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 25323.80647479 .00004573 00000-0 14598-2 0 9994
2 37818 62.8259 263.0466 4649027 277.2295 34.0265 6.14246656311919
Epoch: Nov 19, 2025 •
Age: 18 hours
Current Status
Altitude 11228.0 km
Velocity 3.70 km/s
Sub-Earth Point 52.84°N,
144.36°E
Launch Date Sep 27, 2011
Age 14.1 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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