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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001QR189 ∴ Observational info
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(131453) 2001QR189  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8168.82 days
Unobserved 113 days

 

Astrometry summary
Optical
RMS of residuals 0.45
First observation 2001-08-22.266
Last observation 2024-01-03.082
Number (Discarded) 842 (0)

 

Get the observational details
ASCII file

 

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