About MMS 4
Group: 3 satellites
Description loading...
Live Position
Loading 3D Globe...
Upcoming Passes
Altitude History
Altitude vs Time
uPlot chart will show altitude changes over time
Two-Line Element Set
1 40485U 15011D 26014.33335648 -.00001421 00000-0 00000-0 0 9996
2 40485 69.9612 350.9892 8480144 164.0676 86.0064 0.28365699 1352
Epoch: Jan 14, 2026 •
Age: 8 hours
Current Status
Altitude 162385.8 km
Velocity 0.81 km/s
Sub-Earth Point -23.91°S,
19.3°W
Launch Date Mar 13, 2015
Age 10.8 years
Type other
Technical Details
Classification Payload
Mass 1360.00 kg
Dry Mass 1000.00 kg
Total Mass 1360.00 kg
Length 1.20 m
Diameter 3.60 m
Span 112.00 m
Shape Cylinder+antennae
Manufacturer GSFC
Bus Type MMS-SMART
Phase Status Deep Space
Owner/State GSFC/US
Large Constellations
Loading constellations...