About TDRS 12
Group: 3 satellites
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Live Position
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Upcoming Passes
Altitude History
Altitude vs Time
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Two-Line Element Set
1 39504U 14004A 26057.27018390 -.00000279 00000-0 00000-0 0 9999
2 39504 3.8700 17.1323 0004153 265.6538 289.7051 1.00272195 43169
Epoch: Feb 26, 2026 •
Age: 9 hours
Current Status
Altitude 35776.9 km
Velocity 3.08 km/s
Sub-Earth Point -2.33°S,
40.77°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
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