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 26102.79300948 .00003420 00000-0 25092-3 0 9993
2 20691 63.2970 28.1655 0882452 83.9073 286.1669 13.62264427 97396
Epoch: Apr 12, 2026 •
Age: 5 hours
Current Status
Altitude 1392.6 km
Velocity 6.99 km/s
Sub-Earth Point -37.61°S,
162.21°E
Launch Date Jun 8, 1990
Age 35.8 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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