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AstDyS ∴ Objects ∴ 2009BJ157 ∴ Observational info
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(498983) 2009BJ157  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 5674.89 days
Unobserved 369 days

 

Astrometry summary
Optical
RMS of residuals 0.62
First observation 2007-10-08.449
Last observation 2023-04-22.338
Number (Discarded) 103 (0)

 

Get the observational details
ASCII file

 

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