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Moons of the Planets

This page lists the 188 known moons of all the planets in our solar system. Every so often new moons are discovered for the outer dwarf planets.

Mercury Moons = 0

Mercury is too close to the Sun to hold on to a moon.

Venus Moons = 0

Venus may have had a moon in the distant past, which collided with another object and then impacted Venus.

Earth Moons = 1

Earth also has several quasi-satellites, asteroid 2016 HO3 being the closest with the most stable orbit.

Mars Moons = 2

Both moons may be captured asteroids.

Dwarf Ceres Moons = 0

Jupiter Moons = 69

Listed in order of size. The first 4 moons listed, the Galilean moons, are viewable with binoculars and any telescope.

Saturn Moons = 62

Listed in order of size. The first 6 moons listed are viewable using a decent-sized telescope. Titan is viewable with binoculars. Saturn also has millions of moonlets embedded in its ring system.

S/2004 S13

S/2006 S1

S/2004 S17

S/2004 S12

S/2007 S2

S/2007 S3

S/2004 S7

S/2006 S3

Uranus Moons = 27

Listed in order of size. Titania can be viewed with a larger telescope.

Neptune Moons = 14

Listed in order of size. Triton is viewable using a good-sized telescope.


Dwarf Pluto Moons = 5

Listed in order of size. Pluto and Charon are considered a binary dwarf planet system.

Dwarf Orcus Moons = 1

Dwarf Haumea Moons = 2

Dwarf Quaoar Moons = 1

Dwarf Makemake Moons = 1

Dwarf 2007 OR10 Moons = 1

Dwarf Eris Moons = 1

Dwarf Salacia Moons = 1


Dwarf Sedna Moons = 0

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