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(333888) 1998ST4  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 7561 days
Unobserved 515 days

 

Astrometry summary
Optical
RMS of residuals 0.439118"
First observation 1998-08-18.56317
Last observation 2019-05-01.53704
Number (Discarded) 1000 (0)

 

Get the observational details
Optical observations (ASCII file)

 

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