2024 On Asteroid Live Today. Asteroid 2024 on, sized roughly 720 feet in diameter, will safely pass earth today at a distance of 997,793 kilometers—more than 2.5 times the distance between the earth and. Nasa's asteroid tracking efforts ensure planetary defence and advance our understanding of.

Learn about past and future missions, tracking and predicting orbits, and close approaches to earth. This is how the diversity of life on earth came to be.