🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.78 AU - 0.86 AU

Year: 277 Days

Day: 36.5 Hours

Environment

Temp: 167 °C

Axial Tilt: 48.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.79 AU - 1.01 AU

Year: 318 Days

Day: 32.9 Hours

Environment

Temp: 41 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.88 AU - 1.08 AU

Year: 362 Days

Day: 26.5 Hours

Environment

Temp: 35 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.25 AU - 2.43 AU

Year: 1334 Days

Day: 17.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,936,598 km

• M1: 673,938 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.3

Radius: 8

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.19 AU - 8.41 AU

Year: 8121 Days

Day: 10.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,936,598 km

• M1: 99,483 km (0.086 R)
• M2: 565,480 km (0.063 R)
• M3: 970,292 km (0.075 R)
• M4: 1,459,776 km (0.081 R)
• M5: 1,846,935 km (0.105 R)
• M6: 3,028,310 km (0.088 R)
• M7: 3,456,309 km (0.036 R)
• M8: 5,460,472 km (0.098 R)
• M9: 7,858,975 km (0.113 R)
• M10: 8,543,385 km (0.084 R)
• M11: 9,756,175 km (0.107 R)
• M12: 11,631,234 km (0.025 R)
• M13: 13,507,940 km (0.115 R)
• M14: 16,079,378 km (0.101 R)
• M15: 19,030,944 km (0.083 R)
• M16: 19,459,541 km (0.119 R)
• M17: 29,634,141 km (0.076 R)
• M18: 32,284,866 km (0.069 R)
• M19: 33,615,838 km (0.078 R)
• M20: 36,059,520 km (0.094 R)
• M21: 36,386,840 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 17,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit