Asteroid (415029) 2011 UL21 is one of the largest asteroids to have recently passed near Earth, Masi wrote in a press statement.
Stunning New Details From The Largest Asteroid Impact In A Century
https://www.businessinsider.com/details-from-the-chelyabinsk-meteor-2013-11
Asteroid 2024 MK was first discovered earlier this month, just 13 days before it will pass by Earth at remarkably close range, according to the European Space Agency.
@ecksmc woah thats lowkey terrifying
Asteroid 2011 UL21 falls into a class of space rocks known as "planet killers," which are at least 1.2 miles wide. If one crashed into Earth, it would cause damage on a continental scale, and potentially kick up enough dust to trigger significant climactic changes for many years, LiveScience reported.
https://www.livescience.com/space/asteroids/mountain-size-planet-killer-asteroid-will-make-a-close-approach-to-earth-this-week-and-you-can-watch-it-live