Space probes·NASA

Lucy

In transitLaunched in 2021·Trojan trajectory — 2027 flyby

The first mission to Jupiter's Trojan asteroids — fossils of the early solar system.

Main objectives

Did you know?

It will visit 11 asteroids in 12 years, an absolute record for a single probe.

Timeline

Oct 16, 2021

Launch

Atlas V from Cape Canaveral.

Nov 01, 2023

Dinkinesh flyby

First asteroid flyby, discovery of a binary satellite.

Apr 20, 2025

Donaldjohanson flyby

Main-belt asteroid.

Aug 12, 2027

First Trojan Eurybates

Mass1,550 kg

Solar panels7.3 m diameter

[05]

ObservationMajor
Flyby of asteroid Donaldjohanson
Second target in the main belt before the series of Jupiter trojans.
Apr 20, 2025
ObservationMajor
Binary asteroid Dinkinesh
First Trojan asteroid flyby: revealing an unexpected contact-binary satellite.
Nov 01, 2023 ↗
Iconic imageMajor
Launch
Atlas V from Cape Canaveral.
Oct 16, 2021
ObservationNotable
Donaldjohanson flyby
Main-belt asteroid.
Apr 20, 2025
ObservationNotable
Dinkinesh flyby
First asteroid flyby, discovery of a binary satellite.
Nov 01, 2023