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1990UN  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 15 days
Unobserved 11080 days

 

Astrometry summary
Optical
RMS of residuals 0.803121"
First observation 1990-10-22.25583
Last observation 1990-11-06.15580
Number (Discarded) 22 (0)

 

Get the observational details
Optical observations (ASCII file)

 

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