That cocktail-hour moment is the precise time at which asteroid 2005 YU55, a 1,312-ft. (400 m) space rock discovered six years ago, will make its closest approach to Earth.

那个鸡尾酒会时刻是小行星2005 YU55最接近地球的确切时间。小行星2005 YU55是六年前发现的一颗1，312英尺（400米）的一个太空石。

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Lest you think this is science fiction and that no one would ever fund this from a business standpoint, consider the Class M asteroid pictured below.

FORBES: Move up http://i.forbesimg.com t Move down

One asteroid, the 300-m Apophis, will pass relatively close to Earth a number of times in the coming decades, including in 2029.

UNESCO: MEDIA SERVICES

The Deep Space 1 spacecraft is scheduled at 12:46 a.m. to come within 15 kilometers (10 miles) of an asteroid called Braille.

CNN: Spacecraft set for risky asteroid flyby