2642:1530:7:1
System Name: Yttrophen
Main Species: Human Beings
Orbital  | No |
Wormhole  | No |
Garden Gate  | Yes |
| Asteroids | Yes |
| Oort Cloud | No |
| Wormhole Destination | |
| Bleak Garden Gate | No |
Planets
Inner
Class N: Extremely high surface temperature, and an atmosphere inhospitable to most life.
Class D: Planetoid, moon or asteroid. Examples include Regula and Rura Penthe.
Class H: Uninhabitable desert world. Tau Cygna V is one such planet.
Middle
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.
This is the main planet of occupation. Human Beings live here for the most part.
Outer
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.
Extreme
Class I: Gas supergiant
Class T: Gas giant. Second smallest designation of gas giant, one size larger than Class J. Typically, Iffens occur here