🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.68 AU - 0.86 AU

Year: 240 Days

Day: 47.2 Hours

Environment

Temp: 172 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.97 AU - 1.31 AU

Year: 432 Days

Day: 16 Hours

Environment

Temp: 29 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.28 AU - 5.52 AU

Year: 3848 Days

Day: 25.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 11.3

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.34 AU - 6.3 AU

Year: 4353 Days

Day: 11.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,004,045 km

• M1: 141,220 km (0.071 R)
• M2: 532,868 km (0.061 R)
• M3: 997,219 km (0.076 R)
• M4: 1,411,157 km (0.117 R)
• M5: 2,039,019 km (0.056 R)
• M6: 2,599,861 km (0.045 R)
• M7: 4,783,242 km (0.031 R)
• M8: 5,778,367 km (0.12 R)
• M9: 6,590,385 km (0.113 R)
• M10: 7,507,719 km (0.111 R)
• M11: 9,234,826 km (0.071 R)
• M12: 9,890,214 km (0.104 R)
• M13: 11,664,894 km (0.056 R)
• M14: 13,275,913 km (0.115 R)
• M15: 14,016,572 km (0.097 R)
• M16: 15,429,076 km (0.102 R)
• M17: 16,934,479 km (0.049 R)
• M18: 18,535,475 km (0.049 R)
• M19: 19,110,230 km (0.03 R)

Asteroid Belt

Center: 6.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 9.6

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.12 AU - 7.54 AU

Year: 7040 Days

Day: 5.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,004,045 km

• M1: 121,025 km (0.093 R)
• M2: 1,269,936 km (0.119 R)
• M3: 2,117,259 km (0.091 R)
• M4: 3,368,645 km (0.108 R)
• M5: 3,903,906 km (0.092 R)
• M6: 4,335,346 km (0.066 R)
• M7: 9,017,909 km (0.095 R)
• M8: 9,957,833 km (0.032 R)
• M9: 12,031,558 km (0.072 R)
• M10: 12,892,344 km (0.1 R)
• M11: 13,337,847 km (0.115 R)
• M12: 16,101,967 km (0.098 R)
• M13: 17,959,673 km (0.042 R)
• M14: 24,132,231 km (0.045 R)
• M15: 25,412,190 km (0.112 R)
• M16: 30,789,187 km (0.076 R)
• M17: 32,192,115 km (0.109 R)
• M18: 32,600,817 km (0.067 R)

Kuiper Belt

Range: 30.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 10,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit