Pandia

Pandia
Upptäckt
UpptäckareScott S. Sheppard
Upptäcktsdatum2017
Beteckningar
AlternativnamnS/2017 J 4
Uppkallad efterPandia
Omloppsbana
Excentricitet0,180[1]
Siderisk omloppstid252,1 dygn[1]
Måne tillJupiter
Fysikaliska data
Diameter3 km[1]
Skenbar magnitud23.0[1]
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Pandia, eller Jupiter LXV, är en av Jupiters naturliga satelliter. Månen fick den provisoriska beteckningen S/2017 J 4 vid upptäckten. Månens diameter är ungefär 3 kilometer. Pandias namn kommer från grekisk mytologi: Pandia (Πανδία) var en dotter till Zeus och Selene och gudinna till fullmåne.[2]

Pandia upptäcktes redan år 2017 men upptäckten publicerades i juli 2018.[3]

Månen hör till Himalia-gruppen eftersom Pandias omloppsbana följer Himalia som är gruppens största måne.

Källor

  1. ^ [a b c d] ”Moon of Jupiter” (på engelska). Scott S. Sheppard. 2020. https://sites.google.com/carnegiescience.edu/sheppard/moons/jupitermoons. 
  2. ^ ”Planet and Satellite Names and Discoverers” (på engelska). The International Astronomical Union. 2020. https://planetarynames.wr.usgs.gov/Page/Planets#JovianSystem. Läst 6 april 2020. 
  3. ^ ”MPEC 2018-O12 : S/2017 J 4” (på engelska). The International Astronomical Union. 17 juli 2018. https://minorplanetcenter.net/mpec/K18/K18O12.html. Läst 6 april 2020. 
Jupiters månar
Adrastea · Aitne · Amalthea · Ananke · Aoede · Arche · Autonoe · Callisto · Callirrhoe · Carme · Carpo · Chaldene · Cyllene · Dia · Eirene · Elara · Erinome · Ersa  · Euanthe · Eukelade · Eupheme · Euporie · Europa · Eurydome · Ganymedes · Harpalyke · Hegemone · Helike · Hermippe · Herse · Himalia · Io · Iocaste · Isonoe · Kale · Kallichore · Kalyke  · Kore · Leda · Lysithea · Megaclite · Metis · Mneme · Orthosie  · Pandia · Pasiphae · Pasithee · Philophrosyne · Praxidike · Sinope · Sponde · Taygete · Thebe · Thelxinoe · Themisto · Thyone · Valetudo
The Galilean satellites (the four largest moons of Jupiter).tif
S/2003 J 2 · S/2003 J 4 · S/2003 J 9 · S/2003 J 10 · S/2003 J 12 · S/2003 J 16 · S/2003 J 18 · S/2003 J 19 · S/2003 J 23 · S/2010 J 1 · S/2010 J 2 · S/2011 J 1 · S/2011 J 2 · S/2016 J 1 · S/2017 J 1 · S/2017 J 2 · S/2017 J 3 · S/2017 J 5 · S/2017 J 6 · S/2017 J 7 · S/2017 J 8 · S/2017 J 9
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The Galilean satellites (the four largest moons of Jupiter).tif

This composite includes the four largest moons of Jupiter which are known as the Galilean satellites. The Galilean satellites were first seen by the Italian astronomer Galileo Galilei in 1610. Shown from left to right in order of increasing distance from Jupiter, Io is closest, followed by Europa, Ganymede, and Callisto.

The order of these satellites from the planet Jupiter helps to explain some of the visible differences among the moons. Io is subject to the strongest tidal stresses from the massive planet. These stresses generate internal heating which is released at the surface and makes Io the most volcanically active body in our solar system. Europa appears to be strongly differentiated with a rock/iron core, an ice layer at its surface, and the potential for local or global zones of water between these layers. Tectonic resurfacing brightens terrain on the less active and partially differentiated moon Ganymede. Callisto, furthest from Jupiter, appears heavily cratered at low resolutions and shows no evidence of internal activity.

North is to the top of this composite picture in which these satellites have all been scaled to a common factor of 10 kilometers (6 miles) per picture element.

The Solid State Imaging (CCD) system aboard NASA's Galileo spacecraft acquired the Io and Ganymede images in June 1996, the Europa images in September 1996, and the Callisto images in November 1997.

Launched in October 1989, the spacecraft's mission is to conduct detailed studies of the giant planet, its largest moons and the Jovian magnetic environment.