Theos-Talk Archives (August 1997 Message tl00239)

Vincent Beall <vincent@dmv.com> asks:

> I think I follow everything that you and Alan have written, although, it
> seems to me that when the angular position of the Earth become the same
> as Jupiter, at that point the apparent motion of Jupiter would reverse
> in direction. So is the correct time for the beginning of the direct
> phase on the 8th or on the 9th at 1:30 in the afternoon?

I gave a simplified view to communicate the concept. Actually, it is more
complicated because the motions of the planets are elliptical and their
angular velocities are different. My ephemeris shows Jupiter going direct
on October at 9:38pm PDT.