Spacecraft information: SL-8 R/B
| Launched | 13 October 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18403 |
| COSPAR ID | 1987-087B |
| Observing |
Current orbital elements
| Inclination | 82.918° |
| Eccentricity | 0.00580 |
| RA ascending node | 20.119 hr |
| Argument perigee | 153.612° |
| Mean anomaly | 206.801° |
| Orbital period | 104.588 min |
| Epoch of osculation | 12 Dec 2025, 06:18 |
Derived Quantities
| Min Altitude | 939.6 km |
| Mean Altitude | 982.3 km |
| Peak Altitude | 1025.0 km |
Launched alongside
COSMOS 1891Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.