About USA 253
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 40099U 14043A 25323.89169708 -.00000023 00000-0 00000+0 0 9992
2 40099 4.9473 77.7731 0004207 134.5451 249.8784 0.96772656 25343
Epoch: Nov 19, 2025 •
Age: 75 hours
Current Status
Altitude 36801.6 km
Velocity 3.04 km/s
Sub-Earth Point 2.27°N,
42.72°E
Launch Date Jul 28, 2014
Age 11.3 years
Type military
Technical Details
Classification Payload
Mass 500.00 kg
Dry Mass 500.00 kg
Total Mass 500.00 kg
Length 2.00 m
Diameter 2.00 m
Span 5.00 m
Shape Box + 2 pan
Manufacturer OSCD
Bus Type GeoStar-1
Phase Status In Orbit
Owner/State AFSPC/US
Large Constellations
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