2019 GT3 is almost as big as a skyscraper, with a diameter of 1,247 feet and will hurtle past Earth at 30,500 miles per hour. If it were to head straight for our planet, it would be too large to break up in the atmosphere and would crash to the ground, likely causing massive damage.
ALSO ON RT.COMCloser than the Moon: 3 giant asteroids whizz by Earth in one dayThe asteroid is due to come within 0.04996 astronomical units or around 4.6 million miles of Earth, placing it squarely in the potentially hazardous asteroid (PHA) category used by astronomers to describe some near-Earth objects that could make “threatening close approaches,” NASA’s Center for Near Earth Object Studies (CNEOS) explains.
Our close encounter with 2019 GT3 comes just weeks after another close call with a “city-killer” asteroid, 2019 OK, which scientists only detected mere hours before it sped by Earth.
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