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Tuesday, January 16, 2018

With Earth barely missed an asteroid the size of MSU

As reported by the minor planet Center of the International astronomical Union, today at about 10 a.m. Moscow time near the earth flew a potentially hazardous asteroid (281375), or 2008 JV19, comparable in size to the Main building of Moscow state University.

photo: pixabay.com

According to various estimates, the diameter of the asteroid is from 140 to 410 meters. 2008 JV19 was opened in 2008 and are classified as potentially dangerous. This does not mean that the probability of collision with our planet is high, however, it is impossible to say that it tends to zero. Potentially dangerous to include objects with diameter exceeding 100 metres, if they cross Earth’s orbit at a distance of less than 0.05 astronomical units, or about 20 times the distance from Earth to the moon. In case of a fall on our planet, such objects capable of causing unprecedented destruction and an enormous tsunami.

At the time of closest approach the distance between (281375) and the Ground today was 17.6 million kilometers. It is worth noting that the last time an asteroid flew past the planet in the past year September 1, 2015, and then he was much closer to her — just 6.5 million miles.

A few months ago, the Earth passed another very large asteroid — 2007 MK6 with a diameter of 200 to 600 meters. The distance was 15.2 million kilometers. In the future, this asteroid, according to experts, does not threaten Earth, but it is possible that he would one day crash into Mars. And next year the Earth will approach a record with a huge asteroid called Faeton, the likely progenitor meteor stream Geminids. He will be at a distance of about 10 million kilometers. Although this time he will not pose a threat to the planet, the further he will fly closer and closer to her.


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