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    USA 255
            Launch Details
            
                
        
                    | Launched | 27 July 2014 | 
| Flight ended | – | 
| Status | Non-operational | 
| Launch site | Air Force Eastern Test Range, Florida, USA | 
| Owner | United States | 
| NORAD ID | 40101 | 
| COSPAR ID | 2014-043C | 
| Observing | 
Current orbital elements
| Inclination | 8.688° | 
| Eccentricity | 0.00117 | 
| RA ascending node | 3.969 hr | 
| Argument perigee | 318.880° | 
| Mean anomaly | 19.964° | 
| Orbital period | 1458.533 min | 
| Epoch of osculation | 28 Oct 2025, 13:46 | 
Derived Quantities
| Min Altitude | 36182.1 km | 
| Mean Altitude | 36231.8 km | 
| Peak Altitude | 36281.4 km | 
Orbital History
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