25143 Itokawa
Asteroid
>
25143 Itokawa is a sub-kilometer near-Earth object of the Apollo group and a potentially hazardous asteroid. It was discovered by the LINEAR program in 1998 and later named after Japanese rocket engineer Hideo Itokawa. Wikipedia
Spectral type: S-type asteroid
Radius: 513.45′
Orbital period: 557 days
Mass: 35 billion kg
Discovered: September 26, 1998
Discoverer: Lincoln Near-Earth Asteroid Research
Density: 1.9 g/cm³