |
| Peak Altitude | 738.0 km |
Orbital History
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