About GalileoSat-21
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 43057U 17079C 26084.05977878 .00000014 00000-0 00000-0 0 9999
2 43057 55.1006 223.8170 0001836 339.6023 20.3481 1.70474529 51558
Epoch: Mar 25, 2026 •
Age: 76 hours
Current Status
Altitude 23228.2 km
Velocity 3.67 km/s
Sub-Earth Point 24.54°N,
114.42°E
Launch Date Dec 12, 2017
Age 8.2 years
Type navigation
Technical Details
Classification Payload
Mass 715.00 kg
Dry Mass 700.00 kg
Total Mass 715.00 kg
Length 2.70 m
Diameter 1.60 m
Span 14.70 m
Shape Box+2 pan
Manufacturer OHB
Bus Type GalileoSat
Phase Status In Orbit
Owner/State GSAEU/I-EU
Large Constellations
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