Classical Kuiper belt object

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In astronomy a classical Kuiper belt object, also called a cubewano,[1] is a Kuiper belt object (KBO) that orbits beyond Neptune and is not controlled by an orbital resonance with the gas giant. Cubewanos have semi-major axes in the 40-50 AU range and, unlike Pluto, do not cross Neptune‚Äôs orbit.

The name "cubewano" derives from the first trans-Neptunian object (TNO) found after Pluto and Charon, (15760) 1992 QB1. Later similar objects were called "QB1-o's", or "cubewanos".

Objects identified as cubewanos include:

Haumea (2003 EL61) was provisionally listed as a cubewano by the Minor Planet Center in 2006,[3] but is no longer listed as one.[2]

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Magnetar
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Lunar phase
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Ampere
Hoag's Object
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Astronomical distance
Algol
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Right ascension