Jupiter LXVIII

Jupiter LXVIII, provisionally known as S/2017 J 7, 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 20,627,000 km with an inclination of about 143.4°.^[3] It belongs to the Ananke group.

Jupiter LXVIII

Discovery
Discovered by	Scott Sheppard et al.
Discovery date	2017
Designations
Designation	Jupiter LXVIII
Alternative names	S/2017 J 7
Orbital characteristics [1]
Semi-major axis	20627000 km
Eccentricity	0.215
Orbital period (sidereal)	−602.6 days
Mean anomaly	236.9°
Inclination	143.4°
Longitude of ascending node	321.5°
Argument of periastron	323.5°
Satellite of	Jupiter
Group	Ananke group
Physical characteristics
Mean diameter	2 km
Apparent magnitude	23.6

References

1. S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line
2. "MPEC 2018-O15 : S/2017 J 7". Minor Planet Center. International Astronomical Union. Retrieved 17 July 2018.
3. "Archived copy". Archived from the original on 2017-07-20. Retrieved 2018-07-17.{{cite web}}: CS1 maint: archived copy as title (link)