🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.63 AU - 0.71 AU

Year: 197 Days

Day: 12.2 Hours

Environment

Temp: 163 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.28 AU - 2.02 AU

Year: 763 Days

Day: 20.2 Hours

Environment

Temp: -33 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,398,173 km

• M1: 388,356 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.83 AU - 2.43 AU

Year: 1119 Days

Day: 14.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.69 AU - 3.75 AU

Year: 2079 Days

Day: 28.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 12.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 13

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 9.62 AU - 14.82 AU

Year: 15374 Days

Day: 5.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,398,173 km

• M1: 162,463 km (0.11 R)
• M2: 616,343 km (0.048 R)
• M3: 1,311,973 km (0.055 R)
• M4: 1,801,607 km (0.105 R)
• M5: 2,312,484 km (0.084 R)
• M6: 2,943,189 km (0.053 R)
• M7: 3,742,340 km (0.091 R)
• M8: 4,424,955 km (0.109 R)
• M9: 7,510,711 km (0.05 R)
• M10: 10,174,600 km (0.071 R)
• M11: 11,207,573 km (0.053 R)
• M12: 12,183,550 km (0.118 R)
• M13: 14,304,399 km (0.086 R)
• M14: 16,429,885 km (0.066 R)
• M15: 18,926,524 km (0.057 R)
• M16: 24,359,620 km (0.115 R)
• M17: 28,583,665 km (0.111 R)
• M18: 29,369,952 km (0.094 R)
• M19: 30,634,802 km (0.092 R)
• M20: 38,045,282 km (0.1 R)
• M21: 39,547,693 km (0.054 R)
• M22: 46,414,983 km (0.054 R)
• M23: 47,345,183 km (0.049 R)
• M24: 48,287,649 km (0.088 R)
• M25: 56,987,962 km (0.055 R)
• M26: 58,592,848 km (0.11 R)
• M27: 61,334,229 km (0.084 R)

Kuiper Belt

Range: 30.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 10,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit