About USA 61
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 20691U 90050C 26049.27013994 .00002997 00000-0 22422-3 0 9990
2 20691 63.2953 172.3864 0883162 82.8794 287.1701 13.61833971 90103
Epoch: Feb 18, 2026 •
Age: 12 hours
Current Status
Altitude 1613.3 km
Velocity 6.79 km/s
Sub-Earth Point -56.68°S,
55.84°E
Launch Date Jun 8, 1990
Age 35.6 years
Type military
Technical Details
Classification Payload
Mass 400.00 kg
Dry Mass 400.00 kg
Total Mass 400.00 kg
Length 1.00 m
Diameter 1.00 m
Span 10.00 m
Shape Box + Ant
Manufacturer NRL
Bus Type NOSS B SSU
Phase Status In Orbit
Owner/State NRO/NRL/US
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