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    SL-8 DEB
            Launch Details
            
                
        
                    | Launched | 16 February 1978 | 
| Flight ended | – | 
| Status | Unknown | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 18501 | 
| COSPAR ID | 1978-019E | 
| Observing | 
Current orbital elements
| Inclination | 74.052° | 
| Eccentricity | 0.00073 | 
| RA ascending node | 15.079 hr | 
| Argument perigee | 76.047° | 
| Mean anomaly | 97.809° | 
| Orbital period | 97.504 min | 
| Epoch of osculation | 29 Oct 2025, 12:36 | 
Derived Quantities
| Min Altitude | 641.3 km | 
| Mean Altitude | 646.4 km | 
| Peak Altitude | 651.5 km | 
Orbital History
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