🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.54 AU - 0.7 AU

Year: 320 Days

Day: 28.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,403,267 km

• M1: 559,795 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.2

Radius: 8.5

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.77 AU - 0.91 AU

Year: 505 Days

Day: 8.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 9,403,267 km

• M1: 105,766 km (0.082 R)
• M2: 383,419 km (0.12 R)
• M3: 665,860 km (0.079 R)
• M4: 1,083,537 km (0.075 R)
• M5: 1,517,820 km (0.071 R)
• M6: 1,792,182 km (0.043 R)
• M7: 2,179,940 km (0.119 R)
• M8: 2,695,604 km (0.035 R)
• M9: 3,079,023 km (0.056 R)
• M10: 3,915,275 km (0.043 R)
• M11: 4,192,331 km (0.111 R)
• M12: 4,526,981 km (0.08 R)
• M13: 4,942,714 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 9.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.03 AU - 1.33 AU

Year: 841 Days

Day: 8 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 9,403,267 km

• M1: 121,922 km (0.102 R)
• M2: 1,025,643 km (0.108 R)
• M3: 2,214,647 km (0.058 R)
• M4: 4,916,983 km (0.03 R)
• M5: 5,537,365 km (0.029 R)
• M6: 6,017,275 km (0.086 R)
• M7: 7,295,589 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.7

Radius: 8.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.25 AU - 1.71 AU

Year: 1181 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 9,403,267 km

• M1: 102,624 km (0.036 R)
• M2: 409,599 km (0.049 R)
• M3: 776,413 km (0.072 R)
• M4: 1,285,644 km (0.079 R)
• M5: 1,797,418 km (0.038 R)
• M6: 2,131,171 km (0.066 R)
• M7: 2,574,729 km (0.12 R)
• M8: 2,949,920 km (0.055 R)
• M9: 3,402,903 km (0.093 R)
• M10: 3,780,189 km (0.096 R)
• M11: 4,705,302 km (0.072 R)
• M12: 5,324,787 km (0.048 R)
• M13: 5,654,351 km (0.108 R)
• M14: 5,935,894 km (0.046 R)
• M15: 6,205,768 km (0.042 R)
• M16: 6,483,871 km (0.067 R)
• M17: 8,001,392 km (0.12 R)
• M18: 8,460,358 km (0.11 R)
• M19: 8,963,904 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 18,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit