Will Asteroid 2021 DG 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 DG will hit the Earth in the near future. Asteroid 2021 DG 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 DG with the Earth is happening on Wednesday 19 February 2031 at 12:01 UTC time. At that time the closest distance between Asteroid 2021 DG and the Earth is 1,101,887 kilometers, which is a distance equivalent to 2.8660 Lunar Distances, or 172.95 Earth Radii.