Orbital - Planet Generator

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.

• — 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

• → 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

• 1. Hit DISCOVER PLANET inside the tool
• 2. Read your Environmental Summary
• 3. Hit again to explore more worlds
• 4. Keep what inspires you