About SBIRS GEO-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 41937U 17004A 25327.30407594 .00000144 00000-0 00000+0 0 9995
2 41937 1.8738 36.0022 0001928 206.6128 310.3037 1.00272484 32539
Epoch: Nov 23, 2025 •
Age: 10 hours
Current Status
Altitude 35788.3 km
Velocity 3.07 km/s
Sub-Earth Point -1.36°S,
20.94°E
Launch Date Jan 21, 2017
Age 8.8 years
Type military
Technical Details
Classification Payload
Mass 4500.00 kg
Dry Mass 2500.00 kg
Total Mass 4500.00 kg
Length 6.00 m
Diameter 2.50 m
Span 25.00 m
Shape Box + 2 Pan
Manufacturer LMSS
Bus Type A2100
Phase Status In Orbit
Owner/State AFSPC/US
Large Constellations
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