Browse satellite catalog
|
Map of low-earth satellites
|
Satellites above your horizon
|
3D map of low-earth satellites
Spacecraft information: 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 | 69.415° |
| Eccentricity | 0.85035 |
| RA ascending node | 23.426 hr |
| Argument perigee | 163.500° |
| Mean anomaly | 2.374° |
| Orbital period | 5086.939 min |
| Epoch of osculation | 23 Dec 2025, 08:00 |
Derived Quantities
| Min Altitude | 8291.9 km |
| Mean Altitude | 91607.6 km |
| Peak Altitude | 174923.3 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.