Jon D. Giorgini
Papers
1
Total Citations
68
H-Index
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About
Jon D. Giorgini is a leading figure in planetary astronomy and astrodynamics, best known for his pioneering work in the radar-based characterization and orbital modeling of near-Earth asteroids (NEAs). His research integrates radar and optical observations with sophisticated physical modeling to determine the shapes, spin states, and binary or triple system architectures of potentially hazardous objects. Giorgini’s most-cited paper, “Radar and optical observations and physical modeling of triple near-Earth Asteroid (136617) 1994 CC” (2011, 68 citations), exemplifies his contributions by revealing the first confirmed triple NEA system, demonstrating how radar can resolve complex gravitational interactions. Beyond this, he is a key developer of JPL’s HORIZONS system, a cornerstone ephemeris service used globally for spacecraft navigation, asteroid orbit determination, and observational planning. His work has directly enhanced our ability to predict close approaches and assess impact risks, with his models influencing NASA’s planetary defense strategies. With decades of impact, Giorgini’s research has fundamentally advanced our understanding of small-body dynamics and the structural evolution of near-Earth objects.
Research Focus
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Top Papers
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