A near miss

On February 15, an asteroid of the size that struck this planet in the past, knocking out that forest in Siberia and making Meteor Crater in Arizona, will pass not only between the earth and the moon but between the earth and the orbit of some of our satellites.Reporting by Cole Hill:

Half the size of a football field, asteroid 2012 DA14 will give the Earth a “record-setting” close shave, passing closer to our planet than many satellites when it buzzes by later this month, NASA scientists announced.

The asteroid is set to whiz past Earth Feb. 15, and will come within 17,200 miles of the planet when it makes its cosmic fly by. Asteroid 2012 DA14 will approach the Earth even closer than the moon, well inside the paths of navigation and communications satellites, according to Space.com.

“This is a record-setting close approach,” Don Yeomans, the head of NASA’s asteroid-tracking program, said in a statement.

“Since regular sky surveys began in the 1990s, we’ve never seen an object this big get so close to Earth.”

Discovered last year by an amateur team of astronomers at the La Sagra Sky Survey observatory in Spain, the asteroid measures roughly 164 feet across. Yeomans emphasized that while the approach of 2012 DA14 will bring it closer than the geosynchronous satellites orbiting 22,245 miles above Earth, there’s no real threat of the asteroid colliding with the planet.

“2012 DA14 will definitely not hit Earth. The orbit of the asteroid is known well enough to rule out an impact,” said Yeomans, who heads the Near-Earth Object Program at NASA’s Jet Propulsion Laboratory in Pasadena, Calif. The odds that the asteroid could slam into a satellite are also “extremely remote,” he added.

Asteroid 2012 DA14 is a fairly typical type of asteroid. Earth comes into “close” contact with such asteroids about every 50 years, and is only hit by them every 1,200 years, Yeomans estimated. The impact of an asteroid like 2012 D14 would not be catastrophic over a wide area, Yeomans said.

NASA officials explained asteroid 2012 DA14 is roughly the same size as the object that exploded in the atmosphere above Siberia in 1908, which leveled hundreds of square miles in what scientists refer to as the “Tunguska Event.”

An asteroid about the same size as 2012 DA14 slammed into the Earth 50,000 years ago, creating the famous Meteor Crater in Arizona, Yeomans said. Although, that asteroid responsible for the Meteor Crater was made of iron, making its impact especially powerful.

via Asteroid 2012 DA14 to Fly By Earth in ‘Record Setting’ Close Shave : Science : Latinos Post.

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What Are Your Thoughts?leave a comment
  • The movie METEOR comes to mind.

  • Joe

    We know not the day or the time …. 🙂

  • Jon

    We had a big one in 1908. That means we are safe until about the year 3100.

  • Klasie Kraalogies

    Jon @ 3 – hmm no.

  • If we get hit…they’ll blame it on Bush…

  • If it too close, we can just quickly hit the “hyperspace” button.