Jupiter size and scale context

Jupiter is the largest planet in the Solar System. It is more massive than all the other planets combined and still spins once in only about 10 hours, giving the giant world the shortest day in the planetary family. Read its scale context, comparisons, and journey links on the canonical object page.

IapetusTwo-toned icy moon·1,470 km

PlutoDwarf planet·2,380 km

MoonRocky moon·3,470 km

MercuryTerrestrial planet·4,879 km

MarsTerrestrial planet·6,779 km

EarthTerrestrial planet·12,742 km

NeptuneIce giant planet·49,528 km

JupiterGas giant planet·140,000 km

SunG-type main-sequence star·1.39 million km

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Between the smallest and the largest, perspective is everything.

About

Scale of Space is a scroll-based journey through the universe, placing objects on a single logarithmic scale so you can compare size across an unbroken range.

Guides turn parts of that scale into curated essays, while focused views let you explore the same range through specific groups of objects.

Editorial

Solar System Planets From Electron to Atoms Stars To Scale Birth And Death Of Stars Black Holes To Scale

Views

Planets of the Solar System Stars of the Universe Black holes Subatomic scale

Open Scale of Space Browse all comparisons

Between the smallest and the largest, perspective is everything.

About

Scale of Space is a scroll-based journey through the universe, placing objects on a single logarithmic scale so you can compare size across an unbroken range.

Guides turn parts of that scale into curated essays, while focused views let you explore the same range through specific groups of objects.

Editorial

Solar System Planets From Electron to Atoms Stars To Scale Birth And Death Of Stars Black Holes To Scale

Views

Planets of the Solar System Stars of the Universe Black holes Subatomic scale

Open Scale of Space Browse all comparisons

Planets

Neptune

Neptune is the outermost giant planet in the Solar System. It is the windiest world known, with methane-cloud systems racing through its atmosphere at speeds above 2,000 kilometers per hour.

Scale fact49,528 kmdiameter

Object class: Ice giant planet
Mass: ~17 Earth masses
Host: Sun
Estimated age: ~4.5 billion years
Composition: Hydrogen, helium, water-ammonia-methane ices
Temperature: ~59 K cloud tops

Planets

Jupiter

Scale fact140,000 kmdiameter

Object class: Gas giant planet
Mass: ~318 Earth masses
Host: Sun
Estimated age: ~4.5 billion years
Composition: Hydrogen and helium
Temperature: ~110 K cloud tops

Stars

Sun

The Sun is the star at the center of the Solar System and the engine behind every climate and orbit within it. It fuses about 600 million metric tons of hydrogen each second, while photons created in the core can take roughly 250,000 years to work their way to the visible surface.

Scale fact1.39 million kmdiameter

Object class: G-type main-sequence star
Mass: ~333,000 Earth masses
Temperature: 5,772 K surface
Estimated age: ~4.6 billion years
Composition: Hydrogen and helium