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(309879) 2009DR121  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7119.08 days
Unobserved 800 days

 

Astrometry summary
Optical
RMS of residuals 0.64
First observation 2002-10-10.202
Last observation 2022-04-07.280
Number (Discarded) 224 (3)

 

Get the observational details
ASCII file

 

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