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(419387) 2009YT21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 4549.93 days
Unobserved 1188 days

 

Astrometry summary
Optical
RMS of residuals 0.64
First observation 2008-09-29.330
Last observation 2021-03-15.260
Number (Discarded) 130 (1)

 

Get the observational details
ASCII file

 

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