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(415029) 2011UL21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 12562 days
Unobserved 34 days

 

Astrometry summary
Optical
RMS of residuals 0.418207
First observation 1989-10-29.40625
Last observation 2024-03-31.263808
Number (Discarded) 1804 (15)

 

Get the observational details
Optical observations (ASCII file)

 

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