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S/2003 J 23
Sign in to savenatural satellite of Jupiter
Key facts
- Discovered by
- Scott S. Sheppard et al.
- Discovery site
- Mauna Kea Obs.
- Discovery date
- 6 February 2003 (imaged), January 2004 (announced)
- Observation arc
- 22 years, 2025-12-22 (last obs)
- Semi major axis
- 0.1649635 AU (24,678,190 km)
- Orbital period sidereal
- –2.17 yr (–792.00 d)
- Mean anomaly
- 257.08447 °
- Mean motion
- 0° 27 16.361 / day
- Inclination
- 146.15464° (to ecliptic )
- Longitude of ascending node
- 142.40639°
- Argument of perihelion
- 295.73090°
- Satellite of
- Jupiter
- Group
- Pasiphae group
- Mean diameter
- ≈ 2 km
- Albedo
- 0.04 (assumed)
- Absolute magnitude h
- 16.64 (60 obs)
via Wikipedia infobox
~1 min read
Encyclopedic overview
S/2003 J 23 is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaiʻi led by Scott S. Sheppard et al. in 2004 from pictures taken in 2003.
S/2003 J 23 is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 24,700 Mm in about 792 days, at an inclination of 146° to the ecliptic, in a retrograde direction and with an eccentricity of 0.321.
Excerpted from Wikipedia’s “S/2003 J 23” article, available under the CC BY-SA 4.0 licence.