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(21247) 1995YJ1  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 17068.4 days
Unobserved 166 days

 

Astrometry summary
Optical
RMS of residuals 0.44
First observation 1977-02-19.658
Last observation 2023-11-14.109
Number (Discarded) 2954 (16)

 

Get the observational details
ASCII file

 

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