NASA has defined the asteroid called 138971 (2001 CB21) as potentially hazardous, as it will come as close as 4.5 million km.
source https://www.jagranjosh.com/current-affairs/potentially-hazardous-asteroid-heading-towards-earth-1644220042-1
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NASA has defined the asteroid called 138971 (2001 CB21) as potentially hazardous, as it will come as close as 4.5 million km.