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MMS 4
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 | 40485 |
| COSPAR ID | 2015-011D |
| Alternative names |
MAGNETOSPHERIC MULTISCALE 4 |
| Observing |
Current orbital elements
| Inclination | 68.464° |
| Eccentricity | 0.85438 |
| RA ascending node | 23.482 hr |
| Argument perigee | 162.625° |
| Mean anomaly | 225.040° |
| Orbital period | 5088.896 min |
| Epoch of osculation | 02 Nov 2025, 14:00 |
Derived Quantities
| Min Altitude | 7900.3 km |
| Mean Altitude | 91632.7 km |
| Peak Altitude | 175365.2 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.