I read the its magnitude is +19
too faint for me
http://science.nasa.gov/headlines/y2005/29jul_planetx.htm?list775262

"Kevin Fetter" <kfetter@...> schrieb:

>Hi Peter
>
>Here's the orbital data on it, from the minor planet centre
>
>http://cfa-www.harvard.edu/mpec/K05/K05O41.html