Pallene
| Pallene | |
 Bilden som ledde till Pallenes upptäckt. | |
| Upptäckt | |
|---|---|
| Upptäckare | Carolyn C. Porco |
| Upptäcktsplats | Voyager 2 & Cassini |
| Upptäcktsdatum | 1981 & 2004 |
| Uppkallad efter | Pallene |
| Omloppsbana[1] | |
| Epok: 2004-06-20 | |
| Banmedelradie | 212 283 km |
| Excentricitet | 0,0040 |
| Siderisk omloppstid | 1,1538 dygn |
| Inklination | 0,1810° |
| Måne till | Saturnus |
| Fysikaliska data | |
| Dimensioner | ~4 km medeldiameter |
| Hitta fler artiklar om astronomi med | |
Pallene (från grekiskans Παλλήνη) är en av Saturnus månar. Den går även under namnet Saturnus XXXIII och det tillfälliga namnet S/1981 S 14.
Pallene sågs första gången på en enda bild, tagen av Voyager 2 den 23 augusti 1981. Eftersom det bara fanns en bild så kunde man inte beräkna dess omloppsbana eller bekräfta dess existens förrän rymdsonden Cassini anlände till Saturnus och kunde ta nya bilder av månen 2004.
Mycket lite är känt om månen.
Referenser
- ^ J. N. Spitale et al (2006). ”The Orbits of Saturn's Small Satellites Derived from Combined Historic and Cassini Imaging Observations”. The Astronomical Journal. sid. 132 692-710. doi:. http://www.iop.org/EJ/abstract/1538-3881/132/2/692/.
- The Planetary Society: Pallene
- NASA: Saturnian Satellite Fact Sheet
- Johnston's Archive: Properties of the Planetary Satellites of the Solar System
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Media som används på denna webbplats
Saturn family.jpg
Montage of Saturn and several of its satellites, Dione, Tethys, Mimas, Enceladus, Rhea, and Titan. JPL image PIA01482: Saturn System Montage This montage of images of the Saturnian system was prepared from an assemblage of images taken by the Voyager 1 spacecraft during its Saturn encounter in November 1980. This artist's view shows Dione in the forefront, Saturn rising behind, Tethys and Mimas fading in the distance to the right, Enceladus and Rhea off Saturn's rings to the left, and Titan in its distant orbit at the top.
Montage of Saturn and several of its satellites, Dione, Tethys, Mimas, Enceladus, Rhea, and Titan. JPL image PIA01482: Saturn System Montage This montage of images of the Saturnian system was prepared from an assemblage of images taken by the Voyager 1 spacecraft during its Saturn encounter in November 1980. This artist's view shows Dione in the forefront, Saturn rising behind, Tethys and Mimas fading in the distance to the right, Enceladus and Rhea off Saturn's rings to the left, and Titan in its distant orbit at the top.
S2004s2 040601.jpg
Discovery image of Pallene (S/2004 S 2), a satellite of Saturn. Image taken by the en:Cassini-Huygens probe on June 1, 2004 from 16 Gm. This image has been cropped down from the original.
Discovery image of Pallene (S/2004 S 2), a satellite of Saturn. Image taken by the en:Cassini-Huygens probe on June 1, 2004 from 16 Gm. This image has been cropped down from the original.