Donald K. Yeomans

Institution:	Jet Propulsion Laboratory
Role:	Dynamics
Bio:	At the Jet Propulsion Laboratory, Don Yeomans is a Senior Research Scientist, Supervisor for the Solar System Dynamics Group, and Manager of NASA's Near-Earth Object Program Office. He was the Radio Science Team Chief for the Near-Earth Asteroid Rendezvous (NEAR) mission and currently he is the US Project Scientist for the Japanese Hayabusa asteroid sample return mission. His research work is focused upon the physical and dynamical modeling of comets and asteroids. For the Deep Impact mission, he will be responsible for optimizing the ephemeris of comet Tempel 1 and helping to develop the targeting strategy. Don has received 15 NASA Achievement awards including an Exceptional Service Medal and a Space Act Award. Asteroid 2956 was named 2956 YEOMANS to honor his professional achievements.

Biographical details contained on these pages were correct during the Deep Impact mission which ended in 2006. Several scientists from Deep Impact are now working on related missions such as EPOXI and Stardust-NExT.