Geocyclic

from The Collaborative International Dictionary of English v.0.48

Geocyclic \Ge`o*cyc"lic\, a. [Gr. ge`a, gh^, the earth + ky`klos
   circle.]
   1. Of, pertaining to, or illustrating, the revolutions of the
      earth; as, a geocyclic machine.
      [1913 Webster]

   2. Circling the earth periodically.
      [1913 Webster]