2000 Fellow

Presented to: Dr. P. Kenneth Seidelmann

Citation: For his leadership in the international revisions of reference systems.

Dr. P. Kenneth Seidelmann is Director of Astrometry at the U.S. Naval Observatory. He was a leader in the international revisions of reference systems. He directed the modernizing of the almanacs and the introduction of electronic almanacs. Dr. Seidelmann edited the "Explanatory Supplement to the Astronomical Almanac." He is a codiscoverer of the Saturn satellite Calypso. He calculated the analemma for the Longwood Gardens Sundial, and prepared the star charts for the Einstein Statues on the National Academy of Sciences grounds in Washington and Jerusalem. He was a member of the Wide Field/Planetary Camera Team of the Hubble Space Telescope. He is chair of the Science Team of the Fullsky Astrometric Mapping Explorer (FAME). Dr. Seidelmann received an E.E., M.S. and Ph.D. degrees and also a Distinguished Alumni Award, from the University of Cincinnati. He is author of over one hundred scientific papers and coeditor of seven books. Ken is president of IAU Division I and the Celestial Mechanics Institute. He is past president of The Institute of Navigation and recipient of the Hays Award. Minor planet 3217 is named "Seidelmann" in his honor.