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(455407) 2003ER  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7173 days
Unobserved 589 days

 

Astrometry summary
Optical
RMS of residuals 0.596291
First observation 2003-01-30.37763
Last observation 2022-09-20.557919
Number (Discarded) 153 (0)

 

Get the observational details
Optical observations (ASCII file)

 

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