Are you looking for some out-of-this-world cat name inspiration? You’ve come to the right place! From stars and constellations to moons, planets, astronomy references, and much more check out over 130 celestial and space-themed names for cats below. Enjoy!

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131 Celestial and Space-Themed Names for Cats
- Alpha – After the star, Alpha Centauri.
- Altair – The name of a star.
- Alya – The name of a star.
- Andromeda – Galaxy name.
- Anthe – A moon of Saturn.
- Apollo – After NASA’s Apollo program.
- Aquila – The name of a constellation on the celestial equator.
- Ariel – The name of one of Uranus’ moons.
- Aries – The name of a zodiac constellation.
- Armstrong – As in Neil Armstrong, the first person to walk on the moon.
- Artemis – In Greek mythology, Artemis is the goddess of the moon.
- Astro – A term relating to outer space, the stars or celestial objects.
- Atlas – The inner moon of Saturn.
- Aurora – The Latin name for “dawn”, also the name for the Northern Lights is “aurora borealis” and the name for the Southern Lights is “aurora australis”.
- Badar – The name of a satellite.
- Bellatrix – The name of one of the stars in Orion.
- Bianca – The name of one of Uranus’ moons.
- Buzz – As in Buzz Aldrin, a famous former astronaut.
- Caelum – A faint constellation in the Southern sky.
- Callisto – The name of Jupiter’s second-largest moon.
- Calypso – A moon of Saturn.
- Carina – The name of a constellation.
- Carpo – A moon of Jupiter.
- Castor – The name of a bright star in the constellation of Gemini.
- Celeste – Meaning “heavenly” in Latin, Celeste refers to the night sky.
- Celestia – A variation of Celeste.
- Ciro – Italian variation of “Cyrus”, meaning “Sun”.
- Clementine – The name of the first U.S. spacecraft launched to the moon.
- Cloud – This one is self-explanatory!
- Comet – A celestial object consisting of a nucleus of ice and dust, and when near the Sun, a ‘tail’ of gas and dust particles.
- Cosmo – relating to the world or the universe.
- Cordelia – The name of one of Uranus’ moons.
- Cupid – The name of one of Uranus’ moons.
- Cressida – Another name for one of Uranus’ moons.
- Cygni – A binary star system in the constellation of Cygnus.
- Danica – A girls’ name of Slavic and Latin origin meaning “morning star”.
- DaVinci – After Leonardo DaVinci, also the name of NASA space mission.
- Dawn – As in first light – also the name of a NASA spacecraft.
- Dia – One of Jupiter’s moons.
- Dipper – As in “the Big Dipper” and the “Little Dipper”, constellations.
- Draco – The name of a constellation.
- Dragonfly – The name of a NASA spacecraft.
- Eclipse – The total or partial obscuring of one celestial body by another.
- Elara – The eighth-largest moon of Jupiter.
- Electra – The name of a European satellite.
- Elio – An Italian and Spanish name derived from the Greek god of the Sun, Helios.
- Eros – The first asteroid ever studied from orbit.
- Estée – A variation of “Estelle” or “Esther”, meaning “star”.
- Estela – A Spanish name meaning “star”.
- Europa – A moon of Jupiter.
- Flare – As in “solar flare”, a sudden explosion of energy.
- Galaxy – A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
- Galileo – A famous Italian astronomer.
- Gamma – As in Gamma-ray.
- Garnet – A zodiac gemstone.
- Gemini – A zodiac constellation.
- Genesis – The name of a NASA spacecraft.
- Hadar – The second brightest star in the southern constellation, Centaurus.
- Haedi – A constellation.
- Halley – As in Halley’s comet.
- Hercules – The name of a constellation.
- Herschel – After William Herschel, a famous German-British astronomer.
- Hubble – A famous space telescope.
- Hydra – The largest of 88 modern constellations.
- Indus – The name of a constellation in the southern sky.
- Janus – A moon of Saturn.
- Juno – The name of a NASA space probe orbiting Jupiter. Also means “queen of the heavens” in Latin.
