Sedna Orbit

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  • In the second panel, Sedna is shown well outside the orbits of the outer planets and the more distant Kuiper Belt objects. Sedna's full orbit is illustrated in the third panel along with the object's current location. Sedna is nearing its closest approach to the Sun; its 10,000-year orbit typically takes it to far greater distances.
  • The extremely elliptical orbit of Sedna is unlike anything previously seen by astronomers; however, it resembles that of objects predicted to lie in the hypothetical Oort cloud. The cloud is thought to explain the existence of certain comets. It is believed to surround the Sun and extend outward halfway to the star closest to the Sun.
  1. Planet Sedna Orbit
  2. Sedna Orbit Animation
  3. Sedna Orbital Period
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Original file ‎(SVG file, nominally 2,499 × 2,499 pixels, file size: 699 KB)

Summary

Description

These four panels show the location of trans-Neptunian object90377 Sedna, which lies in the farthest reaches of the Solar System.[1] Each panel, moving clockwise from the upper left, successively zooms out to place Sedna in context.

The first panel shows the orbits of the inner planets and Jupiter; and the asteroid belt.

In the second panel, Sedna is shown well outside the orbits of Neptune and the Kuiper belt objects.

Sedna's full orbit is illustrated in the third panel along with the object's location in 2004, nearing its closest approach to the Sun.

The final panel zooms out much farther, showing that even this large elliptical orbit falls inside what was previously thought to be the inner edge of the spherical Oort cloud: a distribution of cold, icy bodies lying at the limits of the Sun's gravitational pull. Sedna's presence suggests that the previously speculated inner disk on the ecliptic does exist.
DateMarch 15, 2004 (original image), August 2006 (SVG conversion)
SourceSVG version of Image:Oort cloud Sedna orbit.jpg, which lists the following sources: [1][2]Splitzer Space Telescope Released Images about Sedna
Author
  • Image courtesy of NASA / JPL-Caltech / R. Hurt
  • Original text courtesy of NASA / JPL-Caltech
  • SVG conversion by Holek
Permission
(Reusing this file)		Public domain, see below
Other versions

Derivative works of this file:

  • Oort cloud Sedna orbit pt.svg
  • Oort cloud Sedna orbit zh-tw.svgJPEG version, French version

Planet Sedna Orbit

  1. ↑Most Distant Object in Solar System Discovered. Press release: Jet Propulsion Laboratory. March 15, 2004.

Licensing

Earth’s year takes 365 days and moves through the four seasons during this time. Due to Sedna’s long, elliptical orbit, it takes approximately 11,500 Earth years for Sedna to orbit the Sun. Its location in space is so distant that we are forced to consider worlds far beyond that of Earth’s solar system. The long cyan oval indicates the orbit of Sedna, the red dot shows the current position of Sedna in its orbit. The elliptical orbit of Sedna is unlike anything previously seen by astronomers. It resembles the orbits of objects predicted to lie in the hypothetical Oort cloud-a distant reservoir of comets. But Sedna is 10 times closer than the predicted distance of the Oort cloud.

The original image

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SVG version

Sedna Orbit
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Sedna Orbit

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Sedna Orbit Animation

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File history

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Date/TimeThumbnailDimensionsUserComment
current00:53, 2 August 20102,499 × 2,499 (699 KB)Masamunecyrus~commonswikiAdded Neptune (let's try this again)
00:52, 2 August 20102,499 × 2,499 (703 KB)Masamunecyrus~commonswikiReverted to version as of 13:35, 26 August 2006
00:29, 2 August 20102,499 × 2,499 (705 KB)Masamunecyrus~commonswikiAdded Neptune
13:35, 26 August 20062,499 × 2,499 (703 KB)Holeksmaller file
15:19, 21 August 20062,499 × 2,499 (2.19 MB)HolekSVG version of Image:Oort_cloud_Sedna_orbit.jpg. [Category:Sedna]]

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Sedna Orbital Period

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