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AstDyS ∴ Objects ∴ 1997HM9 ∴ Observational info
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(134396) 1997HM9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9737.94 days
Unobserved 147 days

 

Astrometry summary
Optical
RMS of residuals 0.58
First observation 1997-04-06.317
Last observation 2023-12-04.257
Number (Discarded) 525 (1)

 

Get the observational details
ASCII file

 

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