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(250465) 2004BY121  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9026.77 days
Unobserved 150 days

 

Astrometry summary
Optical
RMS of residuals 0.48
First observation 1999-03-21.350
Last observation 2023-12-07.119
Number (Discarded) 737 (8)

 

Get the observational details
ASCII file

 

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