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AstDyS ∴ Objects ∴ 2001RA4 ∴ Observational info
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(139788) 2001RA4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8023.91 days
Unobserved 331 days

 

Astrometry summary
Optical
RMS of residuals 0.50
First observation 2001-06-28.408
Last observation 2023-06-17.320
Number (Discarded) 1517 (10)

 

Get the observational details
ASCII file

 

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