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 26011.70753981 -.00000929 00000-0 00000-0 0 9999
2 15226 63.0175 100.7228 6520575 282.8369 16.1249 2.00924326 47572
Epoch: Jan 11, 2026 •
Age: 71 hours
Current Status
Altitude 3850.9 km
Velocity 7.93 km/s
Sub-Earth Point -32.18°S,
82.55°E
Launch Date Aug 28, 1984
Age 41.3 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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