Jupiter LIV

Jupiter LIV, originally known as S/2016 J 1, is an outer natural satellite of Jupiter. It was discovered by Scott S. Sheppard in 2016, but not announced until June 2, 2017 via a Minor Planet Electronic Circular from the Minor Planet Center.^[2] It is about 1 kilometer in diameter and orbits at a semi-major axis of about 20,650,845 km with an inclination of about 139.8°.^[3] It belongs to the Ananke group.^[4]

Jupiter LIV

Precovery images of Jupiter LIV from the Canada-France-Hawaii Telescope in February 2003
Discovery
Discovered by	Scott Sheppard et al.
Discovery date	2017
Designations
Designation	Jupiter LIV
Alternative names	S/2016 J 1
Orbital characteristics [1]
Semi-major axis	20650845 km
Eccentricity	0.141
Orbital period (sidereal)	−602.7 days
Mean anomaly	25.53°
Inclination	139.8°
Longitude of ascending node	293.8°
Argument of perihelion	328.2°
Satellite of	Jupiter
Group	Ananke group
Physical characteristics
Mean diameter	1 km
Apparent magnitude	24.0