25143 Itokawa ( /ˌiːtoʊˈkɑːwə/; Japanese: イトカワ ) is an Apollo and Mars-crosser asteroid. It was the first asteroid to be the target of a sample return mission, the Japanese space probe Hayabusa.
Read more about 25143 Itokawa: Discovery and Naming, Description, Exploration, Surface Features, Analysis of Particles Reported in August 2011