Orbital | No |
Wormhole ![]() | No |
Garden Gate | No |
| Asteroids | No |
| Oort Cloud | Yes |
| Wormhole Destination | None |
| Bleak Garden Gate | No |
Class D: Planetoid, moon or asteroid. Examples include Regula and Rura Penthe.
Class T: Gas giant. Second smallest designation of gas giant, one size larger than Class J. Typically, Iffens occur here
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.