NASA asteroid mission Lucy begins spacecraft assembly before 2021 launch

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NASA asteroid mission Lucy begins spacecraft assembly before 2021 launch

An artist's depiction of the Lucy spacecraft studying asteroids.

(Image: © SwRI)

 

NASA's Lucy spacecraft is one step closer to getting up close and personal with a host of strange space rocks as assembly begins.

 

Lucy will make an ambitious journey across the asteroid belt out to Jupiter's neighborhood, studying a total of eight different space rocks over nearly a

 

decade. But before the spacecraft can begin its trip at the launchpad, currently scheduled for October 2021, it needs to become, well, a spacecraft. And,

 

thanks to a recent milestone permitting integration of the instruments and main vehicle, that's exactly what will happen next.

 

"Each phase of the mission is more exciting than the last," Hal Levison, a planetary scientist at the Southwest Research Institute in Colorado and

 

principal investigator for the Lucy mission, said in a statement. "While, of course, Lucy still has several years and a few billion miles to go before we

 

reach our real goal — exploring the never-before-seen Trojan asteroids — seeing this spacecraft come together is just incredible."

 

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While NASA has built plenty of asteroid missions before, the agency has never visited Jupiter's Trojan asteroids, which orbit the sun in two large clusters

 

— one behind Jupiter and one ahead of it. (Lucy will also check out a main-belt asteroid it will pass along the way.)

 

Scientists hope that the mission will give them up-close looks at the main types of space rocks found in Jupiter's Trojan clusters, all of which likely hide

 

water deep below their surface. And because Trojans formed around the same time as the solar system, they serve as individual fossils that could help

 

scientists understand how our whole neighborhood formed.

 

But first, Lucy needs to finish up its agenda here on Earth. By passing a standard NASA milestone dubbed Key Decision Point-D (KDP-D) recently, Lucy

 

engineers got the greenlight to assemble and test the spacecraft and its instruments, NASA announced on Aug. 28.

 

(Image credit: Lockheed Martin Space)

 

Despite the ongoing coronavirus pandemic, the spacecraft is on track to receive its instruments beginning in October, which will also see another

 

procedural milestone called the Mission Operation Review.

 

By July, NASA says, the spacecraft will be ready to head to Florida for last-minute launch preparations. Lucy's launch window opens on Oct. 16, 2021,

 

and the spacecraft will make its first asteroid flyby in April 2025.

 

"This team has been truly incredible," Donya Douglas-Bradshaw, Lucy's project manager at NASA's Goddard Space Flight Center in Maryland. "Building

 

a spacecraft is never easy, but seeing the team persevere through all of the challenges that they have encountered is inspiring."

 

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