About DSP F12
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 15453U 84129A 26057.44012841 -.00000040 00000-0 00000-0 0 9991
2 15453 11.6726 321.7279 0003950 309.7842 251.1955 0.98856129 24950
Epoch: Feb 26, 2026 •
Age: 19 hours
Current Status
Altitude 36203.5 km
Velocity 3.06 km/s
Sub-Earth Point 10.13°N,
155.47°W
Launch Date Dec 22, 1984
Age 41.1 years
Type military
Technical Details
Classification Payload
Mass 1680.00 kg
Dry Mass 1600.00 kg
Total Mass 1680.00 kg
Length 7.10 m
Diameter 3.10 m
Span 8.60 m
Shape Cyl + 4 Pan
Manufacturer TRW
Bus Type DSP P2U
Phase Status Unknown Transfer Status
Owner/State AFSD/US
Large Constellations
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