Solar System — True-Scale Tour

☀ Solar System · True Scale

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EARTH

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True scale: 1 unit = 100,000 km, so 1 AU = 1,496 units and Neptune's orbit is 45,000 units out. Distances, periods and relative speeds are real. Planet sizes are √-compressed for visibility — toggle “True sizes” to see how small they really are.

Time

Time scale — 1 mo/s

View

Orbit paths Labels True sizes Moon · Pluto

Planet size boost — 1.0×

Bodies — click to follow

JPL approximate Keplerian elements (J2000 + secular rates, ≈1800–2050) · two-body propagation · Moon: mean elements · click a planet in 3D · space = pause · +/− = time scale