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    SL-8 DEB
            Launch Details
            
                
        
                    | Launched | 11 February 1991 | 
| Flight ended | – | 
| Status | Unknown | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 21180 | 
| COSPAR ID | 1991-009AT | 
| Observing | 
Current orbital elements
| Inclination | 74.061° | 
| Eccentricity | 0.01099 | 
| RA ascending node | 16.743 hr | 
| Argument perigee | 279.314° | 
| Mean anomaly | 109.025° | 
| Orbital period | 117.177 min | 
| Epoch of osculation | 01 Nov 2025, 20:38 | 
Derived Quantities