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COSMOS 1640
Launch Details
| 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 | 15622 |
| COSPAR ID | 1985-023F |
| Observing |
Current orbital elements
| Inclination | 74.055° |
| Eccentricity | 0.00332 |
| RA ascending node | 19.480 hr |
| Argument perigee | 75.536° |
| Mean anomaly | 97.804° |
| Orbital period | 114.939 min |
| Epoch of osculation | 27 Aug 2025, 21:02 |
Derived Quantities
| Min Altitude | 1433.8 km |
| Mean Altitude | 1459.8 km |
| Peak Altitude | 1485.8 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.
Launched alongside
COSMOS 1635 COSMOS 1636 COSMOS 1637 COSMOS 1638 COSMOS 1639 COSMOS 1641 COSMOS 1642 SL-8 R/B