Large asteroid to safely pass earth on September 1
(PHYSorg.com Space & Earth)

Asteroid Florence, a large near-Earth asteroid, will pass safely by Earth on Sept. 1, 2017, at a distance of about 4.4 million miles, (7.0 million kilometers, or about 18 Earth-Moon distances). Florence is among the largest near-Earth asteroids that are several miles is size; measurements from NASA`s Spitzer Space Telescope and NEOWISE mission indicate it`s about 2.7 miles (4.4 kilometers) in size.