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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 | 67.983° |
| Eccentricity | 0.55967 |
| RA ascending node | 18.247 hr |
| Argument perigee | 58.450° |
| Mean anomaly | 344.432° |
| Orbital period | 705.181 min |
| Epoch of osculation | 01 Feb 2026, 00:31 |
Derived Quantities
| Min Altitude | 5184.9 km |
| Mean Altitude | 19872.8 km |
| Peak Altitude | 34560.8 km |
Orbital History
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