🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.57 AU - 0.57 AU

Year: 185 Days

Day: 29 Hours

Environment

Temp: 34 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 16,789,311 km

• M1: 108,159 km (0.118 R)
• M2: 517,010 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.29 AU - 1.39 AU

Year: 668 Days

Day: 39.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.76 AU - 2.12 AU

Year: 1163 Days

Day: 22.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,789,311 km

• M1: 94,546 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.75 AU - 2.83 AU

Year: 1492 Days

Day: 20.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.2

Radius: 9.8

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.24 AU - 3.94 AU

Year: 2928 Days

Day: 12.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 16,789,311 km

• M1: 121,922 km (0.107 R)
• M2: 618,737 km (0.037 R)
• M3: 1,398,740 km (0.117 R)
• M4: 1,944,623 km (0.106 R)
• M5: 2,359,757 km (0.076 R)
• M6: 3,443,743 km (0.11 R)
• M7: 4,267,429 km (0.093 R)
• M8: 4,878,237 km (0.064 R)
• M9: 5,676,342 km (0.085 R)
• M10: 6,415,355 km (0.116 R)
• M11: 7,690,827 km (0.091 R)
• M12: 8,051,208 km (0.119 R)
• M13: 9,127,864 km (0.102 R)
• M14: 10,535,580 km (0.117 R)
• M15: 11,396,067 km (0.04 R)
• M16: 12,082,571 km (0.113 R)
• M17: 14,161,832 km (0.115 R)
• M18: 15,107,440 km (0.103 R)
• M19: 16,094,637 km (0.116 R)
• M20: 17,124,319 km (0.114 R)
• M21: 17,683,516 km (0.035 R)
• M22: 18,139,639 km (0.109 R)
• M23: 18,603,542 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.9

Radius: 8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.31 AU - 3.93 AU

Year: 2965 Days

Day: 14.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,789,311 km

• M1: 99,483 km (0.099 R)
• M2: 821,143 km (0.082 R)
• M3: 1,159,683 km (0.113 R)
• M4: 1,482,814 km (0.069 R)
• M5: 1,980,077 km (0.075 R)
• M6: 2,968,171 km (0.074 R)
• M7: 3,355,929 km (0.095 R)
• M8: 4,746,740 km (0.087 R)
• M9: 9,134,446 km (0.073 R)
• M10: 9,505,150 km (0.085 R)
• M11: 10,715,097 km (0.109 R)
• M12: 13,524,096 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 19,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit