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{{Short description|Outer moon of Jupiter}}
{{Infobox planet
{{Infobox planet
| extrasolarplanet = yes
| name = Jupiter LXX
| name = <!-- Displays on top of infobox-->
| image = <!-- Use bare filename: Example.jpg -->
| image = <!-- Use bare filename: Example.jpg -->
| image_size = <!-- Overrides image size default of 225px -->
| image_size = <!-- Overrides image size default of 225px -->
| image_alt =
| caption =
| caption =
| apsis = astron
| discovery_ref = <!-- <ref>...</ref>-->
| discovery_ref = <!-- <ref>...</ref>-->
| discovery = yes
| discoverer = [[Scott S. Sheppard]] et al.
| discoverer = [[Scott S. Sheppard]] ''et al.''
| discovered = 2017<!--(Date)-->
| discovered = 2017<!--(Date)-->
| mpc_name = Jupiter LXX
| discovery_site =
| alt_names = S/2017 J 9
| discovery_method =
| orbit_ref = &thinsp;<ref>[https://sites.google.com/carnegiescience.edu/sheppard/moons/jupitermoons S.S. Sheppard (2019), Moons of Jupiter, ''Carnegie Science'', on line]</ref>
| alt_names = <!--(Any alternative names for the body)-->
| semimajor = {{val|21487000|u=km}}
| periastron =
| inclination = 152.7°
| apoastron =
| eccentricity = 0.229
| semimajor =
| arg_peri = 317.7°
| avg_speed = <!--(Average orbital speed)-->
| asc_node = 306.4°
| eccentricity = 0.229<ref name="ScottSS">{{cite web |last1=Sheppard |first1=Scott S. |title=Jupiter's Moons |url=https://sites.google.com/carnegiescience.edu/sheppard/moons/jupitermoons |website=carnegiescience.edu |publisher=sites.google.com |accessdate=18 July 2018}}</ref>
| mean_anomaly = 259.5°
| period = 639.2 days<ref name="ScottSS" /><!--(Orbital period)-->
| period = −639.2 days
| inclination = 152.7&deg;<ref name="ScottSS" />
| satellite_of = [[Jupiter]]
| angular_dist =
| group = [[Ananke group]]
| long_periastron = <!--(Longitude of periastron)-->
| magnitude = 22.8
| time_periastron = <!--(Time of periastron)-->
| mean_diameter = 3 km
| semi-amplitude =
| mean_radius = <!--(For planets & large, spheroidal minor planets)-->
| mean_orbit_radius = 21,487,000 km<ref name="ScottSS" />
| surface_area =
| volume =
| density =
| mass =
| surface_grav = <!--Equatorial surface gravity-->
| moment_of_inertia_factor =
| escape_velocity =
| albedo =
| single_temperature =
}}
}}


'''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]].<ref name="mpec">{{cite web|title=MPEC 2018-O17 : S/2017 J 9|url=https://minorplanetcenter.net/mpec/K18/K18O17.html|website=Minor Planet Center|publisher=[[International Astronomical Union]]|accessdate=17 July 2018}}</ref> It is about 3 kilometers in diameter and orbits at a [[semi-major axis]] of about 21,487,000&nbsp;km with an [[orbital inclination|inclination]] of about 152.7°.<ref name="ScottSS" /> It belongs to the [[Ananke group]].<ref name="ScottSS" />
'''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]].<ref name="mpec">{{cite web|title=MPEC 2018-O17 : S/2017 J 9|url=https://minorplanetcenter.net/mpec/K18/K18O17.html|website=Minor Planet Center|publisher=[[International Astronomical Union]]|access-date=17 July 2018}}</ref> It is about 3 kilometers in diameter and orbits at a [[semi-major axis]] of about 21,487,000&nbsp;km with an [[orbital inclination|inclination]] of about 152.7°.<ref name="ScottSS">{{cite web |last1=Sheppard |first1=Scott S. |title=Jupiter's Moons |url=https://sites.google.com/carnegiescience.edu/sheppard/moons/jupitermoons |website=carnegiescience.edu |access-date=18 July 2018}}</ref> It belongs to the [[Ananke group]].<ref name="ScottSS" />


==References==
==References==
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{{Moons of Jupiter}}
{{Moons of Jupiter}}
{{DEFAULTSORT:Jupiter 70}}
⚫
[[Category:Astronomical objects discovered in 2017]]
⚫
[[Category:Discoveries by Scott S. Sheppard]]
⚫
[[Category:Moons of Jupiter]]
[[Category:Ananke group]]
[[Category:Ananke group]]
⚫
[[Category:Moons of Jupiter]]
[[Category:Irregular satellites]]
⚫
[[Category:Discoveries by Scott S. Sheppard]]
⚫
[[Category:Astronomical objects discovered in 2017]]
[[Category:Moons with a retrograde orbit]]

Latest revision as of 23:59, 25 December 2024

Jupiter LXX
Discovery
Discovered byScott S. Sheppard et al.
Discovery date2017
Designations
Designation
Jupiter LXX
S/2017 J 9
Orbital characteristics [1]
21487000 km
Eccentricity0.229
−639.2 days
259.5°
Inclination152.7°
306.4°
317.7°
Satellite ofJupiter
GroupAnanke group
Physical characteristics
3 km
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

[edit]
  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. ^ a b Sheppard, Scott S. "Jupiter's Moons". carnegiescience.edu. Retrieved 18 July 2018.
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