Browse satellite catalog
         |
        
            Map of low-earth satellites
         |
        
            Satellites above your horizon
         |
        
            3D map of low-earth satellites
        
    
    SOLRAD 11A/B PKM
            Launch Details
            
                
        
                    | Launched | 14 March 1976 | 
| Flight ended | – | 
| Status | Unknown | 
| Launch site | Air Force Eastern Test Range, Florida, USA | 
| Owner | United States | 
| NORAD ID | 8752 | 
| COSPAR ID | 1976-023G | 
| Observing | 
Current orbital elements
| Inclination | 21.455° | 
| Eccentricity | 0.43754 | 
| RA ascending node | 23.691 hr | 
| Argument perigee | 54.217° | 
| Mean anomaly | 359.241° | 
| Orbital period | 3466.420 min | 
| Epoch of osculation | 30 Sep 2025, 09:57 | 
Derived Quantities
| Min Altitude | 36304.0 km | 
| Mean Altitude | 69500.9 km | 
| Peak Altitude | 102697.8 km | 
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.