🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.47 AU - 0.71 AU

Year: 293 Days

Day: 21.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.58 AU - 0.68 AU

Year: 323 Days

Day: 30.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,308,319 km

• M1: 289,771 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.9

Radius: 14.6

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.72 AU - 0.94 AU

Year: 488 Days

Day: 12.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,308,319 km

• M1: 181,612 km (0.108 R)
• M2: 705,952 km (0.047 R)
• M3: 1,307,785 km (0.054 R)
• M4: 1,860,399 km (0.077 R)
• M5: 2,397,455 km (0.088 R)
• M6: 3,651,983 km (0.074 R)
• M7: 4,179,615 km (0.114 R)
• M8: 4,743,000 km (0.051 R)
• M9: 6,295,078 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472

Radius: 14.5

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.42 AU - 3.06 AU

Year: 2928 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,308,319 km

• M1: 180,415 km (0.039 R)
• M2: 844,779 km (0.041 R)
• M3: 1,991,746 km (0.097 R)
• M4: 2,676,605 km (0.111 R)
• M5: 3,515,101 km (0.078 R)
• M6: 4,335,945 km (0.109 R)
• M7: 5,544,546 km (0.073 R)
• M8: 10,790,794 km (0.071 R)
• M9: 13,347,272 km (0.047 R)
• M10: 15,148,729 km (0.115 R)
• M11: 16,082,968 km (0.078 R)
• M12: 18,559,261 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.6

Radius: 12.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.57 AU - 4.17 AU

Year: 4916 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,308,319 km

• M1: 155,432 km (0.072 R)
• M2: 622,028 km (0.108 R)
• M3: 1,159,832 km (0.118 R)
• M4: 1,967,511 km (0.108 R)
• M5: 2,370,229 km (0.071 R)
• M6: 2,892,176 km (0.081 R)
• M7: 3,582,121 km (0.092 R)
• M8: 4,210,881 km (0.094 R)
• M9: 5,364,430 km (0.105 R)
• M10: 6,747,163 km (0.083 R)
• M11: 7,398,961 km (0.034 R)
• M12: 7,995,258 km (0.069 R)
• M13: 8,488,482 km (0.108 R)
• M14: 12,840,135 km (0.095 R)
• M15: 13,656,341 km (0.034 R)
• M16: 16,365,558 km (0.084 R)
• M17: 16,787,424 km (0.103 R)
• M18: 17,653,147 km (0.119 R)
• M19: 18,153,103 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 18,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit