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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2002QW89 ∴ Observational info
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(172212) 2002QW89  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8941.06 days
Unobserved 435 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1998-08-28.169
Last observation 2023-02-19.231
Number (Discarded) 655 (2)

 

Get the observational details
ASCII file

 

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