Key facts
- Discovered by
- Scott S. Sheppard
- Discovery site
- Mauna Kea Obs.
- Discovery date
- 31 October 2002
- Designation
- Jupiter XLIII
- Pronunciation
- / ˈ ɑːr k iː /
- Named after
- Αρχή Archē
- Alternative names
- S/2002 J 1
- Adjectives
- Archean / ɑːr ˈ k iː ə n /
- Observation arc
- 16 years, 2018-05-12 (last obs)
- Semi major axis
- 22 931 000 km
- Orbital period sidereal
- −723.9 days
- Mean anomaly
- 126.7°
- Inclination
- 165.0°
- Longitude of ascending node
- 350.7°
- Argument of perihelion
- 161.1°
- Satellite of
- Jupiter
- Group
- Carme group
- Mean diameter
- 3 km
via Wikipedia infobox
Article
Arche /ˈɑːrkiː/, also known as Jupiter XLIII, is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaiʻi led by Scott S. Sheppard on 31 October 2002, and received the temporary designation S/2002 J 1.
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.