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(398016) 2009DR9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11434.2 days
Unobserved 312 days

 

Astrometry summary
Optical
RMS of residuals 0.54
First observation 1992-02-27.274
Last observation 2023-06-18.507
Number (Discarded) 235 (1)

 

Get the observational details
ASCII file

 

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