About USA 4
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 15226U 84091A 26057.50616146 -.00000949 00000-0 00000+0 0 9999
2 15226 63.0380 96.2614 6535376 282.8137 16.0014 2.00826045 48496
Epoch: Feb 26, 2026 •
Age: 89 hours
Current Status
Altitude 37512.3 km
Velocity 1.77 km/s
Sub-Earth Point 60.01°N,
26.2°W
Launch Date Aug 28, 1984
Age 41.5 years
Type military
Technical Details
Classification Payload
Mass 800.00 kg
Dry Mass 650.00 kg
Total Mass 800.00 kg
Length 7.00 m
Diameter 2.40 m
Span 7.00 m
Shape Cyl + 2 Dish
Manufacturer HSES
Bus Type SDS
Phase Status In Orbit
Owner/State NRO/SAFSP/US
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