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AstDyS ∴ Objects ∴ 1991RL18 ∴ Observational info
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(42489) 1991RL18  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 12028 days
Unobserved 340 days

 

Astrometry summary
Optical
RMS of residuals 0.48
First observation 1990-06-16.230
Last observation 2023-05-22.257
Number (Discarded) 1783 (10)

 

Get the observational details
ASCII file

 

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