About GPS IIA-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 20959U 90103A 26065.59688240 -.00000053 00000-0 00000+0 0 9997
2 20959 56.1141 55.1824 0021602 86.9217 273.3254 1.88155403253937
Epoch: Mar 6, 2026 •
Age: 49 hours
Current Status
Altitude 21417.7 km
Velocity 3.78 km/s
Sub-Earth Point -55.63°S,
130.64°E
Launch Date Nov 26, 1990
Age 35.2 years
Type navigation
Technical Details
Classification Payload
Mass 860.00 kg
Dry Mass 860.00 kg
Total Mass 1881.00 kg
Length 2.40 m
Diameter 1.80 m
Span 5.30 m
Shape Box + 2 Pan
Manufacturer RWISB
Bus Type GPS IIA
Phase Status In Orbit
Owner/State AFSSD2/US
Large Constellations
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