What is S/2003 J 12?
<!-- Scroll down to edit the contents of this page. Additional parameters for this template are available at [[Template:Infobox Planet]]. --> {{Infobox Planet | name = S/2003 J 12 | bgcolour = #ffc0c0 | discoverer = [[Scott S. Sheppard]] ''et al.'' | discovered = 2003 | mean_orbit_radius = 17.740 million km | period = 482.691 days | inclination = 143° | eccentricity = 0.4449 | mean_radius = ~0.5 km }} '''{{nowrap|S/2003 J 12}}''' is a [[Satellite (natural)|moon]] of [[Jupiter (planet)|Jupiter]], and is one of the smallest known. It was found by a team of astronomers from the [[University of Hawaii]] led by [[Scott S. Sheppard]] in 2003.<ref>[http://cfa-www.harvard.edu/iauc/08000/08089.html IAUC 8089: ''Satellites of Jupiter''] 2003 March 7 (discovery)</ref><ref>[http://cfa-www.harvard.edu/mpec/K03/K03E29.html MPEC 2003-E29: ''S/2003 J 9, 2003 J 10, 2003 J 11, 2003 J 12; S/2003 J 1, 2003 J 6''] 2003 April 3 (discovery and ephemeris)</ref> {{nowrap|S/2003 J 12}} is about 1 kilometre in diameter, and orbits Jupiter at an average distance of 17,740,000&nbsp;km in 482.691 days, at an [[inclination]] of 143°<!--- 142.686° ---> to the [[ecliptic]] (143°<!--- 142.618° ---> to Jupiter's equator), with an [[orbital eccentricity]] of 0.4449. It is the closest of the farther non-[[Sphere|spherical]] retrograde moons of Jupiter, and does not seem to belong to any group. == References == {{reflist}} {{Moons of Jupiter}} {{sci-stub}} [[Category:Jupiter's moons]]