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AstDyS ∴ Objects ∴ 2007ET89 ∴ Observational info
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(489478) 2007ET89  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 6062.12 days
Unobserved 196 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 2007-03-09.161
Last observation 2023-10-13.283
Number (Discarded) 183 (1)

 

Get the observational details
ASCII file

 

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