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(154) Bertha  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 48676.5 days
Unobserved 51 days

 

Astrometry summary
Optical
RMS of residuals 0.51"
First observation 1885-07-17.176
Last observation 2018-10-24.654
Number (Discarded) 1900 (77)

 

Get the observational details
ASCII file

 

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





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