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AstDyS ∴ Objects ∴ 1998YB4 ∴ Observational info
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(31390) 1998YB4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 14173.7 days
Unobserved 328 days

 

Astrometry summary
Optical
RMS of residuals 0.60
First observation 1984-08-21.501
Last observation 2023-06-12.196
Number (Discarded) 1813 (280)

 

Get the observational details
ASCII file

 

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