NASA issues warning as potentially hazardous asteroid bigger than the Great Pyramid of Egypt makes its closest pass in 100 years tomorrow; here's how you can watch it

NASA is closely monitoring a massive asteroid as it prepares to make a rare close approach to Earth. The space rock, known as 2014 TN17, is larger than the Great Pyramid and will pass by at more than 48,000 mph. Should we be worried? This is what you should know.

How close will the asteroid get to Earth?

Tomorrow, the massive asteroid 2014 TN17 will make its closest approach to Earth in over a century. This will be the asteroid's closest approach to Earth in over a century.
A 'potentially hazardous' asteroid the size of Egypt's Great Pyramid of Giza will approach Earth for the first time in over a century tomorrow, according to NASA.

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At 11:34 GMT on Wednesday, the asteroid, known as 2014 TN17, is predicted to approach Earth as close as 0.03404 astronomical units, or roughly 3 million miles, as per a report by the Daily Mail.

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Its diameter is 540 feet, making it larger than Egypt's Great Pyramid. It is also almost twice as tall as the well-known Taj Mahal in India.

Could an asteroid like this ever hit us?

Although classified as «potentially hazardous,» NASA confirms that there is no risk of impact. The space rock will travel at a safe distance of three million miles. NASA thankfully states that there is no chance of the powerful space rock colliding with humans, as quoted in a report by the Daily Mail.

According to theory, TN17 would be big enough to destroy a city but not enough to eradicate all life on Earth if it were to strike our planet in 2014. But tomorrow, there is no chance that the space rock will strike Earth.

How does NASA track these space rocks?

NASA's online