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(949) Hel  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 37630.3 days
Unobserved 39 days

 

Astrometry summary
Optical
RMS of residuals 0.37
First observation 1921-03-11.923
Last observation 2024-03-21.259
Number (Discarded) 4691 (35)

 

Get the observational details
ASCII file

 

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