| Jupiter LXIV | |
| Apsis: | astron |
| Discoverer: | Scott S. Sheppard et al. |
| Discovered: | 2017 |
| Mpc Name: | Jupiter LXIV |
| Alt Names: | S/2017 J 3 |
| Orbit Ref: |   |
| Inclination: | 147.9° |
| Eccentricity: | 0.148 |
| Arg Peri: | 171.6° |
| Asc Node: | 82.5° |
| Mean Anomaly: | 91.2° |
| Period: | −606.3 days |
| Satellite Of: | Jupiter |
| Group: | Ananke group |
| Magnitude: | 23.4 |
| Mean Diameter: | 2 km |
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.[1] 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.[2]