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(100026) 1990ST9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 12014.1 days
Unobserved 261 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1990-09-14.186
Last observation 2023-08-06.277
Number (Discarded) 1066 (6)

 

Get the observational details
ASCII file

 

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