1 day / second
0.5 AU
A NASA spacecraft launched in 2021 to explore Jupiter's Trojan asteroids, visiting eight different asteroids over a 12-year mission to study these ancient remnants from the early Solar System.
organization | NASA |
orbital regimes | Asteroid Belt Outer System |
learn more | Wikipedia |
launched | 2021-10-16 |
launch mass | 1,550 kg |
power | 504 watts |
October 16, 2021 at 09:34 UTC
Flyby
Lucy completed its first asteroid encounter by flying past the small main-belt asteroid Dinkinesh at a speed of 10,000 mph on November 1, 2023, testing its tracking systems and instruments in preparation for future Trojan asteroid flybys.
Flyby
Lucy will fly past the asteroid Donaldjohanson on April 20, 2025, marking the spacecraft's first asteroid encounter during its 12-year mission to explore Jupiter's Trojan asteroids.