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AstDyS ∴ Objects ∴ Irma ∴ Observational info
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(177) Irma  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 51417.2 days
Unobserved 212 days

 

Astrometry summary
Optical
RMS of residuals 0.50"
First observation 1877-11-08.032
Last observation 2018-08-18.253
Number (Discarded) 2616 (94)

 

Get the observational details
ASCII file

 

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





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