Double asteroid flyby today! 2 monster rocks speeding towards Earth, warns NASA

Home Tech News Double asteroid flyby today! 2 monster rocks speeding towards Earth, warns NASA

A number of asteroids pass close to the Earth almost every day, but only a few of them pose risk to humanity. Today, NASA has issued a warning that two dangerous asteroids are ready to make their close approach to Earth. According to CNEOS data, the first asteroid, named 2023 HK, which is about 42-foot in size, roughly the size of a bus, is moving at a rapid speed of 57338 kilometres per hour. The second asteroid, named 2023 HJ, a 34-foot space rock, is rushing towards Earth at a speed of 33031 kilometres per hour. Despite their small sizes, you may be wondering why scientists are focusing on these asteroids.

The main concern issue is the proximity of asteroids to Earth. As per NASA's asteroid data tracking webpage, asteroid 2023 HJ will approach Earth at a distance of merely 1.17 million miles. However, asteroid 2023 HK is particularly worrying as it will come remarkably close to Earth on April 20, at a distance of only 212,000 miles, even closer than the gap between Earth and the Moon, which measures 239,000 miles.

The Jet Propulsion Laboratory's Center for NEO Studies maintains a list of near-Earth objects that are likely to make close approaches to Earth in order to detect any potential dangers ahead of time. NASA's JPL has classified all space rocks that come within 4.6 million miles of Earth and have a size greater than approximately 150 meters as "potentially hazardous objects."

Thankfully, these asteroids are not flagged as potentially hazardous objects. However, asteroids can be diverted from their path by the gravitational force of a planet, causing them to head towards a planet such as Earth, which could result in a catastrophic impact.

NASA uses various technologies, such as telescopes and satellites, both on Earth and in space, to monitor these asteroids. Planetary radar, conducted by radio telescopes at NASA's Deep Space Network and the National Science Foundation's Arecibo Observatory in Puerto Rico, provides some of the most detailed characterization data for NEOs that come close enough to Earth to be observed.

 

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Alert! This Asteroid could come closer to Earth than the Moon, NASA reveals

Although asteroids frequently make close approaches to Earth, yesterday is particularly special as NASA revealed that as many as 5 asteroids made close approaches to Earth, and another one is set to pass our planet today. As these space rocks revolve around the Sun in their elliptical orbits, the asteroids also rotate, sometimes quite erratically, tumbling as they go. Sometimes, interaction with a planet's gravitational field knocks these asteroids off their trajectories and sends them towards a planet like Earth for potential impact.

NASA has now issued an alert against a similar asteroid which is on its way towards the planet and is expected to make a close approach soon.

According to the information released by NASA, an asteroid, given the designation of Asteroid 2023 HK, is travelling towards Earth and is expected to make a close approach as soon as today, April 20. Although this asteroid is expected to pass Earth safely at a relatively close distance, it is not a Potentially Hazardous Asteroid due to its small size. With a width of nearly 42 feet, Asteroid 2023 HK is almost as big as a bus.

NASA has revealed that Asteroid 2023 HK will make its Earth approach at a distance of 341,109 kilometers. That is nearly the same distance from Earth as the Moon! It is already travelling towards Earth, at a staggering speed of approximately 57338 kilometers per hour.

According to ESA, the process of assigning a provisional designation to an asteroid begins when a single observer detects it on two consecutive nights and then sends their findings to the Minor Planet Centre of the International Astronomical Union (IAU). The IAU assigns a provisional designation, which typically consists of a serial number like "1992 KD". The provisional designation includes the year of the asteroid's discovery, followed by two letters that indicate the order of its discovery during that year.

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