AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001QR39 ∴ Observational info
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(109112) 2001QR39  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8774.08 days
Unobserved 40 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 2000-03-12.278
Last observation 2024-03-20.354
Number (Discarded) 786 (2)

 

Get the observational details
ASCII file

 

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