NASA's Lucy mission adds 9th asteroid to its list of attractions
The asteroid still doesn't have a name, and it likely won't for a while
Lucy launched in October 2021 and is bound for the Trojan asteroids, which, thanks to the pull of Jupiter's immense gravity,
In 2027, Lucy will become the first human-made object to fly past one of these asteroids.
The mission was designed to zoom past a main-belt asteroid then swing through a complicated itinerary of Trojan asteroids
scientists have determined that one of Lucy's original target asteroids has a companion:
In March, astronomers observing Polymele in preparation for Lucy's eventual visit watched the asteroid pass in front of a star
scientists know more about the asteroid's exact orbit, which might not happen until Lucy's visit.