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(9000) Hal  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 17671.5 days
Unobserved 42 days

 

Astrometry summary
Optical
RMS of residuals 0.43
First observation 1975-11-02.909
Last observation 2024-03-21.440
Number (Discarded) 3524 (14)

 

Get the observational details
ASCII file

 

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