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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 often colloquially referred to as ''moons'' ...
of Jupiter
Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a gas giant with a mass more than two and a half times that of all the other planets in the Solar System combined, but slightly less than one-thousandth t ...
. 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 tied with S/2021 J 4 as the smallest-known natural satellite of Jupiter .
See also
*S/2009 S 1
S/2009 S 1 is a moonlet embedded in the outer part of Saturn's B Ring, orbiting away from the planet. The moonlet was discovered by the ''Cassini'' Imaging Team during the Saturnian equinox event on 26 July 2009, when the ''Cassini'' spacecraft ...
, 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