🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.14 AU - 2.16 AU

Year: 1163 Days

Day: 19.8 Hours

Environment

Temp: -78 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.77 AU - 3.67 AU

Year: 2132 Days

Day: 29.8 Hours

Environment

Temp: -104 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.08 AU - 4.54 AU

Year: 2744 Days

Day: 47.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.11 AU - 5.07 AU

Year: 3052 Days

Day: 27.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.19 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 16.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.5

Radius: 5.2

Gravity: 19.25 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 13.57 AU - 19.01 AU

Year: 24258 Days

Day: 17.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,967,684 km

• M1: 64,776 km (0.116 R)
• M2: 250,277 km (0.074 R)
• M3: 631,901 km (0.091 R)
• M4: 1,583,493 km (0.073 R)
• M5: 4,673,437 km (0.062 R)
• M6: 5,152,450 km (0.083 R)
• M7: 7,497,097 km (0.106 R)
• M8: 9,010,729 km (0.088 R)
• M9: 11,547,609 km (0.11 R)
• M10: 13,626,421 km (0.108 R)
• M11: 16,685,249 km (0.054 R)
• M12: 17,624,125 km (0.103 R)
• M13: 18,597,858 km (0.047 R)
• M14: 20,459,154 km (0.091 R)
• M15: 28,544,321 km (0.117 R)
• M16: 32,690,575 km (0.037 R)
• M17: 33,218,955 km (0.096 R)
• M18: 50,778,454 km (0.085 R)
• M19: 56,253,287 km (0.086 R)
• M20: 62,918,620 km (0.09 R)
• M21: 76,161,174 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 16,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit