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Jupiter LXX

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(Redirected from S/2017 J 9) Outer moon of Jupiter
Jupiter LXX
Discovery
Discovered byScott S. Sheppard et al.
Discovery date2017
Designations
DesignationJupiter LXX
Alternative namesS/2017 J 9
Orbital characteristics
Semi-major axis21487000 km
Eccentricity0.229
Orbital period (sidereal)−639.2 days
Mean anomaly259.5°
Inclination152.7°
Longitude of ascending node306.4°
Argument of perihelion317.7°
Satellite ofJupiter
GroupAnanke group
Physical characteristics
Mean diameter3 km
Apparent magnitude22.8

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

  1. S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line
  2. "MPEC 2018-O17 : S/2017 J 9". Minor Planet Center. International Astronomical Union. Retrieved 17 July 2018.
  3. ^ 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
Categories: