About USA 31
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 19458U 88077A 25321.74270661 -.00000437 00000-0 -78843-2 0 9991
2 19458 27.2793 70.8923 7287949 81.2136 347.8460 2.00878852 11076
Epoch: Nov 17, 2025 •
Age: 53 hours
Current Status
Altitude 38646.2 km
Velocity 1.64 km/s
Sub-Earth Point -26.38°S,
80.68°W
Launch Date Sep 2, 1988
Age 37.2 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
Large Constellations
Loading constellations...