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(2290) Helffrich  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 33688.1 days
Unobserved 30 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1932-02-14.072
Last observation 2024-05-09.128
Number (Discarded) 4936 (46)

 

Get the observational details
ASCII file

 

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