Asteroid (441987) 2010 NY65 passed by the Earth at a distance of 5 972 000 km (15.6 times the average distance between the Earth and the Moon, or 3.99% of the average distance between the Earth and the Sun), slightly before 5.10 am GMT on Friday 25 June 2021. There was no danger of the asteroid hitting us, though had it done so it would have presented a considerable threat. (441987) 2010 NY65 has an estimated equivalent diameter of 94-300 m (i.e. a spherical body with the same mass would be 99-310 m in diameter), and an towards the upper end of this range would pass through the atmosphere and directly impact the ground with a force of about 1110 megatons (about 65 300 times the explosive energy of the Hiroshima bomb), causing devastation over a wide area and creating a crater about 4.6 km across, and resulting in global climatic problems that could last for decades or even centuries.
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