Will Asteroid 2021 BB Impact Earth?
There is some chance that you have reached this page because of some news stating that there is a significant risk that Asteroid 2021 BB will hit the Earth in the near future. Asteroid 2021 BB is in fact known as a Near Earth Object (or NEO), i.e. an asteroid whose orbit is close to intersect Earth's orbit. These asteroids are monitored very closely and, thanks to high precision position observations and celestial mechanic computations, their orbit is usually known with a high level of precision.
In fact, considering the next 10 years, the closest approach of Asteroid 2021 BB with the Earth is happening on Monday 14 January 2030 at 09:44 UTC time. At that time the closest distance between Asteroid 2021 BB and the Earth is 1,795,775 kilometers, which is a distance equivalent to 4.6708 Lunar Distances, or 281.87 Earth Radii.