NASA’s Center for Near-Earth Object Studies (CNEOS) is currently monitoring a miniature swarm of four asteroids currently heading towards Earth, two of which were only detected on January 1.

CNEOS is tasked with watching the skies for any potentially hazardous asteroids, but given the vastness of space, that’s a lot of sky to check which may explain why two of the four asteroids were only spotted yesterday.

2020 AC, with a diameter of roughly 89 feet and traveling at approximately 13,000 miles per hour, will lead the charge, flying past the Earth at 1:56 am EST.

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