Brian D Warner1, Alan W Harris2, Josef Ďurech3, Lance A M Benner4. 1. Center for Solar System Studies / MoreData!, 446 Sycamore Ave., Eaton, CO 80615 USA. 2. MoreData!, La Cañada, CA 91011-3364 USA. 3. Astronomical Institute, Charles University, 18000 Prague, CZECH REPUBLIC. 4. Jet Propulsion Laboratory, Pasadena, CA 91109-8099 USA.