🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.98 AU - 1.08 AU

Year: 390 Days

Day: 27.8 Hours

Environment

Temp: 27 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.12 AU - 2.28 AU

Year: 1216 Days

Day: 15.2 Hours

Environment

Temp: -75 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.03 AU - 4.85 AU

Year: 3488 Days

Day: 20.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,314,041 km

• M1: 46,824 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.6

Radius: 12.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.85 AU - 4.91 AU

Year: 4019 Days

Day: 10.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 103,314,041 km

• M1: 157,227 km (0.098 R)
• M2: 594,801 km (0.108 R)
• M3: 1,163,273 km (0.111 R)
• M4: 2,651,323 km (0.105 R)
• M5: 3,945,494 km (0.109 R)
• M6: 5,184,464 km (0.065 R)
• M7: 6,402,639 km (0.094 R)
• M8: 9,742,861 km (0.087 R)
• M9: 11,896,471 km (0.109 R)
• M10: 12,526,877 km (0.095 R)
• M11: 15,274,092 km (0.112 R)
• M12: 16,566,169 km (0.097 R)
• M13: 17,238,911 km (0.1 R)
• M14: 18,400,538 km (0.109 R)
• M15: 19,925,090 km (0.117 R)
• M16: 21,864,028 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.6

Radius: 3.9

Gravity: 58.03 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 14.7 AU - 20.8 AU

Year: 27877 Days

Day: 15.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 103,314,041 km

• M1: 48,919 km (0.099 R)
• M2: 240,703 km (0.116 R)
• M3: 411,095 km (0.108 R)
• M4: 938,128 km (0.056 R)
• M5: 1,992,045 km (0.055 R)
• M6: 2,646,087 km (0.055 R)
• M7: 3,095,180 km (0.108 R)
• M8: 4,552,413 km (0.114 R)
• M9: 7,376,073 km (0.082 R)
• M10: 7,536,442 km (0.103 R)
• M11: 11,185,732 km (0.085 R)
• M12: 16,673,131 km (0.112 R)
• M13: 20,616,531 km (0.069 R)
• M14: 24,068,951 km (0.081 R)
• M15: 33,972,180 km (0.064 R)
• M16: 34,864,831 km (0.075 R)
• M17: 43,439,631 km (0.092 R)
• M18: 60,167,964 km (0.079 R)
• M19: 61,692,666 km (0.111 R)
• M20: 63,019,898 km (0.107 R)
• M21: 70,181,447 km (0.115 R)
• M22: 91,983,392 km (0.096 R)
• M23: 95,173,268 km (0.108 R)
• M24: 97,241,159 km (0.119 R)
• M25: 103,314,085 km (0.029 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 10,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit