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(16475) 1990QS4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 25214.1 days
Unobserved 113 days

 

Astrometry summary
Optical
RMS of residuals 0.96
First observation 1954-12-22.146
Last observation 2024-01-03.268
Number (Discarded) 7249 (391)

 

Get the observational details
ASCII file

 

Note: The ASCII file is in a format suitable for OrbFit input.