Asteroid 2018 CN2 flew past Earth at 0.18 LD, one day before closest approach

A newly discovered asteroid designated 2018 CN2 flew past Earth at a distance of 0.18 LD / 0.00047 AU (~ 70 310 km / 43 689 miles) on February 9, 2018, one day after it was discovered. This is the 12th of 13 known asteroids to flyby Earth within 1 lunar distance…… Read more »