Jupiter LII

Jupiter LII, originally known as S/2010 J 2, is a natural satellite of Jupiter. It was discovered by Christian Veillet in 2010.^[2] It received its permanent number in March 2015.^[3] 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.^[4] It is a member of the Ananke group. With an estimated diameter of 1 km (0.62 mi), Jupiter LII is one of the smallest known moons of Jupiter.^[1]

Discovery image of Jupiter LII on 8 September 2010 (circled)

Jupiter LII

Discovery images taken by the Canada-France-Hawaii Telescope in September 2010
Discovery
Discovered by	Christian Veillet
Discovery date	8 September 2010
Designations
Designation	Jupiter LII
Alternative names	S/2010 J 2
Orbital characteristics [1]
Semi-major axis	20307150 km
Eccentricity	0.307
Orbital period (sidereal)	−588.1 days
Inclination	150.4°
Satellite of	Jupiter
Group	Ananke group
Physical characteristics
Mean diameter	1 km
Apparent magnitude	23.9

See also

• S/2009 S 1, 400 m 'propeller moonlet' of Saturn, discovered by the Cassini orbiter