S/2003 J 12 facts for kids
| Discovery | |
|---|---|
| Discovered by | Scott S. Sheppard et al. |
| Discovery date | 2003 |
| Orbital characteristics | |
|
Mean orbit radius
|
17.740 million km |
| Eccentricity | 0.4449 |
| 482.691 days | |
| Inclination | 143° |
| Physical characteristics | |
|
Mean radius
|
~0.5 km |
S/2003 J 12 is a moon of Jupiter, and is the smallest known. It was found by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2003.
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 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.
Images for kids
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Blink animation of S/2003 J 12 in CFHT precovery images from December 2001
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S/2003 J 12 Facts for Kids. Kiddle Encyclopedia.