NASA's Lucy spacecraft was to make its first close approach to an asteroid in 2025, but a new plan will see a flyby of a bonus asteroid later this year.
NASA’s Lucy spacecraft is currently traveling through the solar system on its way to study the Trojan asteroids in the orbit of Jupiter. The original plan was for the mission to make its first close approach to an asteroid in 2025, but a new plan will see the spacecraft make a flyby of a bonus asteroid later this year.
“There are millions of asteroids in the main asteroid belt,” said a member of the Lucy team, Raphael Marschall of the Nice Observatory in France, who picked out the asteroid to be visited. “I selected 500,000 asteroids with well-defined orbits to see if Lucy might be traveling close enough to get a good look at any of them, even from a distance. This asteroid really stood out.
“In the past, most flyby missions have accounted for this uncertainty by taking a lot of images of the region where the asteroid might be, meaning low efficiency and lots of images of blank space,” said Hal Levison, Lucy principal investigator from the Southwest Research Institute. “Lucy will be the first flyby mission to employ this innovative and complex system to automatically track the asteroid during the encounter.
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