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(1916) Boreas  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 24752 days
Unobserved 386 days

 

Astrometry summary
Optical
RMS of residuals 0.473449"
First observation 1953-09-01.93331
Last observation 2021-06-09.188863
Number (Discarded) 1781 (12)

 

Get the observational details
Optical observations (ASCII file)

 

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