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AstDyS ∴ Objects ∴ 2001JY9 ∴ Observational info
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(77558) 2001JY9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11124.1 days
Unobserved 331 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1992-12-24.135
Last observation 2023-06-09.214
Number (Discarded) 892 (6)

 

Get the observational details
ASCII file

 

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