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(189173) 2002XY4  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 5668 days
Unobserved 1204 days

 

Astrometry summary
Optical
RMS of residuals 0.486440"
First observation 2002-12-05.36698
Last observation 2018-06-12.37934
Number (Discarded) 332 (2)

 

Get the observational details
Optical observations (ASCII file)

 

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