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2009SP  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 3839 days
Unobserved 1498 days

 

Astrometry summary
Optical
RMS of residuals 0.671237
First observation 2009-09-17.22990
Last observation 2020-03-22.35325
Number (Discarded) 138 (5)

 

Get the observational details
Optical observations (ASCII file)

 

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