NASA expects the asteroid, dubbed Asteroid 2019 BB5, to pass through Earth on a so-called "Earth approach". The space agency's Jet Propulsion Laboratory (JPL) reduced the overflight by 10:18 GMT (UTC) on Thursday, Feb. 8. News of the asteroid clash comes less than a week after astronomers first observed the space rock toward Earth. NASA first observed Asteroid BB5 on the night of January 30 and the latter tracked on Monday, February 4.
Tomorrow, the asteroid will pass through the planet at amazing speeds of more than 14,270mph or 6.38km per second.
When this happens, the asteroid will reach its closest possible distance from the Earth.
But there is nothing to worry about, even in its closest location, the asteroid BB5 will almost lose our planet in about 4.25 million kilometers.
Near-Earth objects (NEOs), such as the BB5, often pass through the Earth on their journey around the Sun but rarely reach our world.
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NASA explained, "As they orbit the Sun, Near Earth Objects may occasionally approach Earth.
"Note that a narrow passage" astronomically can be very distant in human terms: millions or even tens of millions of miles. "
According to JPL, the Asteroid BB5 measures somewhere in the range of 12-28 m (39 ft to 91.8 ft).
In other words, the asteroid could be up to 14 times larger than a Queen Size bed seven times larger than a Volkswagen Beetle car.
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If the asteroid proves that it is somewhere in the lower end of the estimate, the asteroid is still about 1.4 times the length of a double-decker bus in London.
Asteroids of this size are some of the most populous throughout the solar system and also some of the most unpredictable.
There are currently about 791,515 known asteroids and 3,562 known comets in the depths of space.
NASA said: "With increasing regularity, scientists are discovering asteroids and comets with unusual orbits that bring them closer to Earth and the Sun.
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"Very few of these bodies are potential hazards to Earth, but the more we know and understand them, the better prepared we are to take appropriate action if we are driving.
"Knowing the size, shape, mass, composition, and structure of these objects will help determine the best way to divert a space rock found on a path that threatens the Earth."
The asteroid BB5 will rock safely through Earth tomorrow, but this will not be the last we hear of space rock.
Based on NASA's orbital calculations, the BB5 will pass through Venus in July 2021 and return to Earth in November 2021.
After that, NASA expects recurring approaches up until at least December 2182.