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(1009) Sirene  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 34551.3 days
Unobserved 320 days

 

Astrometry summary
Optical
RMS of residuals 0.55"
First observation 1923-10-31.840
Last observation 2018-06-06.171
Number (Discarded) 851 (16)

 

Get the observational details
ASCII file

 

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





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