The OSIRIS-REx spacecraft's name has been changed to OSIRIS-APEX for its new mission to asteroid Apophis. See its journey to the asteroid in this orbit animation. Credit: NASA's Scientific ...
Apophis’ ranking of 4 was the highest level ... Part of the uncertainty lies within understanding 2024 YR4’s orbit and how close it will come to Earth in the future, he said.
Chances an asteroid may hit Earth in 2032 dropped to near zero, astronomers say. Here's what to know about 2024 YR4.
When Apophis was first spotted two decades ago ... in March 2021 during a distant flyby – combined with precise orbit analysis – is what eventually allowed astronomers to determine that ...
But like 2024 YR4, Apophis also quickly dropped from a 4 to a 0 on the Torino Scale after astronomers spotted archival observations of the asteroid that more precisely clarified its orbit.
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