AAS 06-081 Deep Impact Autonomous Navigation: The Trials of Targeting the Unknown Daniel G. Kubitschek, Nickolaos Mastrodemos, Robert Werner, Brian Kennedy, Stephen P. Synnott, George Null, Shyam Bhaskaran, Joseph E. Riedel, and Andrew T. Vaughan NASA – Jet Propulsion Laboratory California Institute of Technology 29th ANNUAL AAS GUIDANCE AND CONTROL CONFERENCE February 4-8, 2006 Sponsored by Breckenridge, Colorado Rocky Mountain Section AAS Publications Office, P.O. Box 28130 - San Diego, California 92198