Philophrosyne (måne)
 | Den här artikeln behöver fler eller bättre källhänvisningar för att kunna verifieras. (2020-01) Åtgärda genom att lägga till pålitliga källor (gärna som fotnoter). Uppgifter utan källhänvisning kan ifrågasättas och tas bort utan att det behöver diskuteras på diskussionssidan. |
| Philophrosyne | |
| Upptäckt | |
|---|---|
| Upptäckare | Scott S. Sheppard[1] |
| Upptäcktsdatum | I april 2003[1] |
| Beteckningar | |
| Alternativnamn | S/2003 J 15 |
| Omloppsbana | |
| Halv storaxel | 22 627 000 |
| Excentricitet | 0,1910 |
| Siderisk omloppstid | 687,77 d |
| Inklination | 146,501 |
| Måne till | Jupiter |
| Fysikaliska data | |
| Massa | ~1,5·1013 |
| Medeldensitet | 2,6; |
| Albedo | 0,04 |
| Hitta fler artiklar om astronomi med | |
Philophrosyne , eller Jupiter LVIII, är en av Jupiters månar. Den upptäcktes i april 2003 av Scott S. Sheppard vid University of Hawaii.[1] Månen fick först designationen S/2003 J15. Den är cirka 2 kilometer i diameter och roterar kring Jupiter på ett avstånd av cirka 22 627 000 kilometer.
2019 fick månen det officiella namnet Philophrosyne.
Referenser
- ^ [a b c] ”S/2003 J15” (på engelska). In depth; by the numbers. NASA Science. 5 december 2017. https://solarsystem.nasa.gov/moons/jupiter-moons/s-2003-j15/in-depth/. Läst 14 augusti 2019.
Externa länkar
| ||||||||||||||
Media som används på denna webbplats
Författare/Upphovsman: Tkgd2007, Licens: CC BY-SA 3.0
A new incarnation of Image:Question_book-3.svg, which was uploaded by user AzaToth. This file is available on the English version of Wikipedia under the filename en:Image:Question book-new.svg
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.