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COSMOS 1857
Launch Details
| Launched | 15 June 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18118 |
| COSPAR ID | 1987-051F |
| Observing |
Current orbital elements
| Inclination | 74.001° |
| Eccentricity | 0.00381 |
| RA ascending node | 6.763 hr |
| Argument perigee | 155.946° |
| Mean anomaly | 204.338° |
| Orbital period | 114.808 min |
| Epoch of osculation | 29 Oct 2025, 12:17 |
Derived Quantities
| Min Altitude | 1424.0 km |
| Mean Altitude | 1453.8 km |
| Peak Altitude | 1483.6 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 1852 COSMOS 1853 COSMOS 1854 COSMOS 1855 COSMOS 1856 COSMOS 1858 COSMOS 1859 SL-8 R/B