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(143534) 2003EC21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9397.77 days
Unobserved 101 days

 

Astrometry summary
Optical
RMS of residuals 0.75
First observation 1998-04-23.353
Last observation 2024-01-15.127
Number (Discarded) 1307 (380)

 

Get the observational details
ASCII file

 

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