About AMSAT-OSCAR-51
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 28375U 04025K 25324.40788184 .00000456 00000-0 14269-3 0 9992
2 28375 98.6326 280.0154 0080869 25.1709 335.3389 14.43705883125450
Epoch: Nov 20, 2025 •
Age: 13 hours
Current Status
Altitude 810.7 km
Velocity 7.43 km/s
Sub-Earth Point -69.74°S,
37.28°E
Launch Date Jun 29, 2004
Age 21.3 years
Type other
Technical Details
Classification Payload
Mass 10.00 kg
Dry Mass 10.00 kg
Total Mass 10.00 kg
Length 0.30 m
Diameter 0.30 m
Span 0.30 m
Shape Box
Manufacturer SPQ
Bus Type Microsat
Phase Status In Orbit
Owner/State AMNA/US
Large Constellations
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