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(137078) 1998XZ4  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 8133 days
Unobserved 62 days

 

Astrometry summary
Optical
RMS of residuals 0.617500"
First observation 1998-12-11.42967
Last observation 2021-03-11.194651
Number (Discarded) 453 (8)

 

Get the observational details
Optical observations (ASCII file)

 

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