An asteroid moving five times as fast as a hypersonic missile is set to fly by extremely close to the Earth on Wednesday, according to NASA's asteroid tracker. Reportedly, two asteroids are set to pass the Earth on the day. The two asteroids have been named 2022 SA1 and 2022 SR2, according to the Center for Near-Earth Object Studies (CNEOS) at NASA's Jet Propulsion Laboratory (JPL).

NASA says that asteroid 2022 SR2, between 6.9 metres and 15 metres in diameter, is flying at a speed of around 21.78 kilometres per second, or 78,408 kilometres per hour. This is roughly equal to nearly 63.5 times the speed of sound.

One of the most prominent hypersonic missiles, Russia's Kh-47M2 Kinzhal, travels at a speed of 4.116 kilometres per second. This means that asteroid 2022 SR2 is moving five times faster than the fastest missile&nbsp;on Earth.

The insanely fast moving asteroid will pass by the Earth at a distance of approximately 445,800 kilometres, which is extremely close. However, NASA says there is no danger of it colliding with the Earth.&nbsp;

Meanwhile, the 2022 SA1 has an estimated diameter of between 24 metres and 55 metres. It is moving at around 14.10 kilometres per second, about 40 times the speed of sound.&nbsp; 
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(With inputs from agencies)

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An asteroid moving five times as fast as a hypersonic missile is set to fly by extremely close to the Earth on Wednesday, according to NASA's asteroid tracker. Reportedly, two asteroids are set to pass the Earth on the day.

An asteroid moving five times as fast as a hypersonic missile is set to fly by extremely close to the Earth on Wednesday, according to NASA's asteroid tracker. Reportedly, two asteroids are set to pass the Earth on the day. The two asteroids have been named 2022 SA1 and 2022 SR2, according to the Center for Near-Earth Object Studies (CNEOS) at NASA's Jet Propulsion Laboratory (JPL). NASA says that asteroid 2022 SR2, between 6.9 metres and 15 metres in diameter, is flying at a speed of around 21.78 kilometres per second, or 78,408 kilometres per hour. This is roughly equal to nearly 63.5 times the speed of sound. One of the most prominent hypersonic missiles, Russia's Kh-47M2 Kinzhal, travels at a speed of 4.116 kilometres per second. This means that asteroid 2022 SR2 is moving five times faster than the fastest missile on Earth. The insanely fast moving asteroid will pass by the Earth at a distance of approximately 445,800 kilometres, which is extremely close. However, NASA says there is no danger of it colliding with the Earth. Meanwhile, the 2022 SA1 has an estimated diameter of between 24 metres and 55 metres. It is moving at around 14.10 kilometres per second, about 40 times the speed of sound. (With inputs from agencies)

Asteroid five times faster than a hypersonic missile to fly past Earth on Wednesday

Astronomers are developing an ingenious system to pulverise asteroids that they believe is the ''Earth's only chance in a catastrophe.''

"So far, humanity has been spared large-scale catastrophe as was visited upon our previous tenants, but counting upon being 'lucky' is a poor strategy in the longer term," said Professor Philip Lubin from the University of California Santa Barbara.

The experiment will be conducted on Trojan asteroids that can be wanderers in the solar system or material left over from their home planet's formation. They become ensnared by the planetary gravitational grip and subsequently orbit the sun along the same path as that planet.

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In picture: The illustration shows&nbsp;pulverising an incoming impactor into tiny pieces&nbsp;(Lubin/Experimental Cosmology Group, UCSB)

"In short intercept scenarios, the asteroid fragments of maximum ~10-meter [about 33 ft] diameter allow the Earth's atmosphere to act as a 'beam dump' where the fragments either burn up in the atmosphere or air burst, with the primary channel of energy going into spatially and temporally de-correlated shock waves," Lubin said.

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"The effectiveness of the approach depends on the time to intercept and size of the asteroid, but allows for effective defense against asteroids in the multi-hundred-meter diameter class and could virtually eliminate the threat of mass destruction caused by these threats," Lubin explains.

"Compared to other threat reduction scenarios, this approach represents an extremely cost-effective, testable, and deployable approach with a logical roadmap of development and testing. Pre-deployment of the system into orbit or a lunar base allows for rapid response on the order of less than a day if needed," Lubin said.

"The great advantage of this approach is that it allows for terminal defense in the event of short warning times and target distance mitigation where orbital deflection is not feasible," said Lubin.&nbsp;

"Even intercepts as close as the Moon with intercept times of a few hours prior to impact are viable."

