Apparently a "potentially hazardous" asteroid will come close to Earth tomorrow

Katie Ramirez
February 14, 2020

The larger asteroid had a diameter of at least 165 metres while the smaller moon-like asteroid was around 70 metres in diameter.

To put it into perspective, the asteroid that might have led to the extinction of the dinosaurs 66 million years ago from the face of Earth was 10 km in diameter. The report also raised concerns on the proximity of the asteroid from the planet Earth and the speed with which the space rock is travelling towards the only known planet with the human population.

"Potentially Hazardous Asteroids (PHAs) are now defined based on parameters that measure the asteroid's potential to make threatening close approaches to the Earth", NASA said in a statement. Asteroids this small, if in case it should collide with Earth, would most likely burn up upon contact with the atmosphere.

NASA said: "It seems prudent to mount efforts to discover and study these objects, to characterise their sizes, compositions and structures and to keep an eye upon their future trajectories".

Due to the size of space and relatively tiny size of asteroids finding them is incredibly hard, NASA says.

PZ39 is an Apollo asteroid, which means it intersects the path of our planet quite often while moving around the Sun.

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According to NASA it isn't unusual for an asteroid to have a moon but it is rare.

Asteroid PZ39 is estimated to measure somewhere between 1,443ft and 3248ft (440m to 990m) in diameter.

Asteroid PZ39 is potentially hazardous because it is a near-Earth object (NEO) that is big enough and close enough to raise the alarm bells.

A binary asteroid is a two-asteroid system that has one common center. The asteroid known as 2020 CH flew by the other day.

Fortunately, NASA expects the big space rock to miss Earth by about 3.6 million miles.

It will pass Mars in June but won't be back past Earth until 2022 - by then it will be even further way - it's next close approach won't be until after 2100.

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