Astronomy:Jupiter LXX
From HandWiki
| Discovery | |
|---|---|
| Discovered by | Scott S. Sheppard et al. |
| Discovery date | 2017 |
| Designations | |
Designation | Jupiter LXX |
| S/2017 J 9 | |
| Orbital characteristics [1] | |
| 21487000 km | |
| Eccentricity | 0.229 |
| Orbital period | −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 |
| Apparent magnitude | 22.8 |
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.[3]
References
- ↑ S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line
- ↑ "MPEC 2018-O17 : S/2017 J 9". International Astronomical Union. https://minorplanetcenter.net/mpec/K18/K18O17.html.
- ↑ 3.0 3.1 Sheppard, Scott S.. "Jupiter's Moons". https://sites.google.com/carnegiescience.edu/sheppard/moons/jupitermoons.
