Themis

satellite of Saturn

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June 17, 2026

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Themis is a moon of Saturn, not a Greek goddess. It is a regular moon, meaning it has a prograde, low-inclination, and low-eccentricity orbit around Saturn. Themis is thought to have formed from a protoplanetary disk of material around Saturn, similar to how planets formed around the Sun.1

Themis is one of Saturn's many moons, and its orbit is closely linked to the planet's ring system.1

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William Henry Pickering
…10th satellite, which he named Themis, is generally discounted, for it was never observed again. The 10th satellite (Janus) that was discovered in 1967 is probably not the same one, for its orbit is the innermost of all Saturn’s moons, whereas Pickering’s Themis was supposed to lie between Titan and…
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…10th satellite, which he named Themis, is generally discounted, for it was never observed again. The 10th satellite (Janus) that was discovered in 1967 is probably not the same one, for its orbit is the innermost of all Saturn’s moons, whereas Pickering’s Themis was supposed to lie between Titan and…
Read More