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(274855) 2009RB4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11814 days
Unobserved 507 days

 

Astrometry summary
Optical
RMS of residuals 0.498680
First observation 1990-07-27.36042
Last observation 2022-11-30.384402
Number (Discarded) 505 (2)

 

Get the observational details
Optical observations (ASCII file)

 

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