The discovery of (*) Sedna and Eris helped cause a change in the classification of this body because it does not "clear the neighborhood" of its orbit.
The discovery of one satellite of this object was confirmed by a five year period of regular solar eclipses viewed from it. After the Hubble Telescope discovered a fifth body orbiting this body in 2012, the flight path of the New Horizons spacecraft may have to be diverted on approach in 2015. The discovery of (*) Sedna and Eris helped cause a change in the classification of this body because it does not "clear the neighborhood" of its orbit. Charon is one of this body's moons, and it was discovered by Clyde Tombaugh. For 10 points, name this dwarf planet formerly known as the ninth planet of the solar system.
The discovery of one satellite of this object was confirmed by a five year period of regular solar eclipses viewed from it.
134340 Pluto