About USA 74
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 21799U 91076C 25323.29623529 .00004693 00000-0 37217-3 0 9999
2 21799 63.2983 347.6744 0887777 69.1867 300.1900 13.58748895 75055
Epoch: Nov 19, 2025 •
Age: 7 hours
Current Status
Altitude 716.1 km
Velocity 7.66 km/s
Sub-Earth Point 3.76°N,
77°E
Launch Date Nov 8, 1991
Age 34 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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