WASHINGTON — NASA is seeking industry ideas for an asteroid tracking sensor that would launch aboard a geostationary-orbiting satellite as soon as 2016 in what would be the agency’s third hosted payload mission.

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Dan Leone is the NASA reporter for SpaceNews, where he also covers other civilian-run U.S. government space programs and a growing number of entrepreneurial space companies. He joined SpaceNews in 2011.Dan earned a bachelor's degree in public communications...