\documentclass[pstricks]{standalone}
\usepackage{pst-sphericaltrochoid}

\begin{document}
\multido{\i=0+10}{73}{%
  \begin{pspicture}(-5,-5)(5,5)
    \psSphericalTrochoid[Sphere,rG=0.5,rR=0.66667,tmax=\i,t=\i,Decran=2000,viewpoint=1000 10 -30 rtp2xyz,w=178]
  \end{pspicture}}
\end{document} 