About INMARSAT III F-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 24819U 97027A 25279.50019541 .00000045 00000-0 00000+0 0 9997
2 24819 11.0598 39.7485 0008580 81.2221 102.7909 0.99498539103539
Epoch: Oct 6, 2025 •
Age: 17 hours
Current Status
Altitude 35967.5 km
Velocity 3.07 km/s
Sub-Earth Point 10.74°N,
26.04°E
Launch Date Jun 3, 1997
Age 28.3 years
Type communications
Technical Details
Classification Payload
Mass 1068.00 kg
Dry Mass 813.00 kg
Total Mass 1999.00 kg
Length 7.60 m
Diameter 2.30 m
Span 20.70 m
Shape Box + 2 Pan
Manufacturer LMTEW
Bus Type AS4000
Phase Status Renamed
Owner/State INMAR/I-INM
Large Constellations
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