About USA-18
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 16631U 86014H 26004.66513204 .00012349 00000-0 72894-3 0 9997
2 16631 63.2937 129.5620 0773186 109.3273 259.2986 13.89192255321610
Epoch: Jan 4, 2026 •
Age: 20 hours
Current Status
Altitude 926.7 km
Velocity 7.39 km/s
Sub-Earth Point -20.31°S,
34.99°E
Launch Date Feb 9, 1986
Age 39.9 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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