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 26059.21935655 -.00000018 00000-0 00000-0 0 9996
2 20959 56.1080 55.4004 0021517 87.1159 273.1537 1.88155196253813
Epoch: Feb 28, 2026 •
Age: 109 hours
Current Status
Altitude 21297.5 km
Velocity 3.80 km/s
Sub-Earth Point 34.23°N,
87.93°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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