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 26062.27230352 .00002851 00000-0 11366-2 0 9991
2 37818 62.8204 192.2379 4628940 280.5185 32.1941 6.15034089318273
Epoch: Mar 3, 2026 •
Age: 22 hours
Current Status
Altitude 2911.0 km
Velocity 7.36 km/s
Sub-Earth Point 2.18°N,
58.81°E
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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