🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.49 AU - 0.59 AU

Year: 152 Days

Day: 33.5 Hours

Environment

Temp: 187 °C

Axial Tilt: 28.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.52 AU - 0.76 AU

Year: 196 Days

Day: 16.9 Hours

Environment

Temp: 132 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,968,459 km

• M1: 142,268 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.94 AU - 1.1 AU

Year: 394 Days

Day: 32 Hours

Environment

Temp: -1 °C

Axial Tilt: 49.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,968,459 km

• M1: 21,841 km (0.05 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.31 AU - 2.05 AU

Year: 834 Days

Day: 36.3 Hours

Environment

Temp: -71 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,968,459 km

• M1: 15,259 km (0.103 R)

Asteroid Belt

Center: 9.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.5

Radius: 5

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 16.32 AU - 19.58 AU

Year: 29118 Days

Day: 18.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,968,459 km

• M1: 62,233 km (0.116 R)
• M2: 251,474 km (0.095 R)
• M3: 606,470 km (0.11 R)
• M4: 973,733 km (0.109 R)
• M5: 1,221,167 km (0.112 R)
• M6: 1,644,230 km (0.079 R)
• M7: 1,996,683 km (0.057 R)
• M8: 2,558,722 km (0.094 R)
• M9: 2,927,630 km (0.085 R)
• M10: 3,445,089 km (0.113 R)
• M11: 4,053,205 km (0.068 R)
• M12: 5,638,793 km (0.12 R)
• M13: 8,835,998 km (0.114 R)
• M14: 12,787,776 km (0.078 R)
• M15: 25,216,965 km (0.062 R)
• M16: 31,734,496 km (0.116 R)
• M17: 31,990,607 km (0.109 R)
• M18: 43,561,105 km (0.097 R)
• M19: 44,514,791 km (0.11 R)
• M20: 44,835,679 km (0.1 R)
• M21: 45,158,212 km (0.097 R)
• M22: 49,149,782 km (0.087 R)
• M23: 49,837,035 km (0.116 R)
• M24: 59,948,205 km (0.081 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 17,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit