About USA 31
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 19458U 88077A 25275.45491853 -.00000257 00000-0 -15664-1 0 9996
2 19458 27.3012 83.7770 7284011 59.9328 352.6050 2.00897257 10142
Epoch: Oct 2, 2025 •
Age: 65 hours
Current Status
Altitude 37872.1 km
Velocity 1.73 km/s
Sub-Earth Point -21.15°S,
115.67°W
Launch Date Sep 2, 1988
Age 37 years
Type military
Technical Details
Classification Payload
Mass 1000.00 kg
Dry Mass 900.00 kg
Total Mass 1000.00 kg
Length 6.00 m
Diameter 2.50 m
Span 30.00 m
Shape Box + 2 Pan + Dish
Manufacturer TRW
Bus Type Vortex
Phase Status In Orbit
Owner/State NRO/SAFSP/US
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