Asteroid Heading Towards Earth 2024 Chart.  — the dashboard displays the next five earth approaches to within 4.6 million miles (7.5 million kilometers or 19.5 times the distance to the moon); It was discovered only 13 days.

 — imagine if scientists discovered a giant asteroid with a 72% chance of hitting the earth in about 14 years — a space rock so big that it could not only take out a city. It was discovered only 13 days.