(

provisional designation Provisional designation in astronomy is the naming convention applied to astronomical objects immediately following their discovery. The provisional designation is usually superseded by a permanent designation once a reliable orbit has been calcu ...

) is a trans-Neptunian object that was discovered on April 13, 2004 by

NEAT Neat may refer to: * Neat (bartending), a single, unmixed liquor served in a rocks glass * Neat, an old term for horned oxen * Neat Records, a British record label * Neuroevolution of augmenting topologies (NEAT), a genetic algorithm (GA) for the ...

. It has been listed as a

cubewano A classical Kuiper belt object, also called a cubewano ( "QB1-o"), is a low-eccentricity Kuiper belt object (KBO) that orbits beyond Neptune and is not controlled by an orbital resonance with Neptune. Cubewanos have orbits with semi-major axe ...

by the

Minor Planet Center The Minor Planet Center (MPC) is the official body for observing and reporting on minor planets under the auspices of the International Astronomical Union (IAU). Founded in 1947, it operates at the Smithsonian Astrophysical Observatory. Function ...

. It was discovered on 13 April 2004 by

. It has been observed forty-seven times, with

precovery In astronomy, precovery (short for pre-discovery recovery) is the process of finding the image of an object in images or photographic plates predating its discovery, typically for the purpose of calculating a more accurate orbit. This happens mos ...

images back to 1954. The object has an orbital period of 273.88 years. Its maximum distance from the Sun (aphelion) is 45.62 AU, and its closest (perihelion) is 38.7 AU. It has an inclination of 21.9718° and an eccentricity of 0.082. 2004_GV9-orbit

M. E. Brown estimates that is very likely a dwarf planet. A diameter of has been determined from combined observations of the Herschel and

Spitzer Spitzer is a surname. Notable people with the surname include: * Andre Spitzer (1945–1972), Israeli fencing coach and victim of the Munich massacre * Bernard Spitzer (1924–2014), American real estate developer and philanthropist, father of Eli ...

space telescopes. Tancredi notes that light-curve-amplitude analysis shows only small deviations, suggesting that could be a spheroid with small albedo spots and hence a dwarf planet.Tancredi, G., & Favre, S. (2008
''Which are the dwarfs in the Solar System?''
Depto. Astronomía, Fac. Ciencias, Montevideo, Uruguay; Observatorio Astronómico Los Molinos, MEC, Uruguay. Retrieved 10-08-2011 However, its low albedo suggests it has never been resurfaced and thus is unlikely to have planetary geology.

References

External links

* Classical Kuiper belt objects Discoveries by NEAT Possible dwarf planets 20040413 {{CentaurTNO-stub