Skip to main content
Back to Names generators

Names

Constellation Name Generator

Each constellation name is built from two components: a root word drawn from a pool of 18 celestial or mythological terms (Vela, Lyra, Corvus, Aquila, Cygnus, Draco, Cetus, Orion, Perseus, Aurelia, Solara, Nyx, Astra, Caelum, Vesper, Lumen, Sidus, Nebula) and a Latin-flavoured second word drawn from a pool of 14 (Serpentis, Borealis, Australis, Majoris, Minoris, Venatici, Pictoris, Coronae, Umbrae, Lucis, Tempestatis, Aeternum, Ferox, Pacifica). The two are joined by a space. Results are accumulated in a JavaScript Set, which prevents exact duplicates within a single run; the generator retries random draws up to 400 times to fill the requested count, then shuffles the deduplicated list using a splice-based Fisher-Yates variant before returning up to 20 names. Science-fiction writers designing an alien solar system use this tool when they need star-pattern names that feel authentically astronomical without copying the 88 IAU-recognized constellations. Fantasy mapmakers populating a fictional night sky reach for it because the Latin genitive forms in the second-word pool — Serpentis, Coronae, Lucis — mirror the actual grammatical pattern real astronomers use (Canis Majoris, Ursae Minoris), so generated names sit naturally alongside canonical ones in prose or on a star chart. Tabletop RPG designers writing in-world astronomical lore and game developers naming star systems in a space exploration title round out the audience. Because deduplication is per-batch, merging results from multiple runs requires a manual check for cross-batch repeats. Requesting the maximum of 20 at once is the fastest way to build a large sky's worth of names.

Read the complete guide — 4 min read

How to use

  1. Choose your options above
  2. Click Generate
  3. Copy your result

Detailed instructions

  1. Choose how many names you want.
  2. Click Generate to build the list.
  3. Skim for ones that fit your world.
  4. Copy the names you like.

Use Cases

  • Naming constellations in a fantasy world
  • Theming a planetarium or sky show
  • Naming star systems in a game
  • Seeding science-fiction settings
  • Inventing a mythic night sky

Tips

  • Pair names with a star myth.
  • Generate again for more variety.
  • Mix with real constellations sparingly.
  • Great for fantasy night skies.

FAQ

How does the generator prevent duplicate names in one batch?

Pairs are added to a JavaScript Set, which silently discards any combination already seen. The generator attempts up to 400 random draws to fill the requested count. Once enough unique pairs are collected the list is shuffled with a splice-based Fisher-Yates algorithm before being returned. Cross-batch duplicates are not checked, so compare lists manually when combining multiple runs.

Why do the second words use Latin genitive forms?

Real IAU constellation names almost always put the second element in the Latin genitive — Ursae Majoris, Canis Minoris, Coronae Borealis. The second-word pool mirrors that pattern with entries like Serpentis, Coronae, and Lucis, so generated names parse grammatically in the same way and read as plausible on a star chart or in in-universe astronomy lore.

What is the maximum output per run?

The function caps results at 20 regardless of the count input. The 18-root by 14-second-word pool allows up to 252 unique pairs, so 20 is comfortably within reach. If you need more than 20 names, run the generator multiple times and merge the lists.

Do any of these match real constellation names?

Several roots echo official IAU names — Lyra, Corvus, Aquila, Cygnus, Draco, Orion, Perseus, Cetus, and Caelum are all real constellations. However, the specific two-part combinations produced (e.g. Lyra Ferox, Corvus Umbrae) do not correspond to any official constellation, so they are safe to use in fiction without misleading readers familiar with real astronomy.

Are these names usable in a published novel or game?

Yes. The names are assembled from Latin vocabulary and fragments of mythological proper nouns, none of which are under copyright. You can use them freely in any published work. The generator does not check whether a produced name coincidentally matches a trademark, so run a quick search before publishing if that matters for your project.

You might also like

Popular tools from other categories that share themes with this one.

Try these next

More free tools from other corners of the catalog, picked by shared themes.