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Quaoar


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One of the largest known members of the Kuiper Belt, approximate diameter 1250 km, i.e. half that of Pluto; also known as minor planet (50000). It was discovered in 2002 by the American astronomers Chadwick Aaron Trujillo (1973– ) and Michael Edwards Brown (1965– ). Its orbit has a semimajor axis of 43.41 AU, perihelion 41.70 AU, aphelion 45.12 AU, inclination 8°.0, period 285.97 years.

Subjects: Astronomy and Astrophysics.


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