The asteroid named 2019 PK was first spotted flying through space on August 5 this year. Since the first observation, NASA has tracked the asteroid 39 times to determine its size, speed and trajectory. Based on space agency calculations, space rock will shoot past Earth on the morning of Sunday, August 18th. A flying asteroid, NASA said, is classified as "Earth Close it Access ".
Asteroid 2019 PK is an Apollo Object near Earth or NEO.
Apollo-type asteroids fly around the inner circles of the solar system on orbit similar to the 1862 Asteroid. Apollo.
If the space rocks – comets and asteroids – get close enough to Earth and the sun, they are called NEO.
NASA's Center for NEO Studies said, "As they orbit the sun, objects near Earth occasionally approach near Earth."
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Asteroid PK will visit Earth's Corner of the Universe on Sunday morning, around 6.14pm BST (5.14pm UTC).
Space rock is estimated to measure somewhere in the diameter of 75.5ft to 167ft (23m to 51m).
The asteroid is comparable in size to Nelson's column in Trafalgar Square, at the upper end of the estimate.
At the lower end of NASA's size estimate, space rock is still twice as long as London's two-story bus.
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A similar-sized space rock hit Russia's Chelyabinsk region in 2013, when an asteroid unexpectedly entered the atmosphere.
The so-called Chelyabinsk Meteor exploded in the air before hitting the ground, but the resulting arblast injured more than 1,000 people with pieces of shattered glass.
Scientist Natalie Starkey has warned of such an asteroid hitting a big city like London.
Fortunately, NASA does not expect Asteroid PK to get close enough to pose any threat to the planet.
The US Space Agency said, "Keep in mind that an astronomical" close-up "passage can be very human: millions or even tens of millions of miles.
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But the danger that unexpected asteroids will hit Earth is real, given our limited knowledge of the number of threats that lurk in the deep space.
NASA said, "Given the current incompleteness of the NEO catalog, an unforeseen impact – like the Chelyabinsk event – could happen at any time."
On Sunday, space rock will fly past our planet at a speed of about 7.37km per second or 16,486mph.
The asteroid on its closest side will approach Earth from a distance of 0.02809 astronomical units or 2.2 million miles (4.2 million km).
Distance may seem like a lifetime, but on a larger scale, it is trivial.
One astronomical unit – the distance between Earth and the sun – measures approximately 93 million miles (149.6 million km).