Harold A Weaver Jr¹, S. B. Porter², John R Spencer³, S Alan Stern⁴, Anne Verbiscer⁵, Susan Benecchi⁶, R P Binzel⁷, Marc W Buie³, Bonnie J Buratti⁸, Andrew F. Cheng¹, Dale P Cruikshank⁹, William M Grundy¹⁰, J.J. Kavelaars¹¹, Tod Lauer¹², Carey Michael Lisse¹³, Jeffery Moore¹⁴, Catherine Olkin², Alex H Parker¹⁵, J. Wm. Parker², Leslie Ann Young², Amanda Marie Zangari¹⁶ and New Horizons Science Team, (1)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (2)Southwest Research Institute Boulder, Boulder, CO, United States, (3)Southwest Research Institute, Boulder, CO, United States, (4)Southwest Research Institute Boulder, Dept Space Studies, Boulder, CO, United States, (5)University of Virginia, Charlottesville, VA, United States, (6)Planetary Science Institute Tucson, Tucson, AZ, United States, (7)Massachusetts Institute of Technology, Cambridge, MA, United States, (8)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (9)NASA, Moffett Field, CA, United States, (10)Lowell Observatory, Flagstaff, AZ, United States, (11)National Research Council of Canada, NRC-Herzberg Astronomy and Astrophysics, Victoria, BC, Canada, (12)National Optical Astronomy Observatory, Tucson, AZ, United States, (13)JHU-APL, Laurel, MD, United States, (14)NASA Ames Research Center, Moffett Field, United States, (15)Southwest Research Institute Boulder, Boulder, United States, (16)Unaffiliated, Lexington, MA, United States