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(11887) Echemmon  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 25239 days
Unobserved 177 days

 

Astrometry summary
Optical
RMS of residuals 0.59
First observation 1954-11-23.249
Last observation 2023-12-30.247
Number (Discarded) 2543 (273)

 

Get the observational details
ASCII file

 

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