AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009QZ21 ∴ Observational info
Contact »
(266705) 2009QZ21  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 10475 days
Unobserved 381 days

 

Astrometry summary
Optical
RMS of residuals 0.66
First observation 1994-08-12.277
Last observation 2023-04-17.324
Number (Discarded) 242 (0)

 

Get the observational details
ASCII file

 

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