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2009PY  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 4385 days
Unobserved 982 days

 

Astrometry summary
Optical
RMS of residuals 0.648247
First observation 2009-08-13.55378
Last observation 2021-08-15.558313
Number (Discarded) 52 (0)

 

Get the observational details
Optical observations (ASCII file)

 

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