🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.55 AU - 0.71 AU

Year: 175 Days

Day: 43.1 Hours

Environment

Temp: 167 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.7 AU - 1.14 AU

Year: 309 Days

Day: 45 Hours

Environment

Temp: 141 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.78 AU - 2.14 AU

Year: 960 Days

Day: 35.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.5

Radius: 10.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.19 AU - 11.69 AU

Year: 10147 Days

Day: 10.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,740,408 km

• M1: 133,142 km (0.053 R)
• M2: 504,743 km (0.074 R)
• M3: 958,174 km (0.059 R)
• M4: 1,771,089 km (0.1 R)
• M5: 3,917,370 km (0.054 R)
• M6: 4,416,428 km (0.108 R)
• M7: 5,276,915 km (0.069 R)
• M8: 5,678,436 km (0.061 R)
• M9: 6,967,670 km (0.095 R)
• M10: 7,787,018 km (0.114 R)
• M11: 9,914,300 km (0.107 R)
• M12: 12,875,141 km (0.089 R)
• M13: 14,044,099 km (0.113 R)
• M14: 14,686,921 km (0.109 R)
• M15: 15,082,158 km (0.075 R)
• M16: 28,431,375 km (0.087 R)
• M17: 30,301,198 km (0.076 R)
• M18: 31,374,713 km (0.077 R)
• M19: 32,808,010 km (0.09 R)
• M20: 34,980,470 km (0.119 R)
• M21: 37,859,780 km (0.091 R)
• M22: 40,505,568 km (0.029 R)
• M23: 46,303,383 km (0.101 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 17,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit