Jupiter LXIII

Jupiter LXIII, provisionally known as S/2017 J 2, is an outer natural satellite of Jupiter. It was discovered by Scott S. Sheppard and his team in 2017, but not announced until July 17, 2018 via a Minor Planet Electronic Circular from the Minor Planet Center.^[2] It is about 2 kilometers in diameter and orbits at a semi-major axis of about 23,303,000 km with an inclination of about 166.4°.^[3] It belongs to the Carme group.

Jupiter LXIII

Precovery images of Jupiter LXIII from the Canada-France-Hawaii Telescope in February 2003
Discovery
Discovered by	Scott Sheppard et al.
Discovery date	2017
Designations
Designation	Jupiter LXIII
Alternative names	S/2017 J 2
Orbital characteristics [1]
Semi-major axis	23303000 km
Eccentricity	0.236
Orbital period (sidereal)	−723.1 days
Mean anomaly	344.4°
Inclination	166.4°
Longitude of ascending node	74.7°
Argument of perihelion	231.9°
Satellite of	Jupiter
Group	Carme group
Physical characteristics
Mean diameter	2 km
Apparent magnitude	23.5