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 26013.52268557 .00000141 00000-0 00000-0 0 9994
2 41937 1.9600 38.2365 0002121 259.4097 24.4091 1.00272587 33043
Epoch: Jan 13, 2026 •
Age: 6 hours
Current Status
Altitude 35789.6 km
Velocity 3.07 km/s
Sub-Earth Point 0.50°N,
20.91°E
Launch Date Jan 21, 2017
Age 8.9 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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