About PDD Test Mass
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 20564U 90031E 26016.40233814 .00001268 00000-0 13290-3 0 9995
2 20564 89.8474 266.8596 0055399 89.6305 271.1271 14.87824737349506
Epoch: Jan 16, 2026 •
Age: 21 hours
Current Status
Altitude 648.9 km
Velocity 7.52 km/s
Sub-Earth Point -46.37°S,
53.5°E
Launch Date Apr 11, 1990
Age 35.7 years
Type other
Technical Details
Classification Payload
Mass 0.00 kg
Dry Mass 0.00 kg
Total Mass 0.00 kg
Length 0.00 m
Diameter 0.00 m
Span 0.00 m
Manufacturer BALL
Bus Type PDD mass
Phase Status In Orbit
Owner/State AFSSD2/US
Large Constellations
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