AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009HC98 ∴ Observational info
Contact »
(257323) 2009HC98  ▹ 
OBSERVATIONAL INFORMATION
◲
Arc information
Arc length 7624.15 days
Unobserved 224 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 2003-04-01.227
Last observation 2024-02-14.375
Number (Discarded) 151 (3)

 

Get the observational details
ASCII file

 

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