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 25312.51794175 .00000496 00000-0 00000-0 0 9999
2 15226 62.9781 106.8846 6499815 282.9662 16.2239 2.00970902 46283
Epoch: Nov 8, 2025 •
Age: 296 hours
Current Status
Altitude 25875.6 km
Velocity 3.11 km/s
Sub-Earth Point 35.67°N,
95.39°W
Launch Date Aug 28, 1984
Age 41.2 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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