🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.58 AU - 0.64 AU

Year: 167 Days

Day: 13.7 Hours

Environment

Temp: 220 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.89 AU - 1.13 AU

Year: 355 Days

Day: 35.5 Hours

Environment

Temp: 121 °C

Axial Tilt: 5.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,174,921 km

• M1: 33,809 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.97 AU - 1.17 AU

Year: 387 Days

Day: 43.3 Hours

Environment

Temp: 155 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,174,921 km

• M1: 43,383 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.16 AU - 1.18 AU

Year: 443 Days

Day: 17.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.65 AU - 3.89 AU

Year: 2561 Days

Day: 18.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.71 AU - 6.15 AU

Year: 3830 Days

Day: 42 Hours

Environment

Temp: -125 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.1

Radius: 12.8

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.97 AU - 8.13 AU

Year: 5865 Days

Day: 14.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 173.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,174,921 km

• M1: 160,818 km (0.077 R)
• M2: 871,707 km (0.09 R)
• M3: 1,418,188 km (0.095 R)
• M4: 2,510,402 km (0.108 R)
• M5: 4,675,981 km (0.112 R)
• M6: 5,701,175 km (0.073 R)
• M7: 6,555,827 km (0.093 R)
• M8: 7,418,858 km (0.084 R)
• M9: 9,239,613 km (0.09 R)
• M10: 10,184,473 km (0.046 R)
• M11: 11,143,246 km (0.102 R)
• M12: 12,531,963 km (0.076 R)
• M13: 13,295,810 km (0.105 R)
• M14: 15,098,165 km (0.047 R)
• M15: 17,996,773 km (0.119 R)
• M16: 24,366,501 km (0.088 R)
• M17: 26,874,659 km (0.066 R)
• M18: 32,399,308 km (0.106 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 14,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit