Irish astronomers have discovered a new asteroid 2010-SO16, which revolves around the Earth at a distance of 19 million miles away. According to scientists, the object with a diameter of 400 miles could be formed 4.4 million years ago, during the collision of Earth with a huge celestial body. It could become a satellite of the Earth only 250 thousand years ago. 2010-SO16 is an asteroid from the Apollo’s group.The average speed along the orbit is 30 kilometers per second, and circulation around the Earth takes 365 days.
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