🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.65 AU - 0.83 AU

Year: 231 Days

Day: 43.4 Hours

Environment

Temp: 139 °C

Axial Tilt: 112 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.72 AU - 0.8 AU

Year: 241 Days

Day: 33.5 Hours

Environment

Temp: 120 °C

Axial Tilt: 46.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.95 AU - 1.43 AU

Year: 472 Days

Day: 32.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 27.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Ice Giant

Semi-Major Axis: 13.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.1

Radius: 6.5

Gravity: 21.42 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 13.28 AU - 14.5 AU

Year: 18814 Days

Day: 23.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,159,944 km

• M1: 123,418 km (0.084 R)
• M2: 740,809 km (0.093 R)
• M3: 1,160,431 km (0.099 R)
• M4: 1,692,251 km (0.034 R)
• M5: 3,911,236 km (0.074 R)
• M6: 7,875,430 km (0.07 R)
• M7: 8,132,290 km (0.054 R)
• M8: 8,717,367 km (0.032 R)
• M9: 11,602,512 km (0.083 R)
• M10: 12,274,804 km (0.102 R)
• M11: 14,219,427 km (0.118 R)
• M12: 14,677,945 km (0.088 R)
• M13: 15,544,116 km (0.079 R)
• M14: 16,864,168 km (0.118 R)
• M15: 17,638,636 km (0.101 R)
• M16: 24,382,059 km (0.092 R)
• M17: 27,196,295 km (0.056 R)
• M18: 27,784,065 km (0.102 R)
• M19: 34,407,660 km (0.095 R)
• M20: 37,790,965 km (0.066 R)
• M21: 39,863,644 km (0.066 R)
• M22: 46,869,162 km (0.09 R)
• M23: 49,607,402 km (0.102 R)
• M24: 61,426,382 km (0.098 R)
• M25: 62,031,655 km (0.115 R)
• M26: 75,912,991 km (0.12 R)
• M27: 76,145,017 km (0.051 R)
• M28: 80,159,925 km (0.09 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 20,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit