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(409239) 2004DL21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7239.01 days
Unobserved 143 days

 

Astrometry summary
Optical
RMS of residuals 0.54
First observation 2004-02-17.360
Last observation 2023-12-13.374
Number (Discarded) 177 (1)

 

Get the observational details
ASCII file

 

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