Name |
December 07 |
December 17 |
December 27 |
Mercury |
043o 37' |
105o 46' |
159o 57' |
Venus |
236o 10' |
252o 05' |
267o 56' |
Earth |
075o 04' |
085o 14' |
095o 25' |
Mars |
182o 47' |
187o 16' |
191o 46' |
Ceres |
115o 04' |
117o 46' |
119o 33' |
Jupiter |
216o 39' |
217o 25' |
218o 11' |
Saturn |
269o 45' |
270o 03' |
279o 21' |
Plot planet positions using polar graph paper
that you can download from this web site - or at that web site create your own.
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This uses a coordinate system called heliocentric longitude where the 0o point is at
the June or Vernal Equinox coordinate of 0 hours Right Ascension. From 0o longitude an object's orbit around the Sun and its
heliocentric longitude increase at a rate determined by the orbital speed of the particular planet. The planet motion is counterclockwise
as the animation below shows.
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