A field guide to the solar system

The solar system, catalogued and freely browseable.

Planets, moons, dwarf planets, asteroids, comets and the icy worlds beyond Neptune — drawn from NASA/JPL and the IAU Minor Planet Center, refreshed nightly. The underlying data is public domain and free for you to use.

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1,574,019

objects

planets

492

moons

1,561,095

asteroids

4,077

comets

Catalogue last refreshed 10 hours ago.

Featured today

Planet

Venus

Diameter: 12,104 km
Distance: 0.723 AU
Orbital period: 224.7 days

Browse by kind

Planets

The eight worlds of the Sun, from scorched Mercury to deep-blue Neptune.

Dwarf planets

Ceres, Pluto and the icy worlds of the outer system.

Moons

492

Hundreds of natural satellites, from Luna to the shepherd moons of Saturn.

Asteroids

1,561,095

Rocky remnants of the early solar system, including the near-Earth objects.

Comets

4,077

Icy visitors on long, looping orbits — Halley and its many cousins.

Trans-Neptunian

8,336

The Kuiper Belt, scattered disc and the centaurs beyond Neptune.