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Donaldjohanson
ORBITS:
Sun
SMALL CELESTIAL BODY
Donaldjohanson. A journey of about 3.68 years around the Sun.
Discover Donaldjohanson in the small-body catalogue, with an orbital semi-major axis of about 2.38 astronomical units and a reported diameter of roughly 3.9 km, then explore its place in the Solar System on the SPACE-di interactive map.
naif:
20052246
Reference material: NASA / Jet Propulsion Laboratory · NASA · 3D render credits
Make Donaldjohanson part of your exploration…
Donaldjohanson: exploring our Solar System’s small worlds…
Donaldjohanson is a small body in the Solar System, our region of space within the universe. The Sun is the star at the centre of this system. Explore its story and place in our planetary neighbourhood, then find it on the interactive 3D space map.
Donaldjohanson is a main-belt asteroid visited by Lucy in April 2025. Its elongated, contact-binary-like shape provides a close example of how collisions can assemble small bodies.