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 26058.08184900 .00000110 00000-0 00000+0 0 9998
2 41937 2.0392 39.8721 0002431 292.2961 235.0934 1.00271712 33499
Epoch: Feb 27, 2026 •
Age: 21 hours
Current Status
Altitude 35795.6 km
Velocity 3.07 km/s
Sub-Earth Point 1.57°N,
20.92°E
Launch Date Jan 21, 2017
Age 9.1 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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