Universe Guide


Haumea is a Kuiper Belt object, a large rock that orbits round outside the orbit of Neptune. It has been categorised as a object. It has an alternative name which is 2003 EL61.

Haumea was discovered on 2003-03-07 by Sierra Nevada. Its orbit takes 285 Years years to travel round the Sun.

The absolute magnitude of the object is 0.2 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 Aphelion of the object is 51.600 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 34.973 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 122.1 degrees. It is the angle between the Reference Direction and the Ascending Node. It is normally represented by the greek letter Ω. The ascending node is the point in which the object passes north. The descending node is the southern.The Argument of Perihelion is 238.6. 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 216.6, is the angular distance of the planet from the perihelion or aphelion. Ref:Dictionary.The Semi-Major Axis of the orbit is 43.287, which is the furthest point from the centre to the edge of an elliptical point.

The orbital inclination, the angle at which Haumea orbits in relation to the orbital plane is 28.2 degrees. The orbital eccentricity is 0.192, it is the degree at which Haumea orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

The Trans-Neptunian Object Haumea is named after the Hawaiian goddess of childbirth and fertility. It is classed as a dwarf planet as it obeys most of the rules that define a planet but it has not cleared its orbit. It has two moons in orbit round it.

Haumea Facts

TypeKuiper Belt Object
Alternative Name2003 EL61
Date of Discovery2003-03-07
DiscovererSierra Nevada
Orbital Period285 Years
Absolute Magnitude0.2
Aphelion (Furthest)51.600 A.U.
Perihelion (Nearest)34.973 A.U.
Longitude Of Ascending Node122.1
Argument of Perihelion238.6
Mean Anomoly216.6
Semi-Major Axis43.287
Orbital Inclination (degrees)28.2
Orbital Eccentricity0.192

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