How are real planets named?

In our solar system, planets follow Roman mythology (Mars, Jupiter, Venus). Exoplanets are typically named after their host star with a lowercase letter (Kepler-442b). Our generator uses mythological and linguistic roots rather than catalog designations to create memorable names.

Should a planet name be one word or two?

Single-word names tend to feel more established and mythic, while two-word names work well for colonies or frontier worlds where settlers used a descriptive label. Let the planet's history guide the format.

What makes a planet name sound alien but pronounceable?

Use one or two unfamiliar phoneme combinations in an otherwise normal structure: Vr-, Zth-, -xos, -yss. The name should look strange at first glance but be readable aloud on the second try. Avoid apostrophes and consonant clusters longer than three letters.

Can a planet share a name with a country or city in my world?

In most settings, planets and countries occupy different narrative scales, so overlap rarely causes confusion. However, unique names for each help readers keep the geography clear, especially in space opera where a planet and a country might both appear in the same scene.

AI naming archive

Planet Name Generator

Create original planet names with meaning, etymology, and an easy pronunciation guide.

Curated examples

Planet name ideas

Cerythos

SEH-rih-thoss

Invented classical-sounding name with a slow orbital rhythm

Best for A tidally locked world with violent rotational storms

Thanara

thah-NAH-rah

Greek-inspired 'thanatos' (death) softened into a planetary name

Best for A harsh desert world barely supporting life

Veldris

VEL-dris

Dutch-inspired 'veld' (field or plain) + resonant suffix

Best for A vast grassland world used for agriculture

Pyrix

PY-riks

Greek-inspired 'pyr' (fire) + sharp planetary suffix

Best for A volcanic world rich in mineral resources

Merenthos

meh-REN-thos

Greek-inspired 'meros' (part or share) + cosmic suffix

Best for An ocean world with scattered island archipelagos

Zelvorn

ZEL-vorn

Invented phonology — sharp 'Z' and 'V' suggest an alien tongue

Best for An uncharted world in a restricted star sector

Ashfall Prime

ASH-fawl PRYM

English descriptive — 'volcanic ash' + 'prime' (first or primary colony)

Best for The oldest colony in a volcanic star system

Nolmara

nol-MAH-rah

Sanskrit-inspired 'nala' (watercourse) + lyrical suffix

Best for A jungle world of river civilizations

Draceon

DRAY-see-on

Latin-inspired 'draco' (dragon or serpent) + planetary suffix

Best for A world with dangerous megafauna and frontier colonies

Helivane

HEL-ih-vayn

Combines Greek-inspired solar imagery with an invented orbital suffix

Best for A Scandinavian-settled coastal colony world

Rythannis

rih-THAN-is

Greek-inspired rhythmic phonology + cosmic suffix

Best for A gas giant with spectacular ring systems

Korvath

KOR-vath

Invented phonology — percussive 'K' and 'V' suggest a militarized world

Best for A fortress world guarding a strategic hyperspace lane

Browse by tradition

Planet name collections

Planet Names: Harsh and Hostile Worlds

ThanaraPyrixKorvathDraceon

Planet Names: Lush and Habitable Worlds

VeldrisMerenthosNolmaraHelivane

Planet Names: Strange and Alien Worlds

CerythosZelvornAshfall PrimeRythannis

Behind the names

About Planet names

A planet name is the biggest label in your universe. It sits on star charts, trade routes, diplomatic documents, and the lips of every character who was born there or fights to control it. The most memorable science fiction and fantasy planet names balance strangeness with pronounceability: they should feel alien enough to be worth visiting but not so obscure that readers stumble every time they see the word. Real planet names in our solar system come from Roman mythology, but fictional planets can draw from Latin, Greek, Sanskrit, Arabic, and entirely invented phonology. This generator produces distinctive planet names with meanings rooted in linguistic patterns, pronunciation guides, and suggested world types so you know whether you are naming a gas giant, a tidally locked rock, an ocean world, or a jungle frontier colony. Planets anchor entire stories. A single name can suggest an entire setting: storms and survival, desert colonies and water wars, ring systems and orbital stations. The subtypes let you narrow results by planetary classification, ensuring the name matches the environment your characters will explore, exploit, or escape from. Treat each result as a creative starting point and check it against existing fictional settings before publication.

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