Universe Guide


Ixion is a Kuiper Belt object, a large rock that orbits round outside the orbit of Neptune. It has been categorised as a Plutino object. Its name is derived from Geek God. It has an alternative name which is 2001 Kx76.

Ixion was discovered on 2001-05-22 by Deep Ecliptic Survey. Its orbit takes 248.6269 years to travel round the Sun.

The absolute magnitude of the object is 3.6 which is the brightness of the object. A higher absolute magnitude means that the object is faint whereas a very low number means it is very bright.

The albedo of the object is 15. The Albedo is the amount of radiation that is reflected back into space by the object.

The Aphelion of the object is 49.479 A.U. which is the point in the orbit that is furthest from the object that it is orbit. At this point, it will then return back to the orbit target. The Perihelion of the object is 30.102 A.U. which is the point in the orbit that is closest to the object that it is orbit around. The Longitude of Ascending Node of the object is 71.0 degrees. The Argument of Perihelion is 298.2. It is the angle along the orbit of a planet or other Solar System object as measured from the ascending node (analogous to right ascension and longitude) Ref:Hawaii.

The mean anomoly is 287.1, is the angular distance of the planet from the perihelion or aphelion. Ref:Dictionary.The Semi-Major Axis of the orbit is 39.790, which is the furthest point from the centre to the edge of an elliptical point.

The orbital inclination, the angle at which Ixion orbits in relation to the orbital plane is 19.6 degrees. The orbital eccentricity is 0.243, it is the degree at which Ixion orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

Ixion is named after the Ancient Grecian character Ixion who was punished by being fixed to a spinning wheel by Hades for eternity. Hades was the Grecian God of the Underworld, roughly equivalent to Pluto, the Roman God of the Underworld. Ref: GlyphWeb

The diameter of the planet has been put at anything between a third (430Km) to two thirds (910km) the size of Great Britain (1,407km) based on road distance. Wiki. It is about 40% the size of Pluto.

Path of Ixion Orbit

If the white lines are above, then the path of the object is under the ecliptic. If the white lines are below, the path is above the ecliptic. This refers to the Inclination of the object. The image was created using N.A.S.A. Solar System Dynamics.

Path of Ixion Orbit

Ixion Facts

TypeKuiper Belt Object
Name OriginGeek God
Alternative Name2001 Kx76
Date of Discovery2001-05-22
DiscovererDeep Ecliptic Survey
Orbital Period248.6269
Absolute Magnitude3.6
Aphelion (Furthest)49.479 A.U.
Perihelion (Nearest)30.102 A.U.
Longitude Of Ascending Node71.0
Argument of Perihelion298.2
Mean Anomoly287.1
Semi-Major Axis39.790
Orbital Inclination (degrees)19.6
Orbital Eccentricity0.243

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