About

USA-18

operational
NORAD ID: 16631 • Int'l Des: 1986-014 • Owner: NRO/NRL • Country: US
LEO
POV Track Ground

About USA-18

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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 25277.45062436 .00016546 00000-0 95336-3 0 9990
2 16631 63.2944 28.3804 0785998 107.5345 261.3097 13.87018800308817
Epoch: Oct 4, 2025 • Age: 9 hours

Current Status

Altitude 486.1 km
Velocity 7.86 km/s
Sub-Earth Point 28.29°N, 123.72°W
Launch Date Feb 9, 1986
Age 39.6 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
Data: planet4589.org

Large Constellations

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