A huge asteroid threatens satellites

The most interesting astronomical event in February is flying around the Earth a small asteroid 2012 DA14, Open year ago (23 February 2012) by the Spanish Observatory of "La Sagra."
Scientists have calculated that in the night of 15 to 16 February 2013 this 44-meter "Cobblestone" weighing about 130 tons of buzz with flies at a distance of 28,000 kilometers from Earth. It's closer than the orbit of geostationary satellites (36,000 km) and is 14 times closer than the distance to the moon (on average 385,000 kilometers).

Within hours, the asteroid will have a brightness of 7,5 m, which will watch it even with binoculars. Speed flight over the sky of about 1 degree per minute.

In addition, for about 20 minutes around midnight Moscow time the asteroid will be in the shadow of the Earth and thus have minimal light pollution. The most favorable conditions for the observation will form the European part of Russia.

Probability of a collision with Earth scientists estimate less than 1%, but some satellites can still be knocked direct clash or be in the wake. An asteroid about the size of (the Tunguska meteorite) exploded over Siberia in 1908. Then the consequences were disastrous.
Category: Factors and accident

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