Arche //, also known as Jupiter XLIII, is a moon of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard on 31 October 2002, and received the temporary designation S/2002 J 1.
|Discovered by||Scott S. Sheppard|
|Discovery site||Mauna Kea Obs.|
|Discovery date||31 October 2002|
|S/2002 J 1|
|Orbital characteristics |
Arche is about 3 kilometres in diameter, and orbits Jupiter at an average distance of 23,717,000 km in 746.185 days, at an inclination of 165° to the ecliptic (162° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.149.
Arche belongs to the Carme group, made up of irregular retrograde moons orbiting Jupiter at a distance ranging between 23 and 24 Gm and at an inclination of about 165°.