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° |
Argument of perihelion | 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. 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.
References
- S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line
- "MPEC 2018-O17 : S/2017 J 9". Minor Planet Center. International Astronomical Union. Retrieved 17 July 2018.
- ^ Sheppard, Scott S. "Jupiter's Moons". carnegiescience.edu. Retrieved 18 July 2018.
Moons of Jupiter | |
---|---|
Listed in increasing approximate distance from Jupiter | |
Inner moons | |
Galilean moons | |
Themisto | |
Himalia group (9) | |
Carpo group (2) | |
Valetudo | |
Ananke group (26) | |
Carme group (30) | |
Pasiphae group (18) | |
See also | |