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AstDyS ∴ Objects ∴ 1997SH9 ∴ Observational info
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(312959) 1997SH9  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 8093.85 days
Unobserved 305 days

 

Astrometry summary
Optical
RMS of residuals 0.59"
First observation 1997-09-27.437
Last observation 2019-11-25.289
Number (Discarded) 163 (2)

 

Get the observational details
ASCII file

 

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