Spacecraft information: COSMOS 1878
| 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 | 82.571° |
| Eccentricity | 0.00020 |
| RA ascending node | 3.503 hr |
| Argument perigee | 299.253° |
| Mean anomaly | 125.583° |
| Orbital period | 113.890 min |
| Epoch of osculation | 12 Dec 2025, 06:47 |
Derived Quantities
| Min Altitude | 1410.5 km |
| Mean Altitude | 1412.1 km |
| Peak Altitude | 1413.6 km |
Orbital History
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