Contents

1. Discovery and Exploration
2. Structure and Composition
   1. Distances and Scale
3. Sun
4. Interplanetary Medium
5. Epistellar System
6. Inner System
7. Outer System
8. Galactic Context

System age: 7 billion years
Binary Star System

Primary Star:

Spectral type/luminosity class: M-V (Red dwarf)

Epistellar planets

Secondary Star:

Spectral type/luminosity class: M-Ve (flare star)

Inner planets

Jovian/Jovian
Size: 16 [Planetary-Mass Artifact]
Atmosphere: 16 [Gas Giant Envelope]
Hydrosphere: 16 [Gas Giant Core]
Biosphere: 0 [Sterile]
Population: 1 [Few]
Government: 0 [None]
Law: 0 [No restrictions]
Tech level: 8
Industry: 2 [Primitive. Mostly only raw materials made locally.]
Complex ring system
Extreme environment
Outpost

Terrestrial/Tectonic
Size: 8 [12,800 km, 1.0 G (Terra)]
Atmosphere: 9 [Dense Tainted]
Hydrosphere: 8 [< = 85% (Water world)]
Biosphere: 1 [Building blocks (amino acids, or equivalent)]
Population: 4 [Tens of thousands]
Government: 5 [Feudal technocracy]
Law: 0 [No restrictions]
Tech level: 8
Industry: 5 [Industrial. Local tools maintained, some produced.]
Water chemistry
Terraformed
Garden world
Outpost

Dwarf Planet/Rockball
Size: 4 [6 400 km, 0.35 G (Mars) ]
Atmosphere: 0 [Vacuum]
Hydrosphere: 1 [< = 15% (Dry / tiny ice caps)]
Biosphere: 0 [Sterile]
T-Prime atmosphere

Outer planets

Dwarf Planet/Snowball
Size: 1 [1 600 km, 0.05 G]
Atmosphere: 0 [Vacuum]
Hydrosphere: 10 [< = 100% (Total coverage) ]
Biosphere: 0 [Sterile]
Population: 1 [Few]
Government: 1 [Company or corporation]
Law: 3 [Light restrictions: heavy weapons, narcotics, alien technology]
Tech level: 9
Industry: 3 [Primitive. Mostly only raw materials made locally.]
Frozen
Methane chemistry
T-Prime atmosphere
Outpost

Helian/Panthalassic
Size: 11 [Helian scale]
Atmosphere: 13 [Super-High Density]
Hydrosphere: 11 [Superdense (incredibly deep world oceans)]
Biosphere: 5 [Complex single-celled life (nucleic cells, or equivalent)]
Population: 1 [Few]
Government: 3 [Self-perpetuating oligarchy]
Law: 2 [Light restrictions: heavy weapons, narcotics, alien technology]
Tech level: 10
Industry: 2 [Primitive. Mostly only raw materials made locally.]
Methane chemistry
Extreme environment
Outpost

Dwarf Planet/Rockball
Size: 7 [11 200 km, 0.9 G]
Atmosphere: 0 [Vacuum]
Hydrosphere: 2 [< = 25% (Small seas / ice caps)]
Biosphere: 0 [Sterile]
Population: 2 [Hundreds]
Government: 0 [None]
Law: 0 [No restrictions]
Tech level: 10
Industry: 4 [Industrial. Local tools maintained, some produced.]
T-Prime atmosphere
Colony

Dwarf Planet/Rockball
Size: 5 [8 000 km, 0.45 G]
Atmosphere: 0 [Vacuum]
Hydrosphere: 0 [< = 5% (Trace)]
Biosphere: 0 [Sterile]
Population: 4 [Tens of thousands]
Government: 4 [Representative democracy]
Law: 4 [Light restrictions: heavy weapons, narcotics, alien technology]
Tech level: 7
Industry: 4 [Industrial. Local tools maintained, some produced.]
Dry world
T-Prime atmosphere
Outpost

Dwarf Planet/Snowball
Size: 2 [3 200 km, 0.15 G (Triton, Luna, Europa)]
Atmosphere: 0 [Vacuum]
Hydrosphere: 10 [< = 100% (Total coverage) ]
Biosphere: 0 [Sterile]
Frozen
Methane chemistry
T-Prime atmosphere

Asteroid Belt/Asteroids
Size: 0 [< 800 km, neg. gravity]
Atmosphere: 0 [Vacuum]
Hydrosphere: 0 [< = 5% (Trace)]
Biosphere: 0 [Sterile]
Population: 1 [Few]
Government: 4 [Representative democracy]
Law: 7 [Heavy restrictions: most weapons, specialized tools and information, foreigners]
Tech level: 11
Industry: 0 [No industry. All goods are imported.]
Outpost

Terrestrial/Tectonic
Size: 8 [12,800 km, 1.0 G (Terra)]
Atmosphere: 9 [Dense Tainted]
Hydrosphere: 8 [< = 85% (Water world)]
Biosphere: 1 [Building blocks (amino acids, or equivalent)]
Population: 4 [Tens of thousands]
Government: 5 [Feudal technocracy]
Law: 0 [No restrictions]
Tech level: 8
Industry: 5 [Industrial. Local tools maintained, some produced.]
Water chemistry
Terraformed
Garden world
Outpost