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→Orbital characteristics
== Orbital characteristics ==
== Orbital characteristics ==
The most remarkable characteristic of this object is its retrograde motion.<ref name=Hamilton/><ref name=Arnett/> Triton takes 5.876854 Julian days to complete one orbit about Neptune—in a direction opposite to Neptune's own rotation.<ref name=neptunesatfact/> This makes Triton unique among moons large enough for their self-gravity to force them into hydrostatic-equilibrium (that is, spheroidal) shape. Yet Titan's orbit is nearly circular; its eccentricity is the least of those of the thirteen satellites of Neptune and one of the lowest of the orbital eccentricities of all solar system objects.<ref name=neptunesatfact/>
The most remarkable characteristic of this object is its retrograde motion.<ref name=Hamilton/><ref name=Arnett/> Triton takes 5.876854 Julian days to complete one orbit about Neptune—in a direction opposite to Neptune's own rotation.<ref name=neptunesatfact/> This makes Triton unique among moons large enough for their self-gravity to force them into hydrostatic-equilibrium (that is, spheroidal) shape. Yet Triton's orbit is nearly circular; its eccentricity is the least of those of the thirteen satellites of Neptune and one of the lowest of the orbital eccentricities of all solar system objects.<ref name=neptunesatfact/>
== Rotational characteristics ==
== Rotational characteristics ==