This option is ignored for the fourth ephemeris option. Zero always falls at the middle of the plot. It will appear centered above the diagram. Moon Selection Click on the box to the left of each moon that you wish to include in the diagram and in the tabulation. Ring Selection Click on the box to the left of each ring that you wish to include in the diagram.
Rings appear as gray vertical stripes on the plot.
The E Ring is plotted between 3 and 5 Saturnian radii, although it actually extends outward much further.