The most dangerous rock in our solar system is asteroid Bennu.
With a diameter about the height of the Empire State Building, it is as massive as an aircraft carrier. Reflecting only a tiny fraction of the sunlight that shines upon its surface, it is also one of the darkest objects in our solar system. Most other asteroids reflect five times as much.
On September 24, 2182, if humanity takes no steps to prevent it and the odds line up,