600-foot asteroid to do a close flyby of Earth; NASA reveals size, speed, and more | Tech News

600-foot asteroid to do a close flyby of Earth; NASA reveals size, speed, and more

NASA has revealed that a colossal 600-foot asteroid is approaching Earth on October 17 and it will fly past at extremely close quarters.

By: HT TECH
| Updated on: Oct 16 2023, 21:09 IST
NASA tracks 5 asteroids approaching Earth! Know their size, speed, and more
Asteroid 1998 HH49
1/5 Asteroid 2023 TD7: According to data revealed by NASA, asteroid  2023 TD7 is hurtling towards a close flyby of Earth today, October 14. The size of this asteroid is 17 Feet and is as big as the size of a car. Its closest Earth approach is estimated to be 171,000 kilometers, which will get it closer than the Moon. It will move towards Earth at a speed of 36315 kilometers per hour.  (Pexels)
Asteroid 1998 HH49
2/5 Asteroid 2023 TO4: The size of this asteroid is 34 Feet and is as big as the size of a bus. Its close Earth approach is estimated to be 712000 Kilometers. It is expected to reach close to Earth on October 14. It will move towards Earth at a speed of 60443 Kilometers Per hour. (Pixabay)
Asteroid 1998 HH49
3/5 Asteroid 2023 TQ3: This aircraft-sized asteroid is 86 Feet wide. It is expected to pay a close visit to Earth on October 14. According to NASA, Its Closest Earth approach is estimated to be 1.47 million kilometers. It will be traveling towards Earth at a speed of 40519 kilometers per hour. (Pixabay)
Asteroid 1998 HH49
4/5 Asteroid 2023 TD8: This asteroid is designated as 2023 TD8 by NASA. It is expected to reach closer to Earth on October 14. Its closest Earth approach will be 2.16 million kilometers. This asteroid is 27 Feet wide and is as big as the size of a bus. It will be speeding towards Earth with a relative velocity of 35482 kilometers per hour.  (NASA)
Asteroid 1998 HH49
5/5 Asteroid 2023 TC7: According to data revealed by NASA, this asteroid is 53 feet wide and its size is similar to the size of a house. It is expected to pay a close visit to Earth on October 15. Its closest Earth approach is estimated to be 666000 kilometers. It will be traveling towards Earth at a speed of 24510 kilometers per hour.  (Pixabay)
Asteroid 1998 HH49
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Asteroid 1998 HH49 is said to be as big as the size of a building. (Pixabay)

Hazards like solar storms and asteroids constantly appear and pose threats to our planet. NASA diligently monitors Near-Earth Asteroids (NEAs) to safeguard our planet from potential impacts. When NASA's telescopes detect a new NEA, precise observations of its position in the sky are reported to the Minor Planet Center. Subsequently, the Center for Near-Earth Object Studies (CNEOS) utilizes this data to establish the most likely orbit of the asteroid around the Sun. To evaluate the risk of impact and the asteroid's orbit, NASA employs the innovative Sentry II system, featuring a unique algorithm. Sentry II strategically selects random points within the entire uncertainty region, enabling the program to pinpoint very low-probability impact scenarios. Recently, NASA has issued an alert concerning a colossal asteroid that is approaching Earth tomorrow:

Asteroid 1998 HH49

According to the data provided by NASA CNEOS, a 600-foot asteroid is approaching Earth and will flyby tomorrow. This asteroid is said to be as big as the size of a building. It is expected to pay a close visit to our planet on October 17. This asteroid is designated as 1998 HH49 by NASA. The closest Earth approach of this asteroid is estimated to be 1.17 million kilometers. It was first observed on April 28, 1998, and was last seen on December 1, 2021. It will be speeding at a relative velocity of 53233 kilometers per hour. This asteroid belongs to the Apollo group of asteroids.

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Apollo class Asteroid

The Apollo asteroids, named after the 1932 discovery of the 1862 Apollo by Karl Reinmuth, are Earth-crossing asteroids. Their orbital semi-major axis exceeds Earth's, posing potential threats due to their proximity. On February 15, 2013, the Chelyabinsk meteor detonated above Russia's Chelyabinsk city, causing approximately 1,500 injuries from shattered windows due to its explosion. This meteor belonged to the Apollo class of asteroids.

Is it hazardous?

Given the size of the asteroid 1998 HH49, which is 600 feet, it appears to be potentially hazardous. According to NASA, if asteroids have a size bigger than 150 meters, then they are considered in the category of potential threat. The asteroid was first observed in 1991.

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First Published Date: 16 Oct, 21:09 IST
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