🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.56 AU - 0.88 AU

Year: 220 Days

Day: 17.7 Hours

Environment

Temp: 176 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 9,159,940 km

• M1: 56,997 km (0.112 R)
• M2: 163,062 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.84 AU - 0.98 AU

Year: 312 Days

Day: 14.1 Hours

Environment

Temp: 90 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.9 AU - 1.94 AU

Year: 957 Days

Day: 20.6 Hours

Environment

Temp: -57 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.75 AU - 2.23 AU

Year: 1010 Days

Day: 17.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 56.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.2

Radius: 8.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.23 AU - 6.15 AU

Year: 4255 Days

Day: 11.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 9,159,940 km

• M1: 103,821 km (0.119 R)
• M2: 473,178 km (0.108 R)
• M3: 856,298 km (0.089 R)
• M4: 1,147,715 km (0.078 R)
• M5: 1,880,445 km (0.091 R)
• M6: 2,970,415 km (0.112 R)
• M7: 3,241,337 km (0.088 R)
• M8: 3,796,495 km (0.098 R)
• M9: 4,174,529 km (0.048 R)
• M10: 5,414,994 km (0.096 R)
• M11: 5,748,149 km (0.085 R)
• M12: 6,299,118 km (0.094 R)
• M13: 8,381,969 km (0.046 R)
• M14: 10,480,228 km (0.112 R)
• M15: 12,697,568 km (0.081 R)
• M16: 13,762,256 km (0.117 R)
• M17: 14,249,048 km (0.072 R)
• M18: 15,023,965 km (0.069 R)
• M19: 16,165,247 km (0.046 R)
• M20: 16,607,907 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 12.8

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.74 AU - 5.72 AU

Year: 4305 Days

Day: 7.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 9,159,940 km

• M1: 159,172 km (0.073 R)
• M2: 757,115 km (0.086 R)
• M3: 2,202,230 km (0.075 R)
• M4: 2,700,092 km (0.108 R)
• M5: 3,353,535 km (0.072 R)
• M6: 5,589,874 km (0.062 R)
• M7: 8,023,383 km (0.104 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 19,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit