AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001QQ20 ∴ Observational info
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(275780) 2001QQ20  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8020.93 days
Unobserved 301 days

 

Astrometry summary
Optical
RMS of residuals 0.60
First observation 2001-07-22.386
Last observation 2023-07-08.317
Number (Discarded) 506 (1)

 

Get the observational details
ASCII file

 

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