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 26062.15606417 .00007151 00000-0 53874-3 0 9991
2 21799 63.2950 69.0025 0885390 71.1762 298.3130 13.60177464 89174
Epoch: Mar 3, 2026 •
Age: 21 hours
Current Status
Altitude 1450.2 km
Velocity 6.94 km/s
Sub-Earth Point -50.81°S,
88.81°W
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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