🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.44 AU - 0.58 AU

Year: 130 Days

Day: 29.9 Hours

Environment

Temp: 183 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,059,525 km

• M1: 29,770 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.51 AU - 0.55 AU

Year: 138 Days

Day: 39.9 Hours

Environment

Temp: 228 °C

Axial Tilt: 5.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.86 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.4

Radius: 11.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.44 AU - 5.94 AU

Year: 4235 Days

Day: 12.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,059,525 km

• M1: 139,276 km (0.104 R)
• M2: 542,292 km (0.071 R)
• M3: 979,268 km (0.117 R)
• M4: 1,489,097 km (0.11 R)
• M5: 2,076,269 km (0.057 R)
• M6: 7,015,093 km (0.026 R)
• M7: 8,557,746 km (0.08 R)
• M8: 9,032,121 km (0.107 R)
• M9: 9,485,403 km (0.072 R)
• M10: 12,210,926 km (0.116 R)
• M11: 13,145,015 km (0.106 R)
• M12: 15,102,952 km (0.12 R)
• M13: 15,850,942 km (0.065 R)
• M14: 20,478,602 km (0.067 R)
• M15: 22,475,734 km (0.105 R)
• M16: 24,164,245 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.8

Radius: 3.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 12.96 AU - 17.36 AU

Year: 21141 Days

Day: 18.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,059,525 km

• M1: 66,721 km (0.091 R)
• M2: 184,604 km (0.038 R)
• M3: 355,744 km (0.1 R)
• M4: 1,399,039 km (0.065 R)
• M5: 1,589,926 km (0.09 R)
• M6: 1,757,625 km (0.086 R)
• M7: 3,910,339 km (0.113 R)
• M8: 4,240,800 km (0.113 R)
• M9: 8,363,867 km (0.116 R)
• M10: 10,606,788 km (0.101 R)
• M11: 14,675,252 km (0.031 R)
• M12: 19,403,442 km (0.078 R)
• M13: 24,815,744 km (0.045 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 11,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit