Asteroid 2011 ES4 to pass by Earth on September 1, says NASA
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An asteroid with diameters between 22 and 49 metres will shoot pass Earth in a distance closer than Earth from the Moon on September 1, according to the National Aeronautics and Space Administration (NASA). NASA estimates the asteroid`s relative speed at around 8.16 kilometres per second. The last time asteroid 2011 ES4 flew by the Earth was visible from ground for four days.