AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009HY18 ∴ Observational info
Contact »
(296422) 2009HY18  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 8789.11 days
Unobserved 608 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1998-09-24.173
Last observation 2022-10-17.281
Number (Discarded) 256 (1)

 

Get the observational details
ASCII file

 

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