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AstDyS ∴ Objects ∴ Ulla ∴ Observational info
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(909) Ulla  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 38940.2 days
Unobserved 80 days

 

Astrometry summary
Optical
RMS of residuals 0.48"
First observation 1912-02-08.880
Last observation 2018-09-20.063
Number (Discarded) 2121 (55)

 

Get the observational details
ASCII file

 

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





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