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AstDyS ∴ Objects ∴ 2001YJ21 ∴ Observational info
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(125978) 2001YJ21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 10576.3 days
Unobserved 49 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1995-04-05.254
Last observation 2024-03-19.515
Number (Discarded) 1441 (6)

 

Get the observational details
ASCII file

 

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