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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 | 56.730° |
| Eccentricity | 0.89451 |
| RA ascending node | 0.137 hr |
| Argument perigee | 153.942° |
| Mean anomaly | 0.674° |
| Orbital period | 5065.383 min |
| Epoch of osculation | 21 Nov 2024, 06:00 |
Derived Quantities
| Min Altitude | 3935.4 km |
| Mean Altitude | 91330.6 km |
| Peak Altitude | 178725.8 km |
Orbital History
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