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About USA-18
Group: 3 satellites
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Two-Line Element Set
1 16631U 86014H 26109.54158470 .00008485 00000-0 51675-3 0 9990
2 16631 63.2933 194.2621 0759901 111.3824 257.0008 13.91370894336190
Epoch: Apr 19, 2026 •
Age: 14 hours
Current Status
Altitude 387.1 km
Velocity 7.96 km/s
Sub-Earth Point 47.76°N,
80.76°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
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