AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2004BY138 ∴ Observational info
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(423122) 2004BY138  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9682.91 days
Unobserved 773 days

 

Astrometry summary
Optical
RMS of residuals 0.43
First observation 1995-09-18.257
Last observation 2022-03-23.172
Number (Discarded) 165 (0)

 

Get the observational details
ASCII file

 

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