🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.46 AU - 0.62 AU

Year: 141 Days

Day: 23.9 Hours

Environment

Temp: 186 °C

Axial Tilt: 22.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 37,928,082 km

• M1: 186,698 km (0.094 R)
• M2: 466,596 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.51 AU - 0.65 AU

Year: 157 Days

Day: 29.3 Hours

Environment

Temp: 250 °C

Axial Tilt: 177.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.33 AU - 3.55 AU

Year: 1797 Days

Day: 22.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.54 AU - 5.58 AU

Year: 4057 Days

Day: 24.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 15.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.2

Radius: 7.4

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 13.12 AU - 17 AU

Year: 20832 Days

Day: 19.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,928,082 km

• M1: 125,513 km (0.115 R)
• M2: 390,151 km (0.078 R)
• M3: 845,078 km (0.052 R)
• M4: 4,381,871 km (0.067 R)
• M5: 5,022,898 km (0.116 R)
• M6: 5,756,825 km (0.117 R)
• M7: 6,560,315 km (0.118 R)
• M8: 10,822,060 km (0.106 R)
• M9: 17,298,151 km (0.043 R)
• M10: 21,648,158 km (0.106 R)
• M11: 21,961,566 km (0.058 R)
• M12: 23,246,163 km (0.097 R)
• M13: 25,439,268 km (0.087 R)
• M14: 29,940,518 km (0.083 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 19,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit