Small worlds
Asteroids, comets and dwarf planets
41 of 41 selected objects
Ceres ↗
A dwarf planet in the asteroid belt
Pluto ↗
Mountains and a nitrogen-ice plain
Eris ↗
A dwarf planet on an elongated outer orbit
Makemake ↗
A dwarf planet beyond Neptune
Vesta ↗
The source of a meteorite family
Bennu ↗
Samples returned to Earth
Itokawa ↗
A rubble pile visited by Hayabusa
Eros ↗
Orbited and landed on by NEAR
Psyche ↗
A metal-rich asteroid · artist’s illustration
Didymos ↗
The parent of Dimorphos
Apophis ↗
A target for close-encounter science
Ida ↗
243
Dinkinesh ↗
A small asteroid with a contact-binary moon
Donaldjohanson ↗
Lucy’s main-belt encounter
1P/Halley ↗
A comet visited by an international fleet
67P/Churyumov-Gerasimenko ↗
A comet followed through its active season
81P/Wild 2 ↗
Dust samples collected by Stardust
9P/Tempel 1 ↗
An impact experiment and a return visit
103P/Hartley 2 ↗
Jets from a small, active nucleus
19P/Borrelly ↗
A comet photographed by Deep Space 1
Data and selection
Reviewed dwarf planets, spacecraft-visited bodies and mission targets. This is not the full catalogue of all known asteroids and comets.
Published JPL orbital elements describe their stated epoch; they are not current positions. Small-body diameters can be effective/model-dependent sizes, not spherical shapes. Missing measurements remain unavailable. Pluto’s diameter uses the New Horizons reference rather than an empty SBDB field.
JPL · Small-Body Database and physical references ↗