Anne Verbiscer¹, Simon Porter², Susan Benecchi³, J.J. Kavelaars⁴, Harold A Weaver Jr⁵, John R Spencer⁶, Marc W Buie⁶, Bonnie J Buratti⁷, Paul Helfenstein⁸, Alex H Parker², Catherine Olkin⁹, Joel Wm Parker⁶, S Alan Stern¹⁰, Leslie Ann Young⁹, Kimberly Ennico Smith¹¹, Kelsi N Singer⁶ and The New Horizons Science Team, (1)University of Virginia, Charlottesville, VA, United States, (2)Southwest Research Institute Boulder, Boulder, United States, (3)Planetary Science Institute Tucson, Tucson, AZ, United States, (4)National Research Council of Canada, NRC-Herzberg Astronomy and Astrophysics, Victoria, BC, Canada, (5)The Johns Hopkins University, Laurel, MD, United States, (6)Southwest Research Institute, Boulder, CO, United States, (7)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (8)Cornell University, Ithaca, NY, United States, (9)Southwest Research Institute Boulder, Boulder, CO, United States, (10)Southwest Research Institute Boulder, Dept Space Studies, Boulder, CO, United States, (11)NASA Ames Research Center, Moffett Field, CA, United States