S/2003 J 12
|Discovered by||Scott S. Sheppard et al.|
|Avg. distance from the center of its orbital path||17.740 million km|
|How egg-shaped its orbit is
|How long it takes to complete an orbit||482.691 days|
|Angle above the reference plane
|Size and Other Qualities|
|Average distance from its center to its surface||~0.5 km|
S/2003 J 12 is about 1 kilometre in diameter, and orbits Jupiter at an average distance of 17,740,000 km in 482.691 days, at an inclination of 143° to the ecliptic (143° to Jupiter's equator), with an orbital eccentricity of 0.4449.
It is the closest of the farther non-spherical retrograde moons of Jupiter, and does not seem to belong to any group.
References[change | change source]
- IAUC 8089: Satellites of Jupiter 2003 March 7 (discovery)
- 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)