Find USA 77
NORAD ID: 21809 • Int'l Des: 1991-076 • Owner: NRO/NRL • Country: US • operational
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About USA 77
Group: 3 satellites
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Two-Line Element Set
1 21809U 91076E 26149.57439540 .00003182 00000-0 25815-3 0 9990
2 21809 63.2955 207.5061 0899144 74.2983 295.5298 13.56329613101743
Epoch: May 29, 2026 •
Age: 12 hours
Current Status
Altitude 1698.5 km
Velocity 6.72 km/s
Sub-Earth Point -48.69°S,
150.81°E
Launch Date Nov 8, 1991
Age 34.5 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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