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(490416) 2009SD40  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 4990.03 days
Unobserved 346 days

 

Astrometry summary
Optical
RMS of residuals 0.55
First observation 2009-09-16.360
Last observation 2023-05-16.392
Number (Discarded) 131 (2)

 

Get the observational details
ASCII file

 

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