Spacecraft information: COSMOS 1641
| Launched | 20 March 1985 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15623 |
| COSPAR ID | 1985-023G |
| Observing |
Current orbital elements
| Inclination | 74.057° |
| Eccentricity | 0.00432 |
| RA ascending node | 21.004 hr |
| Argument perigee | 52.746° |
| Mean anomaly | 120.403° |
| Orbital period | 114.781 min |
| Epoch of osculation | 20 Mar 2026, 10:19 |
Derived Quantities
| Min Altitude | 1418.9 km |
| Mean Altitude | 1452.6 km |
| Peak Altitude | 1486.4 km |
Launched alongside
COSMOS 1635 COSMOS 1636 COSMOS 1637 COSMOS 1638 COSMOS 1639 COSMOS 1640 COSMOS 1642 SL-8 R/BOrbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.