Orbital | No |
Wormhole ![]() | Yes |
Garden Gate | No |
| Asteroids | Yes |
| Oort Cloud | Yes |
| Wormhole Destination | 3968:1785:3:5 |
| Bleak Garden Gate | No |
Class N: Extremely high surface temperature, and an atmosphere inhospitable to most life.
Class H: Uninhabitable desert world. Tau Cygna V is one such planet.
Class K: Planet that is barren and has no native life, but could be hospitable with terraforming or if buildings were constructed inside habitable domes. Mars is considered a Class K world.
Class M: Earth-like both in its size, core, and age as well as in the advancement of the native creatures. Class M worlds are frequently the home of sapient races capable of traveling in space.
Class M: Earth-like both in its size, core, and age as well as in the advancement of the native creatures. Class M worlds are frequently the home of sapient races capable of traveling in space.
Class T: Gas giant. Second smallest designation of gas giant, one size larger than Class J. Typically, Iffens occur here
Class T: Gas giant. Second smallest designation of gas giant, one size larger than Class J. Typically, Iffens occur here