Jupiter LXIV

Jupiter LXIV, originally known as S/2017 J 3, 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 20,694,000 km with an inclination of about 147.9°. It belongs to the Ananke group.^[1]

Jupiter LXIV

Precovery images of Jupiter LXIV from the Canada-France-Hawaii Telescope in December 2003
Discovery
Discovered by	Scott S. Sheppard et al.
Discovery date	2017
Designations
Designation	Jupiter LXIV
Alternative names	S/2017 J 3
Orbital characteristics [1]
Semi-major axis	20694000 km
Eccentricity	0.148
Orbital period (sidereal)	−606.3 days
Mean anomaly	91.2°
Inclination	147.9°
Longitude of ascending node	82.5°
Argument of periastron	171.6°
Satellite of	Jupiter
Group	Ananke group
Physical characteristics
Mean diameter	2 km
Apparent magnitude	23.4