| Jupiter LXX | |
| Discoverer: | Scott S. Sheppard et al. |
| Discovered: | 2017 |
| Mpc Name: | Jupiter LXX |
| Alt Names: | S/2017 J 9 |
| Orbit Ref: |  [1] |
| Inclination: | 152.7° |
| Eccentricity: | 0.229 |
| Arg Peri: | 317.7° |
| Asc Node: | 306.4° |
| Mean Anomaly: | 259.5° |
| Period: | −639.2 days |
| Satellite Of: | Jupiter |
| Group: | Ananke group |
| Magnitude: | 22.8 |
| Mean Diameter: | 3 km |
Jupiter LXX, originally known as S/2017 J 9, 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 3 kilometers in diameter and orbits at a semi-major axis of about 21,487,000 km with an inclination of about 152.7°.[3] It belongs to the Ananke group.