>>I just read this article about a few other new planets, and they did not mention Sedna. I thought they suspect it too had a small moon.
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>>http://www.physorg.com/news6914.html
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>Sedna, and another asteroid discovered a few hours before the "tenth planet", are both smaller than Pluto. The "tenth planet" is believed to be slightly larger than Pluto.
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>Pluto itself was believed to be much larger. Now, its status as a planet is questioned by many - which meas that the planet status of the "tenth planet" might also be doubtful.

I, too, have heard similar debets.