Planet Types
Agri world
Population Guide: 100k-1bil
This type of world is devoted to farming and agriculture. Imports include transportation vehicles, farming machinery and power cells. Very few agri worlds have facilities for the production of these items. Principal exports are foodstuffs.
Mine world
Population Guide: 50k-500k
Few people live on mine worlds, due to the extremity of the conditions there. Too hot, cold or without enough water to be usable as a Mix world, these planets are nonetheless valuable to the Noble Houses due to the excessive amounts of minerals that can be found there.
Mix world
Population Guide: 20m-10bil
Earth-like; these worlds would be self-sufficient except for power cells and the Legacy goods used in certain factories. Principal exports are non-Legacy technology and skilled personnel (e.g. for recruitment into an army or guild). Some civilised worlds do contain small Autofactories and therefore just import the raw materials for power cells where they cannot be obtained locally.
Factory world
Population Guide: 50k-5bil
These worlds are the home of the great Autofactories that produce the Legacy devices which the other planets of the Empire rely on. Many of these factories are lying dormant as their use is unknown. The worlds are sometimes only populated with those people required to run the factories, which constantly work to produce the goods of the Empire and thus make life on the planet rather uncomfortable. In other cases, the factories cover a smaller part of the world and the rest is used more like a mix world; the Factory world designation is applied to any planet with factory related usage of more than 25% of the land mass. Unusual weather patterns are often observed on Factory worlds, perhaps related to the source of the factories' power.
Death world
Population Guide: 0-5m
These worlds are often maintained solely as prisons and army training facilities due to the hostile nature of the environment and lack of mineral resources. Perhaps the hostility comes from deep jungles with dangerous creatures, perhaps from chemical storms that strip the flesh off the unprotected; death worlds are notoriously varied. Due to the extreme dangers in exploring Death worlds, many have uncharted regions where there may still be caches of Legacy equipment.