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2011ET4  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 2750 days
Unobserved 1108 days

 

Astrometry summary
Optical
RMS of residuals 0.422838"
First observation 2011-03-02.30120
Last observation 2018-09-11.239371
Number (Discarded) 123 (4)

 

Get the observational details
Optical observations (ASCII file)

 

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