Rosetta spacecraft meets asteroid Steins


Rosetta asteroid's fly-by - artist's impression
 
On its way to comet 67/P Churyumov-Gerasimenko, Rosetta is targeting two asteroids for study: (2867) Steins, on 5 September 2008, and (21) Lutetia on 10 June 2010.



Release date: 21 July 2009