AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009QS4 ∴ Observational info
Contact »
(515002) 2009QS4  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 4865.88 days
Unobserved 519 days

 

Astrometry summary
Optical
RMS of residuals 0.45
First observation 2009-07-28.378
Last observation 2022-11-23.260
Number (Discarded) 177 (0)

 

Get the observational details
ASCII file

 

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