About TDRS 12
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 39504U 14004A 26056.42930631 -.00000276 00000-0 00000+0 0 9992
2 39504 3.8693 17.1179 0004188 265.3419 346.4849 1.00272483 43157
Epoch: Feb 25, 2026 •
Age: 14 hours
Current Status
Altitude 35802.8 km
Velocity 3.07 km/s
Sub-Earth Point 3.83°N,
40.87°W
Launch Date Jan 24, 2014
Age 12 years
Type other
Technical Details
Classification Payload
Mass 3454.00 kg
Dry Mass 2000.00 kg
Total Mass 3454.00 kg
Length 8.10 m
Diameter 3.00 m
Span 21.10 m
Shape Box + 2 pan
Manufacturer BOES
Bus Type BSS-601HP
Phase Status In Orbit
Owner/State GSFC/US
Large Constellations
Loading constellations...