World A ‘potentially hazardous’ asteroid bigger than any building in the world to soon fly past Earth January 13, 2022January 18, 2022 Jordan Mendoza, USA TODAY Comments Off on A ‘potentially hazardous’ asteroid bigger than any building in the world to soon fly past Earth At an estimated 3,600 feet wide, asteroid 1994 PC1 will pass by Earth on Jan. 18 at 4:51 p.m. ET. Don't worry, it's not going to hit us.