🌌 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: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.58 AU - 0.74 AU

Year: 187 Days

Day: 22 Hours

Environment

Temp: 214 °C

Axial Tilt: 27.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.81 AU - 1.13 AU

Year: 333 Days

Day: 20.5 Hours

Environment

Temp: 89 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,213,361 km

• M1: 71,657 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.99 AU - 2.27 AU

Year: 1083 Days

Day: 26.4 Hours

Environment

Temp: -58 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.75 AU - 2.67 AU

Year: 1144 Days

Day: 26.2 Hours

Environment

Temp: -61 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,213,361 km

• M1: 148,700 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.71 AU - 4.43 AU

Year: 2859 Days

Day: 28.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.2

Radius: 10.3

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.87 AU - 11.17 AU

Year: 11883 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,213,361 km

• M1: 140,472 km (0.119 R)
• M2: 777,011 km (0.113 R)
• M3: 1,224,010 km (0.089 R)
• M4: 2,285,107 km (0.109 R)
• M5: 2,670,172 km (0.119 R)
• M6: 3,709,728 km (0.053 R)
• M7: 6,810,892 km (0.081 R)
• M8: 9,632,009 km (0.103 R)
• M9: 12,988,985 km (0.103 R)
• M10: 18,812,381 km (0.117 R)
• M11: 20,538,292 km (0.093 R)
• M12: 22,367,275 km (0.11 R)
• M13: 24,887,251 km (0.117 R)
• M14: 29,153,483 km (0.108 R)
• M15: 32,454,809 km (0.084 R)

Kuiper Belt

Range: 31.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 14,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit