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    SL-6 R/B(2)
            Launch Details
            
                
        
                    | Launched | 1 June 1978 | 
| Flight ended | – | 
| Status | Unknown | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 10949 | 
| COSPAR ID | 1978-055E | 
| Observing | 
Current orbital elements
| Inclination | 63.919° | 
| Eccentricity | 0.71244 | 
| RA ascending node | 17.367 hr | 
| Argument perigee | 277.916° | 
| Mean anomaly | 13.419° | 
| Orbital period | 730.616 min | 
| Epoch of osculation | 29 Oct 2025, 02:03 | 
Derived Quantities
| Min Altitude | 1356.1 km | 
| Mean Altitude | 20500.2 km | 
| Peak Altitude | 39644.2 km | 
Orbital History
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