Image of 2006 BZ8 four days after closest approach to the Earth (1.347 AU). The interesting thing about this asteroid is that it has a retrograde orbit, the semimajor axis is almost the same as Saturn. The eccentricity is high and the perihelion distance is almost as close as Mars and the aphelion distance is almost out to the orbit of Uranus. This type of orbits are usually associated with comets and it is quite possible that this is an extinct comet nucleus.
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