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 26063.24784494 .00003738 00000-0 14865-2 0 9992
2 37818 62.8201 191.5712 4628812 280.5484 32.1797 6.15041768318331
Epoch: Mar 4, 2026 •
Age: 17 hours
Current Status
Altitude 5672.4 km
Velocity 5.87 km/s
Sub-Earth Point 10.85°N,
46.92°W
Launch Date Sep 27, 2011
Age 14.4 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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