🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.46 AU - 0.68 AU

Year: 156 Days

Day: 44.2 Hours

Environment

Temp: 177 °C

Axial Tilt: 37.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.76 AU - 1.92 AU

Year: 903 Days

Day: 47.5 Hours

Environment

Temp: -55 °C

Axial Tilt: 164.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.61 AU - 2.85 AU

Year: 1631 Days

Day: 42.5 Hours

Environment

Temp: -88 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,565,534 km

• M1: 346,768 km (0.057 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.48 AU - 4.52 AU

Year: 2893 Days

Day: 38.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.8

Radius: 13.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.43 AU - 6.19 AU

Year: 5065 Days

Day: 6 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,565,534 km

• M1: 285,882 km (0.071 R)
• M2: 727,494 km (0.07 R)
• M3: 1,199,775 km (0.105 R)
• M4: 1,679,236 km (0.038 R)
• M5: 2,680,644 km (0.066 R)
• M6: 4,608,063 km (0.118 R)
• M7: 9,678,533 km (0.085 R)
• M8: 14,998,383 km (0.026 R)
• M9: 15,423,092 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142

Radius: 10.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.94 AU - 11.12 AU

Year: 10640 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,565,534 km

• M1: 126,709 km (0.112 R)
• M2: 498,011 km (0.114 R)
• M3: 944,561 km (0.084 R)
• M4: 1,398,740 km (0.061 R)
• M5: 1,728,304 km (0.095 R)
• M6: 2,260,274 km (0.045 R)
• M7: 2,633,371 km (0.1 R)
• M8: 3,631,788 km (0.081 R)
• M9: 4,007,877 km (0.101 R)
• M10: 5,407,365 km (0.103 R)
• M11: 6,906,934 km (0.087 R)
• M12: 10,485,464 km (0.119 R)
• M13: 11,484,329 km (0.11 R)
• M14: 14,312,477 km (0.057 R)
• M15: 15,887,443 km (0.094 R)
• M16: 16,298,538 km (0.111 R)
• M17: 18,461,873 km (0.1 R)
• M18: 20,532,009 km (0.086 R)
• M19: 22,092,015 km (0.087 R)
• M20: 22,752,340 km (0.11 R)
• M21: 23,501,526 km (0.025 R)
• M22: 24,891,440 km (0.111 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 18,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit