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Spacecraft information: COSMOS 1858
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 | 18119 |
| COSPAR ID | 1987-051G |
| Observing |
Current orbital elements
| Inclination | 74.006° |
| Eccentricity | 0.00486 |
| RA ascending node | 20.957 hr |
| Argument perigee | 349.827° |
| Mean anomaly | 120.844° |
| Orbital period | 114.646 min |
| Epoch of osculation | 31 Dec 2025, 14:33 |
Derived Quantities
| Min Altitude | 1408.5 km |
| Mean Altitude | 1446.5 km |
| Peak Altitude | 1484.4 km |
Launched alongside
COSMOS 1852 COSMOS 1853 COSMOS 1854 COSMOS 1855 COSMOS 1856 COSMOS 1857 COSMOS 1859 SL-8 R/BOrbital History
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