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    MMS 1
            Launch Details
            
                
        
                    | Launched | 12 March 2015 | 
| Flight ended | – | 
| Status | Operational | 
| Categories | Tracking and Data Relay Satellite System (TDRSS) Space & Earth Science Active satellites | 
| Launch site | Air Force Eastern Test Range, Florida, USA | 
| Owner | United States | 
| NORAD ID | 40482 | 
| COSPAR ID | 2015-011A | 
| Alternative names | MAGNETOSPHERIC MULTISCALE 1 | 
| Observing | 
Current orbital elements
| Inclination | 68.409° | 
| Eccentricity | 0.85656 | 
| RA ascending node | 23.486 hr | 
| Argument perigee | 162.370° | 
| Mean anomaly | 254.121° | 
| Orbital period | 5077.326 min | 
| Epoch of osculation | 30 Oct 2025, 08:00 | 
Derived Quantities
| Min Altitude | 7665.4 km | 
| Mean Altitude | 91484.1 km | 
| Peak Altitude | 175302.8 km | 
Orbital History
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