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Titan (Moon of Saturn)

5,150 km (3,200 mi)

Diameter of the solid body (twice the radius)

Saturn's giant moon, wrapped in a thick orange haze. Measured at its solid surface. Diameter: 5,150 km, wider than Mercury.

Published

How big is that?

5,150 km is 1.5 times the Moon and 40% of Earth.

Titan is the 11th largest of the 39 Cosmic Scale objects, and the 11th largest of the 109 objects across all three SizeItUp games.

Size comparison

Callisto (Moon of Jupiter)MercuryTitan (Moon of Saturn)Ganymede (Moon of Jupiter)Mars

To scale, smallest to largest: Titan in orange beside the Cosmic Scale objects nearest in size, in teal.

ObjectSizevs Titan
Callisto (Moon of Jupiter)Jupiter's battered outer giant moon, covered in craters.4,820.6 km across94% of the size
MercuryThe smallest planet and the closest to the Sun.4,879 km across95% of the size
Titan (Moon of Saturn)5,150 km across–
Ganymede (Moon of Jupiter)The largest moon in the Solar System.5,262.4 km acrossabout the same
MarsThe red planet, home of Olympus Mons.6,792 km across1.3× bigger

In other units

Metres5,150,000
Kilometres5,150
Feet16,900,000
Miles3,200

How it's measured

Diameter of the solid body (twice the radius). NASA Saturnian Satellite Fact Sheet: radius 2,575 km.

Fact sheets list a radius; the diameter here is twice that.

Sources

Checked against the source on .

Could you have guessed it by eye?

Titan is one of the objects in Cosmic Scale, a daily size comparison game: you stretch a shape to the size you think is right beside one you know.