An asteroid roughly the size of a Ford F-150 flew less than 300 miles away from Earth last week, setting a record for the closest-known asteroid to fly past the planet without hitting it, NASA announced.
According to the Center for Near-Earth Studies (CNEOS), the space rock, known as 2020 VT4, passed within 240 miles of Earth's surface on Nov. 13 at 5:20 UTC.
It was initially discovered by the Asteroid Terrestrial-impact Last Alert System, which is run by both NASA and the University of Hawaii.
2020 VT4 is considered a Near-Earth Object (NEO) given its close proximity to Earth. However, given its size (between 16 feet and 32 feet wide), it is not considered a "potentially hazardous" NEO and likely would have broken up in the atmosphere.
"Potentially hazardous" NEOs are defined as space objects that come within 0.05 astronomical units and measure more than 460 feet in diameter, according to NASA. According to a 2018 report put together by Planetary.org, there are more than 18,000 NEOs.
In August, a similar-sized asteroid known as 2020 QG flew within 2,000 miles of Earth, which was a record at the time. Although NASA did not spot 2020 QG until it passed the planet, it too would not have caused any damage had it hit Earth, a NASA spokesman previously told Fox News.
In 2018, NASA unveiled a 20-page plan that outlined the steps the U.S. should take to be better prepared for NEOs, such as asteroids and comets that come within 30 million miles of the planet.
In April 2019, NASA awarded a $69 million contract to SpaceX, the space exploration company led by Elon Musk, to help it with asteroid deflection via its DART mission.
NASA Administrator Jim Bridenstine said in April 2019 that an asteroid strike is not something to be taken lightly and is perhaps Earth's biggest threat.