🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.59 AU - 0.93 AU

Year: 234 Days

Day: 34.4 Hours

Environment

Temp: 185 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,378,472 km

• M1: 286,031 km (0.103 R)
• M2: 600,785 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.03 AU - 3.69 AU

Year: 2175 Days

Day: 28.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.24 AU - 5.4 AU

Year: 4333 Days

Day: 24.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,378,472 km

• M1: 2,009,698 km (0.116 R)
• M2: 3,154,720 km (0.113 R)

Asteroid Belt

Center: 7.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.2

Radius: 9.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.85 AU - 13.01 AU

Year: 11894 Days

Day: 12.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,378,472 km

• M1: 116,986 km (0.095 R)
• M2: 409,300 km (0.113 R)
• M3: 784,790 km (0.104 R)
• M4: 1,608,327 km (0.038 R)
• M5: 2,251,598 km (0.109 R)
• M6: 3,601,868 km (0.042 R)
• M7: 4,641,274 km (0.094 R)
• M8: 5,070,919 km (0.077 R)
• M9: 6,864,897 km (0.082 R)
• M10: 9,523,550 km (0.117 R)
• M11: 14,597,012 km (0.079 R)
• M12: 19,452,660 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.1

Radius: 4

Gravity: 19.51 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 11.26 AU - 16.64 AU

Year: 18398 Days

Day: 21.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,378,472 km

• M1: 51,162 km (0.109 R)
• M2: 316,848 km (0.043 R)
• M3: 903,870 km (0.074 R)
• M4: 1,067,830 km (0.09 R)
• M5: 1,698,085 km (0.113 R)
• M6: 5,612,763 km (0.101 R)
• M7: 7,607,201 km (0.055 R)
• M8: 8,957,023 km (0.072 R)
• M9: 9,714,437 km (0.103 R)
• M10: 13,364,176 km (0.068 R)
• M11: 16,394,281 km (0.058 R)
• M12: 20,273,803 km (0.116 R)
• M13: 26,104,679 km (0.099 R)
• M14: 27,328,988 km (0.072 R)
• M15: 32,261,230 km (0.118 R)
• M16: 35,983,673 km (0.096 R)
• M17: 37,115,681 km (0.107 R)
• M18: 40,384,394 km (0.105 R)
• M19: 47,337,553 km (0.088 R)
• M20: 47,487,151 km (0.097 R)
• M21: 54,061,230 km (0.06 R)
• M22: 54,552,659 km (0.057 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 11,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit