The imposing asteroid measures up to 1410 feet (430 m) transversely and quickly closes on Earth. Named 1998 FF14, the asteroid flies to our planet along a trajectory of a near approach. NASA expects FF14 asteroid to arrive near Earth on the morning of September 24th. When this happens, the space rock will fire at a speed of 22.26 km per second or 49 794 m / h (19 169 km / h).
The asteroid FF14 is an Apollo-respectable Earth-based object or NEO orbiting the orbits of the inner circle of the solar system.
Asteroids Apollo follow a trajectory similar to Asteroid 1862 Apollo.
In particular, however, astronomers have classified FF1
NASA classifies all asteroids with a diameter greater than 459 feet (140 m) in diameter as PHA.
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Near-Earth objects can sometimes approach close to Earth
A 2018 report released by the White House Office of Science and Technology outlines the dangers associated with PHA.
The report states: "Larger NEOs larger than 140 meters can cause severe damage to entire regions or continents.
"Such objects would strike the Earth with a minimum energy of over 60 megatons TNT, which is more than the most powerful nuclear device ever tested.
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"Fortunately, they are much less common and easier to detect and easier to detect and than the smaller NEOs. ”
On Tuesday, September 24, the asteroid FF14 will approach our planet around 8.27 am BST (7.27 pm UTC).
The closest cosmic rock will approach our planet from a distance of 0.02780 astronomical units (au).
A single astronomical unit equals the distance from Earth to the Sun – about 93 million miles (149.6 million km).
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The asteroid will F14 to just 2.58 million miles (4.15 million km).  In human terms, flying can seem like a lifetime away.
But on a larger scale of the solar system, the approach of FF14 is almost a leak.
NASA said, "As they orbit the Sun, near-Earth objects can sometimes approach close to Earth.
"Note that the 'near' astronomical passage can be very far in human terms: millions or even tens of millions of kilometers." on September 28, 2026.
The FF14 asteroid will then re-visit in 2033, 2040, 2043 and continue to fly until at least 2196.  NASA does not expect the asteroid to hit Earth on any of these occasions. . Asteroids, Comets and Meteors: Quick Facts and Information:
1. A car-sized asteroid hits the Earth on average at least once a year.
2. As ice comets fly around the solar system, their outer layers sublimate in the heat of the sun and leave behind a glowing trace.
3. NASA estimates that a football-sized asteroid collides with our planet once every 2,000 years or more.
4. A meteor that survives a fiery descent through the earth's atmosphere is known as a meteorite.
5. Some of the larger cosmic rocks in the asteroid belt can be as large as 583 miles