🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.51 AU - 0.55 AU

Year: 137 Days

Day: 24 Hours

Environment

Temp: 216 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,451,878 km

• M1: 171,439 km (0.025 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.5 AU - 0.72 AU

Year: 169 Days

Day: 43.5 Hours

Environment

Temp: 196 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.69 AU - 1.13 AU

Year: 308 Days

Day: 40.9 Hours

Environment

Temp: 105 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,451,878 km

• M1: 56,997 km (0.029 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.98 AU - 1.32 AU

Year: 438 Days

Day: 35.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,451,878 km

• M1: 41,139 km (0.11 R)

Asteroid Belt

Center: 5.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774

Radius: 13.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.11 AU - 12.23 AU

Year: 12365 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,451,878 km

• M1: 181,013 km (0.111 R)
• M2: 920,476 km (0.076 R)
• M3: 2,604,349 km (0.114 R)
• M4: 3,647,495 km (0.096 R)
• M5: 4,600,135 km (0.1 R)
• M6: 10,786,904 km (0.103 R)
• M7: 12,553,655 km (0.104 R)
• M8: 13,966,756 km (0.054 R)
• M9: 14,919,844 km (0.105 R)
• M10: 20,261,236 km (0.119 R)
• M11: 20,953,127 km (0.11 R)
• M12: 22,111,014 km (0.118 R)
• M13: 23,783,967 km (0.098 R)
• M14: 27,801,717 km (0.061 R)
• M15: 30,418,184 km (0.09 R)
• M16: 36,010,152 km (0.058 R)
• M17: 39,917,200 km (0.049 R)
• M18: 41,556,194 km (0.099 R)
• M19: 46,892,051 km (0.071 R)
• M20: 55,306,333 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.3

Radius: 5.1

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 12.32 AU - 17.72 AU

Year: 20651 Days

Day: 23.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,451,878 km

• M1: 64,028 km (0.1 R)
• M2: 484,996 km (0.12 R)
• M3: 759,957 km (0.07 R)
• M4: 1,242,261 km (0.12 R)
• M5: 1,974,841 km (0.111 R)
• M6: 2,205,372 km (0.119 R)
• M7: 2,961,439 km (0.09 R)
• M8: 3,121,958 km (0.077 R)
• M9: 4,069,660 km (0.031 R)
• M10: 4,685,705 km (0.099 R)
• M11: 5,195,384 km (0.115 R)
• M12: 5,991,544 km (0.107 R)
• M13: 6,249,301 km (0.074 R)
• M14: 7,650,286 km (0.118 R)
• M15: 8,912,443 km (0.048 R)
• M16: 15,015,737 km (0.057 R)
• M17: 19,027,952 km (0.071 R)
• M18: 19,344,949 km (0.097 R)
• M19: 24,625,006 km (0.062 R)
• M20: 32,675,616 km (0.105 R)
• M21: 33,473,720 km (0.039 R)
• M22: 34,168,154 km (0.05 R)
• M23: 34,518,961 km (0.083 R)
• M24: 39,556,819 km (0.045 R)
• M25: 40,724,580 km (0.07 R)
• M26: 43,401,783 km (0.069 R)
• M27: 43,950,957 km (0.085 R)
• M28: 44,504,768 km (0.114 R)
• M29: 46,194,027 km (0.083 R)
• M30: 47,488,647 km (0.074 R)
• M31: 49,103,556 km (0.046 R)
• M32: 49,849,601 km (0.08 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 15,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit