Thursday, July 15, 2010

Predicting Apophis' Earth Encounters in 2029 and 2036

Predicting Apophis' Earth Encounters in 2029 and 2036: "Predicting Apophis' Earth Encounters in 2029 and 2036
SUMMARY

Researchers at NASA/JPL, Caltech, and Arecibo Observatory have released the results of radar observations of the potentially hazardous asteroid 99942 Apophis, along with an in-depth analysis of its motion. The research will affect how and when scientists measure, predict, or consider modifying the asteroid's motion. The paper has been accepted for publication in the science journal 'Icarus' and was presented at the AAS/DPS conference in Orlando, Florida in October of 2007. The Apophis study was led by Jon Giorgini, a senior analyst in JPL's Solar System Dynamics group and member of the radar team that observed Apophis."

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