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    SL-6 R/B(2)
            Launch Details
            
                
        
                    | Launched | 13 December 1984 | 
| Flight ended | – | 
| Status | Unknown | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 15439 | 
| COSPAR ID | 1984-124H | 
| Observing | 
Current orbital elements
| Inclination | 63.117° | 
| Eccentricity | 0.74259 | 
| RA ascending node | 2.176 hr | 
| Argument perigee | 255.777° | 
| Mean anomaly | 18.875° | 
| Orbital period | 733.398 min | 
| Epoch of osculation | 16 Oct 2025, 18:27 | 
Derived Quantities
| Min Altitude | 563.5 km | 
| Mean Altitude | 20568.3 km | 
| Peak Altitude | 40573.2 km | 
Orbital History
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