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The National Aeronautics and Space Administration has also launched a test mission DART spacecraft that they hope will alter an asteroid's trajectory with sheer kinetic force, plowing into it at high speed to nudge the space boulder off course just enough to keep our planet out of harm's way.

The asteroid that DART is aiming for poses no actual threat and is tiny compared with the cataclysmic Chicxulub asteroid that struck Earth some 66 million years ago, leading to extinction of the dinosaurs. But scientists say smaller asteroids are far more common and of greater theoretical concern in the near term.

DART's target is an asteroid "moonlet" the size of a football stadium that orbits a chunk of rock five times larger in a binary asteroid system named Didymos, the Greek word for twin.

The team behind DART, short for Double Asteroid Redirection Test, chose the Didymos system because its relative proximity to Earth and dual-asteroid configuration make it ideal for observing the results of the impact.

The plan is to fly the DART spacecraft directly into the moonlet, called Dimorphos, at 15,000 miles per hour (24,000 kph), bumping it hard enough to shift its orbital track around the larger asteroid.

(With inputs from agencies)

Astronomers are developing an ingenious system to pulverise asteroids that they believe is the ''Earth's only chance in a catastrophe.'' "So far, humanity has been spared large-scale catastrophe as was visited upon our previous tenants, but counting upon being 'lucky' is a poor strategy in the longer term," said Professor Philip Lubin from the University of California Santa Barbara.

Astronomers are developing an ingenious system to pulverise asteroids that they believe is the ''Earth's only chance in a catastrophe.'' "So far, humanity has been spared large-scale catastrophe as was visited upon our previous tenants, but counting upon being 'lucky' is a poor strategy in the longer term," said Professor Philip Lubin from the University of California Santa Barbara. The experiment will be conducted on Trojan asteroids that can be wanderers in the solar system or material left over from their home planet's formation. They become ensnared by the planetary gravitational grip and subsequently orbit the sun along the same path as that planet. In picture: The illustration shows pulverising an incoming impactor into tiny pieces (Lubin/Experimental Cosmology Group, UCSB) "In short intercept scenarios, the asteroid fragments of maximum ~10-meter [about 33 ft] diameter allow the Earth's atmosphere to act as a 'beam dump' where the fragments either burn up in the atmosphere or air burst, with the primary channel of energy going into spatially and temporally de-correlated shock waves," Lubin said. Also see | Why has space business has become the final profitable frontier? "The effectiveness of the approach depends on the time to intercept and size of the asteroid, but allows for effective defense against asteroids in the multi-hundred-meter diameter class and could virtually eliminate the threat of mass destruction caused by these threats," Lubin explains. "Compared to other threat reduction scenarios, this approach represents an extremely cost-effective, testable, and deployable approach with a logical roadmap of development and testing. Pre-deployment of the system into orbit or a lunar base allows for rapid response on the order of less than a day if needed," Lubin said. "The great advantage of this approach is that it allows for terminal defense in the event of short warning times and target distance mitigation where orbital deflection is not feasible," said Lubin. "Even intercepts as close as the Moon with intercept times of a few hours prior to impact are viable." Also read | Mexico to send mini-robots to Moon for soil exploration in scientific first The National Aeronautics and Space Administration has also launched a test mission DART spacecraft that they hope will alter an asteroid's trajectory with sheer kinetic force, plowing into it at high speed to nudge the space boulder off course just enough to keep our planet out of harm's way. The asteroid that DART is aiming for poses no actual threat and is tiny compared with the cataclysmic Chicxulub asteroid that struck Earth some 66 million years ago, leading to extinction of the dinosaurs. But scientists say smaller asteroids are far more common and of greater theoretical concern in the near term. DART's target is an asteroid "moonlet" the size of a football stadium that orbits a chunk of rock five times larger in a binary asteroid system named Didymos, the Greek word for twin. The team behind DART, short for Double Asteroid Redirection Test, chose the Didymos system because its relative proximity to Earth and dual-asteroid configuration make it ideal for observing the results of the impact. The plan is to fly the DART spacecraft directly into the moonlet, called Dimorphos, at 15,000 miles per hour (24,000 kph), bumping it hard enough to shift its orbital track around the larger asteroid. (With inputs from agencies)

'Earth's only chance in catastrophe': Astronomers are developing ingenious system to pulverise asteroids

A 104-metre-wide asteroid, which will be within 3.48 million miles of Earth, is going to pass near the planet. The asteroid has been labelled as a “potentially hazardous object”. The rock, which seems to be bigger than the iconic Big Ben, has been named Asteroid 2013 YD48 by NASA.

It’s time to ‘look up’: Witness building-sized asteroid pass near Earth

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