About TacSat-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 37818U 11052A 26007.46430021 .00002787 00000-0 98473-3 0 9999
2 37818 62.8242 229.7227 4638548 278.8020 33.1821 6.14695320314900
Epoch: Jan 7, 2026 •
Age: 19 hours
Current Status
Altitude 4296.8 km
Velocity 6.56 km/s
Sub-Earth Point 0.28°N,
145.88°W
Launch Date Sep 27, 2011
Age 14.2 years
Type other
Technical Details
Classification Payload
Mass 460.00 kg
Dry Mass 420.00 kg
Total Mass 460.00 kg
Length 3.00 m
Diameter 1.00 m
Span 10.00 m
Shape Box + 2 Pan + Cone + Dish
Manufacturer NRL/APL
Bus Type TS
Phase Status In Orbit
Owner/State NRL/US
Large Constellations
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