'Spooky' buzzed by Earth on Halloween. Now asteroid 2003 SD220 will zoom by on Christmas Eve. And guess what it's made of?

The Answer: COAL! Well space coal. More exact, carbonaceous chondrites. Appropriate, given what bad dude and dudette's receive in their stockings.

It's estimated to be a half-mile to a mile-and-a-half wide. It will zoom by earth at five miles-per-second. No need to head for the bunker. It will miss us by a cool 6.7 million miles.

You can see it with a telescope, and a little astronomy experience to find it.

The asteroid will make five fly-by's of earth in the next 12 years. The next go around will be in 2018.

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