code: def pjelpl(elin, plane):
      
      assert (isinstance(elin, stypes.Ellipse))
      assert (isinstance(plane, stypes.Plane))
      elout = stypes.Ellipse()
      libspice.pjelpl_c(ctypes.byref(elin), ctypes.byref(plane),
                        ctypes.byref(elout))
      return elout
docs: Project an ellipse onto a plane, orthogonally.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/pjelpl_c.html
  
      :param elin: A SPICE ellipse to be projected.
      :type elin: spiceypy.utils.support_types.Ellipse
      :param plane: A plane onto which elin is to be projected.
      :type plane: supporttypes.Plane
      :return: A SPICE ellipse resulting from the projection.
      :rtype: spiceypy.utils.support_types.Ellipse