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 25322.45348278 .00003627 00000-0 27147-3 0 9999
2 20691 63.2969 59.5377 0885590 81.1218 288.8917 13.61016385 77604
Epoch: Nov 18, 2025 •
Age: 13 hours
Current Status
Altitude 992.5 km
Velocity 7.38 km/s
Sub-Earth Point 6.50°N,
176.91°E
Launch Date Jun 8, 1990
Age 35.4 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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