"Buffy" the unusual Kuiper Belt Object
From Spaceref.com
A team of astronomers working in Canada, France and the United States have discovered an unusual small body orbiting the Sun beyond Neptune, in the region astronomers call the Kuiper belt. This new object is twice as far from the Sun as Neptune and is roughly half the size of Pluto. The body, temporarily code-named "Buffy", has a highly unusual orbit which is difficult to explain using previous theories of the formation of the outer Solar System.
Now there's a target for 'Beyond Pluto".
Wasn't the new found 10th planet in a inclined orbit around 45 degrees? Maybe there's a connection.