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(21969) 1999WJ17  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 15258.4 days
Unobserved 293 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1981-10-01.470
Last observation 2023-07-11.885
Number (Discarded) 2167 (13)

 

Get the observational details
ASCII file

 

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