🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.7 AU - 0.8 AU

Year: 243 Days

Day: 27.4 Hours

Environment

Temp: 117 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.62 AU - 0.98 AU

Year: 268 Days

Day: 20.5 Hours

Environment

Temp: 100 °C

Axial Tilt: 7.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.78 AU - 4.06 AU

Year: 2370 Days

Day: 34.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,190,928 km

• M1: 1,873,414 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.91 AU - 3.99 AU

Year: 2942 Days

Day: 37.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.9

Radius: 12.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.91 AU - 13.19 AU

Year: 14710 Days

Day: 11.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,190,928 km

• M1: 160,519 km (0.114 R)
• M2: 563,834 km (0.079 R)
• M3: 1,154,746 km (0.076 R)
• M4: 3,179,553 km (0.073 R)
• M5: 3,648,692 km (0.05 R)
• M6: 5,141,230 km (0.1 R)
• M7: 5,608,873 km (0.093 R)
• M8: 7,008,361 km (0.081 R)
• M9: 9,592,515 km (0.091 R)
• M10: 10,955,351 km (0.117 R)
• M11: 12,651,791 km (0.093 R)
• M12: 15,276,635 km (0.054 R)
• M13: 18,650,516 km (0.061 R)
• M14: 19,408,379 km (0.056 R)
• M15: 21,579,942 km (0.08 R)
• M16: 23,828,846 km (0.055 R)
• M17: 24,639,368 km (0.083 R)
• M18: 25,217,563 km (0.089 R)
• M19: 29,614,544 km (0.095 R)
• M20: 31,123,239 km (0.119 R)
• M21: 33,784,136 km (0.094 R)
• M22: 34,190,893 km (0.082 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 18,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit