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About USA 55
Group: 3 satellites
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Two-Line Element Set
1 20547U 90028B 26111.71160323 .00005265 00000-0 11148-3 0 9997
2 20547 94.0869 111.6611 0055489 354.1197 5.9399 15.43544860993178
Epoch: Apr 21, 2026 •
Age: 10 hours
Current Status
Altitude 443.8 km
Velocity 7.66 km/s
Sub-Earth Point 75.15°N,
154.91°W
Launch Date Apr 5, 1990
Age 36 years
Type military
Technical Details
Classification Payload
Mass 68.00 kg
Dry Mass 68.00 kg
Total Mass 68.00 kg
Length 0.40 m
Diameter 0.40 m
Span 0.40 m
Shape Poly
Manufacturer DSI
Bus Type GLOMR
Phase Status In Orbit
Owner/State DARPA/USN/US
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