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NEODyS ∴ Objects ∴ 1999BY9 ∴ Observational info
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(85867) 1999BY9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 10282 days
Unobserved 158 days

 

Astrometry summary
Optical
RMS of residuals 0.611691
First observation 1995-09-19.42390
Last observation 2023-11-13.485978
Number (Discarded) 727 (7)

 

Get the observational details
Optical observations (ASCII file)

 

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