About USA 74
Group: 3 satellites
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Live Position
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Altitude History
Altitude vs Time
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Two-Line Element Set
1 21799U 91076C 26063.11181322 .00008087 00000-0 60708-3 0 9994
2 21799 63.2952 66.4344 0885355 71.1990 298.2914 13.60191960 89306
Epoch: Mar 4, 2026 •
Age: 12 hours
Current Status
Altitude 446.5 km
Velocity 7.95 km/s
Sub-Earth Point 38.03°N,
110.79°E
Launch Date Nov 8, 1991
Age 34.3 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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