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 26009.23055248 -.00000263 00000-0 00000-0 0 9998
2 39504 3.8276 16.2389 0006154 254.1920 240.4827 1.00272165 42688
Epoch: Jan 9, 2026 •
Age: 42 hours
Current Status
Altitude 35807.8 km
Velocity 3.07 km/s
Sub-Earth Point 2.56°N,
40.87°W
Launch Date Jan 24, 2014
Age 11.9 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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