Rosetta’s trajectory towards asteroid Steins

This diagram shows the approach of Rosetta’s spacecraft to asteroid (2867) Steins on 5 September 2008. Steins is located in the main asteroid belt between the orbits of Mars and Jupiter. The encounter took place during Rosetta’s first incursion into the main asteroid belt while on its way to Comet 67P/Churyumov-Gerasimenko.