Cubewano

A cubewano is a main Kuiper belt object, orbiting beyond about 41 AU and not controlled by resonances with the outer planets.

The odd name is derived from the first trans-Neptunian object found, 1992QB1 (nicknamed "Smiley"). Later objects were called "QB1-os", or cubewanos.

This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.