N-BODY SANDBOX

Build a tiny universe.

Drag to orbit the camera. Scroll to zoom. Click a major body to inspect it.

SCENARIO PRESETSREPLACES UNIVERSE

The original star, planets, moons, and asteroid belts.

SELECTED BODYLIVE

Sun

BUILD TOOLSCHOOSE A MODE

ADD NEW BODYChoose a type, appearance, and velocity

TYPE

NAMEMASSRADIUSCOLOUR

EMISSIVE / STARGlows and emits coloured lightRING SYSTEMTwo bands with a natural gap

ORBIT / PLACEMENT REFERENCECUSTOM CAMERA PLANEOff = system plane

ADD ORBITAL OBJECTSSet belt limits, thickness, and appearance

ORBITAL LIMITSLIVE GUIDES

INNER —OUTER —VERTICAL Y SPREAD ±2 uPLANE TILT 0°LUMINOSITY 0.00

GAS-LIKE DAMPINGUses the global Physics settingSTAR-LIKE / SELF-LUMINOUSStays bright and skips orbital shading

OBJECT COUNT

Open a build tool to add something to the universe.

PHYSICSGLOBAL

GAS DAMPING 1.0×Settles gas-tagged particles · 0× disables it

SPACE · PAUSE ESC · CANCEL F · FOLLOW