🌌 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: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.52 AU - 0.62 AU

Year: 156 Days

Day: 39.7 Hours

Environment

Temp: 169 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,118,026 km

• M1: 17,503 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.5 AU - 0.83 AU

Year: 195 Days

Day: 23.1 Hours

Environment

Temp: 159 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.93 AU - 1.11 AU

Year: 374 Days

Day: 17.2 Hours

Environment

Temp: 32 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.96 AU - 1.34 AU

Year: 448 Days

Day: 24.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 26,118,026 km

• M1: 35,155 km (0.084 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.79 AU - 4.83 AU

Year: 3834 Days

Day: 42.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251

Radius: 9.5

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.79 AU - 7.09 AU

Year: 6645 Days

Day: 9.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,118,026 km

• M1: 118,182 km (0.079 R)
• M2: 500,554 km (0.081 R)
• M3: 827,127 km (0.118 R)
• M4: 1,281,306 km (0.103 R)
• M5: 1,744,910 km (0.104 R)
• M6: 2,243,519 km (0.051 R)
• M7: 3,102,660 km (0.11 R)
• M8: 3,711,074 km (0.11 R)
• M9: 4,077,290 km (0.109 R)
• M10: 4,515,013 km (0.112 R)
• M11: 5,323,291 km (0.102 R)
• M12: 8,149,942 km (0.104 R)
• M13: 11,043,016 km (0.119 R)
• M14: 14,296,919 km (0.113 R)
• M15: 17,004,042 km (0.063 R)
• M16: 17,836,405 km (0.118 R)
• M17: 19,072,083 km (0.113 R)
• M18: 19,970,418 km (0.109 R)
• M19: 23,337,567 km (0.114 R)
• M20: 24,365,005 km (0.064 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 15,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit