| Extrasolarplanet: | yes |
| Jupiter LXVI | |
| Apsis: | astron |
| Discoverer: | Scott S. Sheppard et al. |
| Discovered: | 2017 |
| Mpc Name: | Jupiter LXVI |
| Alt Names: | S/2017 J 5 |
| Orbit Ref: |  [1] |
| Inclination: | 164.3° |
| Eccentricity: | 0.284 |
| Arg Peri: | 11.9° |
| Asc Node: | 118.2° |
| Mean Anomaly: | 77.5° |
| Period: | −719.5 days |
| Satellite Of: | Jupiter |
| Group: | Carme group |
| Magnitude: | 23.5 |
| Mean Diameter: | 2 km |
Jupiter LXVI, originally known as S/2017 J 5, 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 23,232,000 km with an inclination of about 164.3°. It belongs to the Carme group.