Jupiter LXX

Jupiter LXX
Discovery
Discovered by	Scott S. Sheppard et al.
Discovery date	2017
Designations
Designation	Jupiter LXX
Alternative names	S/2017 J 9
Orbital characteristics [1]
Semi-major axis	21487000 km
Eccentricity	0.229
Orbital period	−639.2 days
Mean anomaly	259.5°
Inclination	152.7°
Longitude of ascending node	306.4°
Argument of periastron	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". Minor Planet Center. International Astronomical Union. Retrieved 17 July 2018.
Sheppard, Scott S. "Jupiter's Moons". carnegiescience.edu. sites.google.com. Retrieved 18 July 2018.

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[1] S.S. Sheppard (2019), Moons of Jupiter, Carnegie Science, on line

[mpec-2] "MPEC 2018-O17 : S/2017 J 9". Minor Planet Center. International Astronomical Union. Retrieved 17 July 2018.

[ScottSS-3] Sheppard, Scott S. "Jupiter's Moons". carnegiescience.edu. sites.google.com. Retrieved 18 July 2018.

Moons of Jupiter
Listed in approximately increasing distance from Jupiter. Provisional designations in italics.
Inner moons	Metis Adrastea Amalthea Thebe
Galilean moons	Io Europa Ganymede Callisto
Themisto group	Themisto
Himalia group	Leda Himalia Ersa Pandia Lysithea Elara Dia
Carpo group	Carpo
Valetudo group	Valetudo
Ananke group	S/2003 J 12(?) Euporie Eupheme Jupiter LV Jupiter LII Thelxinoe Euanthe Helike Orthosie Jupiter LXVIII Jupiter LIV Jupiter LXIV Iocaste S/2003 J 16(?) Praxidike Harpalyke Mneme Hermippe Thyone Jupiter LXX Ananke
Carme group	Jupiter LXXII Herse Aitne Kale Taygete Jupiter LXI Chaldene S/2003 J 10(?) Erinome Kallichore Jupiter LXVI Jupiter LXIX Kalyke Carme Jupiter LXIII Pasithee Jupiter LI Eukelade Arche Isonoe S/2003 J 9(?) Eirene
Pasiphae group	Jupiter LXVII Philophrosyne S/2003 J 23(?) Aoede Callirrhoe Eurydome Kore Cyllene Jupiter LVI Jupiter LIX S/2003 J 4(?) Pasiphae Hegemone Sinope Sponde Autonoe Megaclite S/2003 J 2(?)
See also	Rings of Jupiter Jupiter's moons in fiction
Category