About GPS II-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 20302U 89085A 26063.77300620 -.00000002 00000-0 00000+0 0 9991
2 20302 53.9778 187.2673 0008998 72.0288 288.6382 1.89426029256565
Epoch: Mar 4, 2026 •
Age: 38 hours
Current Status
Altitude 21224.4 km
Velocity 3.80 km/s
Sub-Earth Point -4.83°S,
1.38°E
Launch Date Oct 21, 1989
Age 36.3 years
Type navigation
Technical Details
Classification Payload
Mass 776.00 kg
Dry Mass 776.00 kg
Total Mass 1667.00 kg
Length 2.40 m
Diameter 1.80 m
Span 5.30 m
Shape Box + 2 Pan
Manufacturer RWISB
Bus Type GPS II
Phase Status In Orbit
Owner/State AFSSD2/US
Large Constellations
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