Random Subsector Generator

Create Random Cepheus Engine RPG SubSector Maps!


Race:
Select the race You want Your subsector generated for. If you select Human, the names of the planets will be based on astronomical objects. If you select SciFi, the names of the planets will be based on fictional astronomical objects. If you select Zork, you will get a subsector with planet names that are inspired by an intrepid space explorer in a very small ship (that usually crashes.) If you select 42, the names of the planets will be based on a universe where towels are important. If you select Galax, the planet names will be inspired by a game with a galaxy with many races.

Settlement:
Select what type of settlement this subsector will have. This will affect the starport quality, the population, and the tech-level.

Atmosphere Fix:
If you select “NO”, then standard rules are used for atmosphere. If you select “YES” then the size of small planets with breathable atmospheres will increase without breaking any rules.

Ignore population for Starport:
The Cepheus Engine rules will give you a lot of low population worlds with starport X. If you think this is a problem, then you can ignore this rule.

Subsector:
Select which subsector of the sector You want to create. This will only affect the numbering of the planets.

Sector name:
Select if You want a random name for the sector, or if You want to determine the name yourself.

Subsector name:
Select if You want a random name for the subsector, or if You want to determine the name yourself.

Capital name:
Select if You want a random name for the subsector capital, or if You want to determine the name yourself.

Random Neighbours:
Select if You want a random names for the neighbouring subsectors, or if You want to determine the names yourself.

Density:
Select the stellar density for the subsector. Standard is 50% chance for each hex having a system.

Send to TravellerMap.com:
Select your options for the map style and click “Send to TravellerMap.com” to send the random data to Traveller Map. The generated map opens in a new window.

Select Background:
Select dark or light background or select one of the other ones with stars and nebulas. You can also select a transparent background so that you can add your own backgrounds.

Download Image:
Right-Click and select save as! The image is big 2922 x 2066 pixels.

Launch Editor:
The editor is a very simple tool that lets you edit the subsector. You should read about how the Subsector Editor works and its limitations before getting too frustrated.

Planet Types:

Planet Key