S/2003 J 12

IFA Hawaii

S/2003 J 12 is one of the smaller moons of the planet Jupiter.

Discovery

S/2003 J 12 was discovered on February 8, 2003 by the astronomer Scott S. Sheppard, David C. Jewitt, Yanga R. Fernández and Eugene A. Magnier. The moon has not yet received no official name - these are among the moons of Jupiter usually female figures from Greek mythology - but is in accordance with the Nomenclature of the International Astronomical Union ( IAU) tentatively identified as S/2003 J 12 denotes.

Path data

S/2003 J 12 orbits Jupiter at an average distance of 17,833,000 km in 489.7 days. The track has an eccentricity of 0.4920. With an inclination of 151.140 ° to the ecliptic, the path is retrograde, that is, the moon moves opposite to the direction of Jupiter's rotation around the planet.

S/2003 J 12 is the innermost of the outer irregular moons of Jupiter. He belongs to none of the groups of moons that orbit the planet on similar lines.

Physical data

S/2003 J 12 has a diameter of about 1 km. Its density is estimated to be 2.6 g / cm ³. He is probably made ​​up predominantly of silicate rock. It has a very dark surface with an albedo of 0.04, i.e., only 4% of the incident sunlight is reflected. Its apparent magnitude is 23.9 m.

699188
de