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Spacecraft information: COSMOS 1878
Launch Details
| Launched | 6 September 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18337 |
| COSPAR ID | 1987-074D |
| Observing |
Current orbital elements
| Inclination | 82.576° |
| Eccentricity | 0.00042 |
| RA ascending node | 23.517 hr |
| Argument perigee | 80.153° |
| Mean anomaly | 93.430° |
| Orbital period | 113.890 min |
| Epoch of osculation | 15 Mar 2026, 12:31 |
Derived Quantities
| Min Altitude | 1408.8 km |
| Mean Altitude | 1412.0 km |
| Peak Altitude | 1415.3 km |
Orbital History
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