Find USA-18
NORAD ID: 16631 • Int'l Des: 1986-014 • Owner: NRO/NRL • Country: US • operational
LEO
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About USA-18
USA-18 (NORAD 16631) is a satellite launched Feb 9, 1986 by NRO/NRL of US. It operates in LEO orbit with a mass of 200.00 kg.
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Two-Line Element Set
1 16631U 86014H 26190.72117951 .00008209 00000-0 50875-3 0 9994
2 16631 63.2957 325.0913 0751134 112.9653 255.2414 13.92753217347492
Epoch: Jul 9, 2026 •
Age: 24 hours
Current Status
Altitude 974.3 km
Apogee / Perigee N/A
Velocity 7.34 km/s
Sub-Earth Point 11.59°N,
137.03°E
Launch Date Feb 9, 1986
Age 40.4 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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