AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009DQ40 ∴ Observational info
Contact »
(384229) 2009DQ40  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 5881.96 days
Unobserved 169 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 2007-10-11.278
Last observation 2023-11-18.241
Number (Discarded) 170 (3)

 

Get the observational details
ASCII file

 

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