🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.48 AU - 0.54 AU

Year: 139 Days

Day: 31.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.65 AU - 0.89 AU

Year: 257 Days

Day: 30.9 Hours

Environment

Temp: 143 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.31 AU - 1.41 AU

Year: 604 Days

Day: 36.7 Hours

Environment

Temp: -44 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,918,769 km

• M1: 288,574 km (0.081 R)
• M2: 401,820 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.39 AU - 1.75 AU

Year: 749 Days

Day: 39.8 Hours

Environment

Temp: -53 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,918,769 km

• M1: 86,168 km (0.091 R)

Asteroid Belt

Center: 4.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.2

Radius: 10.5

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.43 AU - 8.55 AU

Year: 7806 Days

Day: 10.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,918,769 km

• M1: 131,048 km (0.087 R)
• M2: 522,097 km (0.08 R)
• M3: 954,734 km (0.099 R)
• M4: 1,451,997 km (0.12 R)
• M5: 1,953,748 km (0.044 R)
• M6: 2,666,582 km (0.108 R)
• M7: 3,308,656 km (0.084 R)
• M8: 3,642,110 km (0.055 R)
• M9: 4,433,482 km (0.038 R)
• M10: 4,840,239 km (0.105 R)
• M11: 5,432,198 km (0.106 R)
• M12: 5,898,794 km (0.088 R)
• M13: 6,648,728 km (0.027 R)
• M14: 7,105,001 km (0.073 R)
• M15: 9,235,873 km (0.093 R)
• M16: 11,276,538 km (0.065 R)
• M17: 12,317,290 km (0.114 R)
• M18: 15,427,131 km (0.032 R)
• M19: 17,340,039 km (0.069 R)
• M20: 20,103,560 km (0.097 R)
• M21: 24,198,353 km (0.068 R)
• M22: 28,321,270 km (0.106 R)
• M23: 33,659,671 km (0.116 R)
• M24: 35,234,487 km (0.1 R)
• M25: 37,093,989 km (0.062 R)
• M26: 39,017,967 km (0.083 R)
• M27: 39,509,097 km (0.069 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 20,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit