Jupiter LXIII, originally 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. 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°. It belongs to the Carme group.
- "MPEC 2018-O10 : S/2017 J 2". Minor Planet Center. International Astronomical Union. Retrieved 17 July 2018.