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(329618) 2003ON21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8447.1 days
Unobserved 163 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 2000-10-01.251
Last observation 2023-11-17.351
Number (Discarded) 237 (3)

 

Get the observational details
ASCII file

 

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