Jupiter LXX
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. 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°. It belongs to the Ananke group.
| Discovery | |
|---|---|
| Discovered by | Scott S. Sheppard et al. |
| Discovery date | 2017 |
| Designations | |
Designation | Jupiter LXX |
Alternative names | S/2017 J 9 |
| Orbital characteristics | |
Semi-major axis | 21487000 km |
| Eccentricity | 0.229 |
Orbital period (sidereal) | −639.2 days |
Mean anomaly | 259.5° |
| Inclination | 152.7° |
Longitude of ascending node | 306.4° |
| 317.7° | |
| Satellite of | Jupiter |
| Group | Ananke group |
| Physical characteristics | |
Mean diameter | 3 km |
| 22.8 | |
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