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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 | 68.054° |
| Eccentricity | 0.55953 |
| RA ascending node | 18.422 hr |
| Argument perigee | 59.676° |
| Mean anomaly | 343.963° |
| Orbital period | 705.194 min |
| Epoch of osculation | 18 Dec 2025, 11:01 |
Derived Quantities
| Min Altitude | 5188.8 km |
| Mean Altitude | 19873.2 km |
| Peak Altitude | 34557.5 km |
Orbital History
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