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(7) Iris  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 62912.1 days
Unobserved 322 days

 

Astrometry summary
Optical
RMS of residuals 0.47"
First observation 1848-08-08.119
Last observation 2020-11-06.212
Number (Discarded) 5634 (179)
Radar
First observation 1980-10-01.119
Last observation 1980-10-01.151
Total (Discarded) 2 (0)

 

Get the observational details
ASCII file

 

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