Asteroid
Itokawa
TypeAsteroid
Mass3.51 × 10¹⁰ kg
Diameter0.33 km
Orbital Radius187 million km
Orbital Period556 days
Rotation Period12.13 hours
Known Moons0
Surface Gravity~0.0001 m/s²
AtmosphereNone
Discovered ByLINEAR project
Discovery Year1998
About Itokawa
A peanut-shaped near-Earth asteroid. Visited by Japanese Hayabusa mission in 2005, which returned samples to Earth in 2010. First asteroid samples ever returned. Likely a rubble pile held together by gravity rather than a solid body.
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