AstDyS-2
Asteroids - Dynamic Site
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(457636) 2009BN155  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 4636.82 days
Unobserved 947 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 2009-01-16.498
Last observation 2021-09-27.316
Number (Discarded) 166 (1)

 

Get the observational details
ASCII file

 

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