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Jupiter LII, originally known as , is a 
natural satellite
A natural satellite is, in the most common usage, an astronomical body that orbits a planet, dwarf planet, or small Solar System body (or sometimes another natural satellite). Natural satellites are colloquially referred to as moons, a deriv ...
of Jupiter
Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a Jupiter mass, mass more than 2.5 times that of all the other planets in the Solar System combined a ...
. It was discovered by Christian Veillet in 2010. It received its permanent number in March 2015. CBET "4075: 20150307: Satellites of Jupiter", March 7, 2015. It takes 1.69 years to orbit around Jupiter, and its average distance is 21.01 million km. Jupiter LII has a diameter of about 1 kilometer and in 2010 it was labeled the smallest known moon in the Solar System to have been discovered from Earth.
It is a member of the Ananke group. With an estimated diameter of , Jupiter LII is one of the smallest known moons of Jupiter.
See also
*S/2009 S 1
S/2009 S 1 is a Rings of Saturn#Propeller_moonlets, moonlet embedded in the outer part of Saturn's Rings of Saturn#B Ring, B Ring, orbiting away from the planet. The moonlet was discovered by the Cassini–Huygens, ''Cassini'' Imaging Team durin ...
, 400 m 'propeller moonlet' of Saturn, discovered by the ''Cassini'' orbiter
References
{{DEFAULTSORT:Jupiter 52 Ananke group Moons of Jupiter Irregular satellites Discoveries by Christian Veillet 20100908 Moons with a retrograde orbit