🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.61 AU - 0.69 AU

Year: 187 Days

Day: 30.5 Hours

Environment

Temp: 199 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.01 AU - 1.33 AU

Year: 451 Days

Day: 36.8 Hours

Environment

Temp: 8 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,221,323 km

• M1: 38,297 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.62 AU - 2.06 AU

Year: 890 Days

Day: 29.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 165.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.11 AU - 2.39 AU

Year: 1203 Days

Day: 12 Hours

Environment

Temp: -78 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,221,323 km

• M1: 329,265 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.9

Radius: 12.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.95 AU - 12.19 AU

Year: 14028 Days

Day: 12.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,221,323 km

• M1: 152,739 km (0.032 R)
• M2: 704,756 km (0.11 R)
• M3: 1,298,958 km (0.101 R)
• M4: 2,496,788 km (0.106 R)
• M5: 3,009,012 km (0.113 R)
• M6: 3,858,877 km (0.071 R)
• M7: 4,273,413 km (0.114 R)
• M8: 6,450,511 km (0.095 R)
• M9: 9,375,747 km (0.083 R)
• M10: 10,521,517 km (0.065 R)
• M11: 11,651,879 km (0.048 R)
• M12: 12,246,530 km (0.118 R)
• M13: 18,185,267 km (0.119 R)
• M14: 19,810,348 km (0.096 R)
• M15: 23,009,798 km (0.059 R)
• M16: 24,908,793 km (0.092 R)
• M17: 42,095,195 km (0.112 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 13,016 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit