S/2003 J 23 is a moon of Jupiter. It was found by a team of astronomers from the University of Hawaii 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 22,740,000 km in 700.538 days, at an inclination of 149° to Jupiter's equator), with an orbital eccentricity of 0.3931.
It belongs to the Pasiphaë group, non-spherical retrograde moons orbiting Jupiter at distances ranging between 22,800,000 and 24,100,000 km, and with inclinations ranging between 144.5° and 158.3°.