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→Orbital characteristics
== Orbital characteristics ==
== Orbital characteristics ==
At 67.7 AU from the [[Sun]], it is the most distant object yet discovered that has the [[Sun]] for a primary. At aphelion, it is far beyond the [[Kuiper belt]] and in what is known as the [[Scatter Disk]] of the [[solar system]]. Because Eris is so distant from [[Earth]] (currently near [[Apsis|aphelion]] and hence three times more distant than is Pluto as of 2008), it has a very long sidereal year of 557 Julian years. Its synodic year is very nearly the same as an [[Earth]] year.
At 67.7 AU from the [[Sun]], it is the most distant object yet discovered that has the [[Sun]] for a primary. At aphelion, it is far beyond the [[Kuiper belt]] and in what is known as the [[scattered disk]] of the [[solar system]]. Because Eris is so distant from [[Earth]] (currently near [[Apsis|aphelion]] and hence three times more distant than is Pluto as of 2008), it has a very long sidereal year of 557 Julian years. Its synodic year is very nearly the same as an [[Earth]] year.
== Surface and atmosphere ==
== Surface and atmosphere ==