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Spacecraft information: SL-6 R/B(2)
Launch Details
| Launched | 20 December 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18704 |
| COSPAR ID | 1987-105D |
| Observing |
Current orbital elements
| Inclination | 67.828° |
| Eccentricity | 0.56051 |
| RA ascending node | 17.837 hr |
| Argument perigee | 55.605° |
| Mean anomaly | 345.366° |
| Orbital period | 705.156 min |
| Epoch of osculation | 16 May 2026, 07:54 |
Derived Quantities
| Min Altitude | 5162.7 km |
| Mean Altitude | 19872.2 km |
| Peak Altitude | 34581.7 km |
Orbital History
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