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 | 74.056° |
| Eccentricity | 0.00438 |
| RA ascending node | 5.044 hr |
| Argument perigee | 191.056° |
| Mean anomaly | 227.189° |
| Orbital period | 114.781 min |
| Epoch of osculation | 20 Dec 2025, 07:16 |
Derived Quantities
| Min Altitude | 1418.4 km |
| Mean Altitude | 1452.6 km |
| Peak Altitude | 1486.9 km |
Launched alongside
COSMOS 1635 COSMOS 1636 COSMOS 1637 COSMOS 1638 COSMOS 1639 COSMOS 1640 COSMOS 1642 SL-8 R/BOrbital History
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