1 day / second

0.5 AU

Lucy

Spacecraft

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.

Key Facts

organization

NASA

orbital regimes

Asteroid Belt
Outer System

learn more

Wikipedia

launched

2021-10-16

launch mass

1,550 kg

power

504 watts
Mission Timeline
Operational
Launched

October 16, 2021 at 09:34 UTC

152830 Dinkinesh

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.

52246 Donaldjohanson

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.

Other Spacecraft
Zhurong
Perseverance
Ingenuity
Chang'e 5
Double Asteroid Redirect Test (DART)
Jupiter Icy Moons Explorer
Smart Lander for Investigating Moon (SLIM)