A ~4200-foot (~1.3 km) asteroid named 2014 JO25 will fly by Earth on April 19, 2017. It will pass at a safe distance of ~1.1 million miles (1.8 million km). Delay-Doppler imagery of the asteroid from the Arecibo Observatory suggests that it is double the size that was previously thought. This will be the closest fly-by of an asteroid this size or bigger since asteroid Toutatis in 2004. (Video updated April 18, 2017 to refect new size discovered with Arecibo Observatory imagery).
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http://www.space.com/36394-big-asteroids-closest-fly-by-in-at-least-400-years-orbit-animation.html Big Asteroid’s Closest Fly-By In At Least 400 Years – Radar Imagery | Video
[bestandroiddoubledinheadunit950.blogspot.com]Big Asteroid’s Closest Fly-By In At Least 400 Years – Radar Imagery | Video
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