Will Asteroid 2021 CD 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 CD will hit the Earth in the near future. Asteroid 2021 CD 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 CD with the Earth is happening on Saturday 29 January 2028 at 02:49 UTC time. At that time the closest distance between Asteroid 2021 CD and the Earth is 1,588,731 kilometers, which is a distance equivalent to 4.1323 Lunar Distances, or 249.37 Earth Radii.