🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.59 AU - 0.71 AU

Year: 158 Days

Day: 40.5 Hours

Environment

Temp: 257 °C

Axial Tilt: 24.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.62 AU - 0.78 AU

Year: 177 Days

Day: 31.5 Hours

Environment

Temp: 270 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,095,733 km

• M1: 43,084 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.59 AU - 0.93 AU

Year: 200 Days

Day: 44.3 Hours

Environment

Temp: 249 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.07 AU - 4.75 AU

Year: 2337 Days

Day: 19.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.6

Radius: 9.4

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.76 AU - 10.54 AU

Year: 9775 Days

Day: 9.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 104.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,095,733 km

• M1: 118,482 km (0.098 R)
• M2: 780,751 km (0.116 R)
• M3: 1,078,451 km (0.096 R)
• M4: 1,995,037 km (0.116 R)
• M5: 3,791,259 km (0.115 R)
• M6: 4,229,730 km (0.026 R)
• M7: 4,935,683 km (0.097 R)
• M8: 8,435,226 km (0.098 R)
• M9: 8,826,424 km (0.084 R)
• M10: 9,229,740 km (0.105 R)
• M11: 9,833,966 km (0.114 R)
• M12: 16,514,558 km (0.055 R)
• M13: 18,837,065 km (0.101 R)
• M14: 20,579,132 km (0.081 R)
• M15: 22,508,944 km (0.101 R)
• M16: 23,860,561 km (0.112 R)
• M17: 25,265,435 km (0.113 R)
• M18: 27,664,835 km (0.069 R)
• M19: 30,313,316 km (0.112 R)
• M20: 32,380,758 km (0.118 R)
• M21: 36,794,793 km (0.084 R)
• M22: 37,723,347 km (0.12 R)

Kuiper Belt

Range: 36.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 12,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit