Jupiter LXX
Outer moon of Jupiter
From Wikipedia, the free encyclopedia
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.[3] 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°.[4] It belongs to the Ananke group.[4]
Discoverydate2017
Designation
Jupiter LXXS/2017 J 9
S/2017 J 9 imaged by the Cerro Tololo Observatory's Dark Energy Camera on 26 March 2017 | |
| Discovery | |
|---|---|
| Discovered by | Scott S. Sheppard et al. |
| Discovery date | 2017 |
| Designations | |
Designation | Jupiter LXX |
| S/2017 J 9 | |
| Orbital characteristics [1] | |
| Observation arc | 5 years 2022-10-16 (last obs)[2] |
| 21487000 km | |
| Eccentricity | 0.229 |
| −639.2 days | |
| 259.5° | |
| Inclination | 152.7° |
| 306.4° | |
| 317.7° | |
| Satellite of | Jupiter |
| Group | Ananke group |
| Physical characteristics | |
| 3 km | |
| 22.8 | |
| 16.11 (28 obs)[2] | |