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(18575) 1997WS31  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 18197.7 days
Unobserved 288 days

 

Astrometry summary
Optical
RMS of residuals 0.65
First observation 1973-09-20.215
Last observation 2023-07-17.875
Number (Discarded) 1714 (358)

 

Get the observational details
ASCII file

 

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