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(49841) 1999XN90  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8999.92 days
Unobserved 379 days

 

Astrometry summary
Optical
RMS of residuals 0.50
First observation 1998-08-26.226
Last observation 2023-04-17.144
Number (Discarded) 1511 (10)

 

Get the observational details
ASCII file

 

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