About MUOS 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 40887U 15044A 26066.15808685 -.00000093 00000-0 00000+0 0 9994
2 40887 4.1387 41.5407 0058428 358.3662 256.8326 1.00271946 38534
Epoch: Mar 7, 2026 •
Age: 12 hours
Current Status
Altitude 35568.6 km
Velocity 3.09 km/s
Sub-Earth Point 1.82°N,
75.22°E
Launch Date Sep 2, 2015
Age 10.5 years
Type other
Technical Details
Classification Payload
Mass 6800.00 kg
Dry Mass 3800.00 kg
Total Mass 6800.00 kg
Length 7.90 m
Diameter 4.30 m
Span 28.70 m
Shape Box + 2 Pan + Dish
Manufacturer LMSS/LMCSS
Bus Type A2100
Phase Status In Orbit
Owner/State SPAWSD/US
Large Constellations
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