It's not a complete all-clear for Earth, however.
Which asteroid poses the biggest threat to Earth in the next 1,000 years?
This stony asteroid, which has an estimated diameter of around 3,600 feet and passed within 1.2 million miles of Earth in 2022, has around a 0.0151% chance of coming within one Earth-moon distance over the next millennium, the team calculated. This makes it around 10 times more likely to impact as the next riskiest in the category, 20236 , which has a 0.
A strike by an asteroid just 2,000 feet in diameter would approach the scale of a global catastrophe, releasing as much as 20,000 megatons of energy — meaning a doubling in asteroid diameter translates to a roughly tenfold increase in impact energy.
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