Orbital - Planet Generator

🪐 ORBITAL — PROCEDURAL PLANET GENERATOR

Discover infinite worlds. Build entire galaxies. Never stare at a blank page again.

ORBITAL is a free, browser-based procedural planet generator designed for sci-fi 

novelists, tabletop RPG game masters, creative writers, and worldbuilders. Each 

planet is generated with a unique visual, environment type, atmosphere, biome, and 

a ready-to-use environmental summary — perfect for dropping straight into your 

campaign or manuscript.

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✦ WHAT IT DOES

- Generates a unique planet visual with each discovery

- Assigns planet type (Oceanic, Desert, Gas Giant, Ice World, etc.)

- Defines primary biome, atmosphere, and visual style

- Creates a ready-to-use environmental summary paragraph

- Tracks your Discovery Log so you can browse what you've found

- Each planet gets a sector/node location for lore immersion

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✦ PERFECT FOR

→ Star Wars / Traveller / Mothership RPG game masters building new systems

→ Sci-fi novelists and short story writers seeking worldbuilding inspiration

→ Tabletop campaign prep — create an entire sector in minutes

→ Game designers prototyping alien environments

→ Anyone who just loves discovering new worlds

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✦ HOW TO USE IT

1. Hit DISCOVER PLANET

2. Read your Environmental Summary

3. Hit again to explore more worlds

4. Keep what inspires you

No login. No install. Completely free.

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Built with love for the sci-fi and TTRPG communities. 

Feedback welcome — I'm actively developing new features.