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20000 Varuna - enyclopaedia article

20000 Varuna

Summary: 20000 Varuna is a Kuiper Belt object about 1060 kilometers in diameter, estimated from a combination of thermal and optical measurements [1]. Varuna Artist's impression --> Orbital characteristics Orbit type Kuiper belt Semimajor axis 43.129 AU ...

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20000 Varuna

     From Wikipedia, the free encyclopedia.

20000 Varuna is a Kuiper Belt object about 1060 kilometers in diameter, estimated from a combination of thermal and optical measurements [1].

Varuna
Orbital characteristics
Orbit type Kuiper belt
Semimajor axis 43.129 AU
Eccentricity 0.051
Orbital period 283 Years
Inclination 17.2°
Physical characteristics
Diameter 1060(+180/-220) km
Density ~1 g/cm3
Rotation period 3.17 or 6.34 hours
Albedo 0.038(+0.022/-0.010)
History
Discoverer R. S. McMillan (Spacewatch), 2000
Little is known about Varuna. It has a rotational period of approximately 3.17 hours (or 6.34 hours, depending on whether the light curve is single or double-peaked). It has a density of approximately 1 g/cm3 (as dense as water), which implies that it may not be a fully solid body [1].

It is named after the Hindu god Varuna. It previously had the systematic name 2000 WR106.

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This article is from Wikipedia. This article was up-to-date as of 8 May 2004 - See live article
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