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Rosetta's Asteroid Targets Decided - Universe Today
The European Space Agency announced its decision today for the two asteroids that Rosetta will fly past on its way to meet up with Comet 67P/Churyumov-Gerasimenko. The first target is Steins, which is fairly small; only a few kilometres across - Rosetta will pass it by 1,700 km on Sept. 5, 2008. The second asteroid is Lutetia; a 100 km asteroid which Rosetta will pass within 3,000 km on July 10, 2010. Rosetta will then reach Comet 67P/CG in 2014.