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(85839) 1998YO4  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 10449 days
Unobserved 3 days

 

Astrometry summary
Optical
RMS of residuals 0.453929"
First observation 1993-04-25.18628
Last observation 2021-12-03.176572
Number (Discarded) 1621 (7)

 

Get the observational details
Optical observations (ASCII file)

 

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