About INMARSAT II F-1
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 20918U 90093A 26011.34839718 -.00000276 00000-0 00000-0 0 9990
2 20918 12.9577 7.3393 0008562 336.0845 36.3611 0.98878987 45977
Epoch: Jan 11, 2026 •
Age: 5 hours
Current Status
Altitude 36190.2 km
Velocity 3.06 km/s
Sub-Earth Point 12.82°N,
142.41°E
Launch Date Oct 30, 1990
Age 35.2 years
Type communications
Technical Details
Classification Payload
Mass 1310.00 kg
Dry Mass 624.00 kg
Total Mass 1310.00 kg
Length 2.00 m
Diameter 1.50 m
Span 14.90 m
Shape Box + 2 Pan
Manufacturer BAES/MMST
Bus Type Eurostar 1000
Phase Status Renamed
Owner/State INMAR/I-INM
Large Constellations
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