Simon Porter¹, Ross A Beyer², Carver Jay Bierson³, Paul Schenk⁴, Mark Showalter⁵, Marc W Buie⁶, Anne Verbiscer⁷, John R Spencer⁶, Susan Benecchi⁸, Amanda Marie Zangari⁹, Alex Harrison Parker¹, William B McKinnon¹⁰, Harold A Weaver Jr¹¹, Joel Wm Parker⁶, Kelsi N Singer⁶, Catherine Olkin¹, S Alan Stern¹² and The New Horizons Geology, Geophysics, and Imaging (GGI) Team, (1)Southwest Research Institute Boulder, Boulder, CO, United States, (2)NASA Ames Research Center, Moffett Field, CA, United States, (3)University of California Santa Cruz, Santa Cruz, CA, United States, (4)Lunar and Planetary Institute, Houston, TX, United States, (5)SETI Institute Mountain View, Mountain View, CA, United States, (6)Southwest Research Institute, Boulder, CO, United States, (7)University of Virginia, Charlottesville, VA, United States, (8)Planetary Science Institute Tucson, Tucson, AZ, United States, (9)Unaffiliated, Lexington, MA, United States, (10)Washington Univ, Saint Louis, MO, United States, (11)The Johns Hopkins University, Laurel, MD, United States, (12)Southwest Research Institute Boulder, Dept Space Studies, Boulder, CO, United States