- Jupiter – The fifth planet from the Sun.
- Leo – Is a constellation and a zodiac sign.
- Libra – A zodiac constellation.
- Luna – Latin for “moon”.
- Lunar – Refers to the moon.
- Lynx – The name of a sub-orbital, rocket-powered spaceplane.
- Lyra – The name of the lyre-shaped constellation within Orpheus.
- Mars – The fourth planet from the Sun.
- Mercury – The smallest planet in our solar system.
- Meteor – A small body of matter from outer space that enters the earth’s atmosphere.
- Milky – As in the Milky Way, the name of the galaxy that includes our solar system.
- Mimosa – The name of a constellation.
- Miranda – The name of one of Uranus’ moons.
- Moon – This one is self-explanatory!
- Narvi – A moon of Saturn.
- Nebula – An astronomy term referring to a cloud of gas and dust in outer space.
- Neptune – Is the eighth and farthest-known solar planet from the Sun.
- Neutron – As in neutron star, a collapsed core of a massive supergiant star.
- Norma – The name of a small constellation in the Southern Celestial Hemisphere.
- Nova – Refers to a transient astronomical event that causes the sudden appearance of a bright, apparently “new” star, that slowly fades over a few weeks/months.
- Oberon – The second-largest moon of Uranus.
- Ophelia – The name of one of Uranus’ moons.
- Orbit – Refers to the curved path of a celestial object.
- Orion – One of the most recognizable constellations.
- Orpheus– The name of an asteroid and a space telescope.
- Ozone – As in the Ozone Layer, a “shield” of Ozone in Earth’s stratosphere that absorbs most of the Sun’s ultraviolet radiation.
- Pandora – The name of one of Saturn’s moons.
- Pegasus – the name of a constellation in the northern sky.
- Peggy – A moon of Saturn.
- Perseus – the name of a constellation in the northern sky.
- Phoebe – The name of one of Saturn’s moons.
- Phobos – A moon of Mars.
- Phoenix – The name of a constellation in the southern sky.
- Pisces – A constellation of the zodiac.
- Pluto – The ninth planet from the Sun.
- Polaris – Also known as the North Star.
- Pollux – A bright star in the constellation of Gemini.
- Portia – The name of one of Uranus’ moons.
- Rigel – Also known as Beta Orionis, one of the brightest stars in the sky.
- Rocket – As in rocket ship.
- Rover – As in “Mars rover”.
- Roxana – A Persian name meaning “dawn” or “little star”.
- Samson – A Hebrew name meaning “Sun”.
- Saturn – The sixth planet from the Sun.
- Selene – The goddess of the moon in Greek mythology.
- Sirius – The name of the brightest star in the sky.
- Sky – This one is self-explanatory!
- Styx – A moon of Pluto.
- Sol – Meaning Sun.
- Soleil – Refers to the Sun.
- Star – This one is self-explanatory!
- Stella – A female name of Latin and Italian origin, meaning “star”.
- Sun – The star around which earth orbits.
- Talitha – The name of a constellation.
- Taurus – A zodiac constellation.
- Titania – The largest of the moons of Uranus.
- Umbriel – A moon of Uranus.
- Ulysses – The name of a space mission and spacecraft.
- Ursa – The name of two major constellations, “Ursa Major” (the Big Dipper) and “Ursa Minor” (the Little Dipper).
- Vega – The name of a star in the constellation of Lyra.
- Venus – The second planet from the Sun.
- Virgo – A zodiac constellation.
- Zaniah – The name of a star in the constellation of Lyra.
- Zora – A Persian name meaning “dawn”.
Cute Space-Themed Cat Accessories
ABOVE: Jackson Galaxy Constellation 4-In-1 Convertible Cat Scratcher Toy via Chewy
ABOVE: 2PC Breakaway Cat Collars with Bell, Moons, and Stars via Amazon
ABOVE: PatchworkPet Space Series Cat Toys via Amazon
ABOVE: Cat Love Infinity Cat Scratcher Toy with Catnip via Chewy
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