Large asteroid 2018 AH flew past Earth at 0.77 LD, 2 days before discovery

Large asteroid 2018 AH flew past Earth at 0.77 LD, 2 days before discovery

A relatively large newly discovered asteroid designated 2018 AH flew past Earth at 0.77 LD / 0.00199 AU (~297 699 km / 184 982 miles) on January 2, 2018. This is the 1st known asteroid to flyby Earth within 1 LD this year, 54th since January 1, 2017 and the largest…