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(137799) 1999YB  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 11950 days
Unobserved 112 days

 

Astrometry summary
Optical
RMS of residuals 0.471971
First observation 1991-03-20.59949
Last observation 2023-12-08.095389
Number (Discarded) 2367 (3)

 

Get the observational details
Optical observations (ASCII file)

 

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