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25143 Itokawa is an Apollo and Mars-crosser asteroid discovered in 1998 by LINEAR. It is named after Hideo Itokawa, a Japanese rocket scientist.
Itokawa is believed to be an S-type asteroid in composition. It has been imaged by radar astronomy at Goldstone, revealing a somewhat elongated shape and a 12.5 hour rotation period.
Itokawa is the target of the Japanese Hayabusa space probe, which will land on and take samples of the asteroid's surface in 2005.
|- | align="center" style="font-size: 90%;" | Vulcanoids | Main belt | Groups and Families | Near-Earth objects | Jupiter Trojans |- | align="center" style="font-size: 90%;" | Centaurs | Trans-Neptunians | Damocloids | Comets | Kuiper Belt | Oort Cloud |- | align="center" style="font-size: 90%;" | (For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system) |- | align="center" style="font-size: 90%;" | (For a complete listing, see: List of asteroids) |}