
In one of the closest encounters ever recorded, a delivery-truck size asteroid passed by Earth coming as close as a tenth of the distance of the orbit of communication satellites. Known as 2023 BU, it flew over the southern tip of South America just before 00:30 am GMT.
With a closest approach of 3,600 km (2,200 miles), it was too close for comfort.
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The passing of an asteroid would be a near miss but will not get any chance to hit the Earth, said NASA. The scientists said that even if the asteroid came closer to the earth, the atmosphere would burn most of it and the bigger pieces may fall on earth as meteorites.
The impact hazard assessment system of NASA, called Scout, ruled out any strike quickly, its developer Davide Farnocchia said, who is also an engineer at the Jet Propulsion Laboratory in Pasadena, California of the agency.
“But despite the very few observations, it was nonetheless able to predict that the asteroid would make an extraordinarily close approach with Earth. In fact, this is one of the closest approaches by a known near-Earth object ever recorded,” he added.
The asteroid, which was discovered on Saturday, is also called 2023 BU, and is estimated to be between 11ft (3.5m) and 28ft (8.5m) across.
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Crimea's amateur astronomer Gennady Borisov had first spotted it, who had also discovered an interstellar comet in 2019.
In a few days, astronomers across the world made dozens of observations which allowed them to redefine the path of the asteroid. As it will pass, the asteroid's path will be altered drastically by the gravity of the Earth.
According to NASA, the asteroid instead of circling around the sun every 359 days, will remain for 425 days in an oval orbit.
(With inputs from agencies)
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