Epicycles on deferents

This applet shows the position of a planet (the red disk) moving on an epicyle about a deferent moving in a cirlular orbit about another planet (the blue disk).

Speed is multiple of the angular speed of the deferent.
Radius is percentage of the radius of the deferent.

E-mail: dan.sloughter@furman.edu

Last modified: 14:01 UTC Tuesday 07 March 2017