About USA-18
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 16631U 86014H 26101.06044480 .00011305 00000-0 68108-3 0 9998
2 16631 63.2932 218.1810 0760912 111.2170 257.1854 13.91257341335013
Epoch: Apr 11, 2026 •
Age: 8 hours
Current Status
Altitude 1258.9 km
Velocity 7.07 km/s
Sub-Earth Point -50.46°S,
93.61°E
Launch Date Feb 9, 1986
Age 40.1 years
Type other
Technical Details
Classification Payload
Mass 200.00 kg
Dry Mass 200.00 kg
Total Mass 200.00 kg
Length 0.90 m
Diameter 0.40 m
Span 10.00 m
Shape Box + Ant
Manufacturer MM
Bus Type NOSS SSU
Phase Status In Orbit
Owner/State NRO/NRL/US
Large Constellations
Loading constellations...