🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.68 AU - 0.88 AU

Year: 253 Days

Day: 20.1 Hours

Environment

Temp: 183 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 57,304,033 km

• M1: 67,469 km (0.109 R)
• M2: 353,201 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.91 AU - 1.35 AU

Year: 441 Days

Day: 12.4 Hours

Environment

Temp: -3 °C

Axial Tilt: 41 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.42 AU - 1.88 AU

Year: 778 Days

Day: 46 Hours

Environment

Temp: -49 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 12.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449

Radius: 6.5

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 10.49 AU - 14.43 AU

Year: 16145 Days

Day: 23.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 90.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,304,033 km

• M1: 80,783 km (0.109 R)
• M2: 310,864 km (0.113 R)
• M3: 715,377 km (0.119 R)
• M4: 964,308 km (0.097 R)
• M5: 1,323,642 km (0.042 R)
• M6: 1,595,162 km (0.067 R)
• M7: 1,852,470 km (0.115 R)
• M8: 2,840,564 km (0.116 R)
• M9: 3,320,923 km (0.099 R)
• M10: 3,688,485 km (0.093 R)
• M11: 4,350,755 km (0.117 R)
• M12: 4,567,223 km (0.089 R)
• M13: 5,687,113 km (0.085 R)
• M14: 7,582,667 km (0.072 R)
• M15: 7,806,316 km (0.079 R)
• M16: 8,361,175 km (0.072 R)
• M17: 9,810,628 km (0.071 R)
• M18: 10,238,179 km (0.111 R)
• M19: 10,678,146 km (0.098 R)
• M20: 11,773,652 km (0.113 R)
• M21: 12,073,895 km (0.026 R)
• M22: 13,326,627 km (0.107 R)
• M23: 17,679,626 km (0.041 R)
• M24: 17,994,380 km (0.116 R)
• M25: 20,303,124 km (0.107 R)
• M26: 21,350,459 km (0.101 R)
• M27: 26,820,654 km (0.089 R)
• M28: 29,489,181 km (0.12 R)
• M29: 30,491,636 km (0.047 R)
• M30: 32,800,380 km (0.072 R)
• M31: 33,156,423 km (0.109 R)
• M32: 34,361,883 km (0.077 R)
• M33: 46,406,307 km (0.101 R)
• M34: 47,913,505 km (0.107 R)
• M35: 53,118,763 km (0.111 R)
• M36: 55,101,234 km (0.067 R)
• M37: 56,110,721 km (0.11 R)
• M38: 57,132,474 km (0.056 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 13,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit