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(909) Ulla  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 40899.4 days
Unobserved 77 days

 

Astrometry summary
Optical
RMS of residuals 0.41
First observation 1912-02-08.880
Last observation 2024-01-31.278
Number (Discarded) 4945 (44)

 

Get the observational details
ASCII file

 

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