🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.68 AU

Year: 165 Days

Day: 30.9 Hours

Environment

Temp: 131 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.76 AU - 1.02 AU

Year: 321 Days

Day: 40.1 Hours

Environment

Temp: 17 °C

Axial Tilt: 38.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.11 AU - 1.37 AU

Year: 529 Days

Day: 31.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,798,241 km

• M1: 34,258 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.4

Radius: 9.9

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.76 AU - 7.66 AU

Year: 6655 Days

Day: 11.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 37,798,241 km

• M1: 133,890 km (0.096 R)
• M2: 447,746 km (0.098 R)
• M3: 977,024 km (0.108 R)
• M4: 1,452,595 km (0.07 R)
• M5: 2,046,948 km (0.107 R)
• M6: 2,357,962 km (0.11 R)
• M7: 2,815,881 km (0.098 R)
• M8: 3,488,024 km (0.086 R)
• M9: 4,665,060 km (0.072 R)
• M10: 5,732,142 km (0.116 R)
• M11: 7,360,514 km (0.092 R)
• M12: 8,220,253 km (0.114 R)
• M13: 8,716,769 km (0.094 R)
• M14: 9,953,195 km (0.116 R)
• M15: 10,856,467 km (0.098 R)
• M16: 11,252,602 km (0.1 R)
• M17: 11,865,206 km (0.114 R)
• M18: 12,338,982 km (0.054 R)
• M19: 12,825,474 km (0.097 R)
• M20: 13,607,422 km (0.067 R)
• M21: 13,952,245 km (0.051 R)
• M22: 14,900,247 km (0.03 R)
• M23: 15,890,435 km (0.066 R)
• M24: 18,209,053 km (0.042 R)
• M25: 20,368,498 km (0.062 R)
• M26: 20,820,134 km (0.104 R)
• M27: 22,056,860 km (0.116 R)
• M28: 25,885,219 km (0.096 R)
• M29: 26,326,383 km (0.118 R)
• M30: 30,038,056 km (0.079 R)
• M31: 30,525,296 km (0.103 R)
• M32: 31,216,139 km (0.077 R)
• M33: 36,790,156 km (0.072 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 13,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit