Date August 31, 2021. Even Harry Stamper would probably like these odds. Recently NASA updated its forecast of the chances that the asteroid Bennu, one of the two most hazardous known objects in our solar system, will hit Earth in the next 300 years. New calculations put the odds at 1 in 1,750, a figure slightly higher than previously thought.
And a provocative new study suggests they are bigger than previously thought—meaning Earth is more at risk of getting hit hard, says James Garvin, chief scientist of NASA’s Goddard Space Flight Center, who presented the work last week at the Lunar and Planetary Science Conference. “It would be in the range of serious crap happening.”. Telescopes on Earth will make precise measurements of the two-rock, or binary, system. Before the collision, Dimorphos took roughly 11 hours and 55 minutes to circle its 780m-wide partner.

In brief. For a few tense days this January, a roughly 70-metre asteroid became the riskiest observed in over a decade. Despite the Moon’s attempt to scupper observations, the asteroid is now known to be entirely safe. *Join ESA, NASA and Asteroid Day LIVE from 19:00 CET this evening in "Killing asteroids - with the experts", to find out more*.

Published Jan. 26, 2023, 9:36 a.m. ET. An asteroid will fly over the southern tip of South America on Thursday in one of the closest approaches by a known near-Earth object ever recorded
Jupiter might absorb most of the asteroid and comet strikes in the Solar System, but it also results in a net increase in the number of Earth impact that occur by about 350%.
Note too that just days after 2023 DW was discovered, a larger (roughly 50-meter) asteroid called 2023 DZ2 was found which will pass Earth by only 175,000 kilometers on March 25, 2023.
But asteroid 138971 (2001 CB21) is by far the largest of the near Earth objects passing near Earth in the coming weeks. With a diameter of between 560 and 1,300 meters, the asteroid would stand a head above the 830-meter Tall Burj Khalifa skyscraper in Dubai. The most recent close approach of another asteroid of this size was the 18 January
NASA's OSIRIS-REx spacecraft got approved for a second mission to study asteroid Apophis when it makes a close flyby of Earth in 2029. After dropping off an asteroid sample to Earth, a NASA spacecraft is on a new adventure to intersect the asteroid Apophis, named after the Egyptian spirit of chaos, as it makes a close approach to Earth in 2029
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    • next big asteroid to hit earth