Steven J. Ostro

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51	doi:[removed]j.icarus[removed] Add to Reading List Source URL: neo.jpl.nasa.gov Language: English - Date: 2007-11-13 15:56:47 Aten asteroids 99942 Apophis Planetary defense Celestial mechanics Steven J. Ostro Near-Earth object NEODyS Asteroid Venus Planetary science Astronomy Space
52	PDF Document Add to Reading List Source URL: articles.adsabs.harvard.edu Language: English - Date: 2013-09-27 04:38:37 NASA personnel Steven J. Ostro Asteroid 2 Pallas 52 Europa Comet Mercury 4 Vesta 14623 Kamoun Planetary science Astronomy Main Belt asteroids