SailEphemEarth:

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   Location of Earth relative to Sun in the ecliptic frame.
   For use with FSailCombined.
   See also SunV2 and CEcl2Eq.

   Since version 7.
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   Form:
   rB = SailEphemEarth( jD, d )
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   ------
   Inputs
   ------
   jD        (1,:)     Julian date.
   d          (:)      Data structure - unused.

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   Outputs
   -------
   rB        (3,:)     Position of Earth

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Children:

SC: Ephem/CEcl2Eq
SC: Ephem/SunV2