🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.55 AU - 0.67 AU

Year: 170 Days

Day: 40.2 Hours

Environment

Temp: 226 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,346,787 km

• M1: 18,101 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.73 AU - 0.89 AU

Year: 260 Days

Day: 31.2 Hours

Environment

Temp: 115 °C

Axial Tilt: 28.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,346,787 km

• M1: 494,571 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.84 AU - 0.86 AU

Year: 279 Days

Day: 21.8 Hours

Environment

Temp: 155 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.71 AU - 3.09 AU

Year: 1760 Days

Day: 46.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,346,787 km

• M1: 1,518,867 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.1

Radius: 7.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 17.43 AU - 22.51 AU

Year: 31810 Days

Day: 19.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,346,787 km

• M1: 97,089 km (0.115 R)
• M2: 349,311 km (0.038 R)
• M3: 815,009 km (0.041 R)
• M4: 1,532,331 km (0.09 R)
• M5: 2,115,164 km (0.078 R)
• M6: 2,509,803 km (0.092 R)
• M7: 3,395,273 km (0.059 R)
• M8: 4,991,632 km (0.098 R)
• M9: 5,953,696 km (0.11 R)
• M10: 6,498,831 km (0.069 R)
• M11: 6,742,376 km (0.087 R)
• M12: 11,462,189 km (0.092 R)
• M13: 13,912,452 km (0.07 R)
• M14: 18,493,588 km (0.108 R)
• M15: 28,274,596 km (0.091 R)
• M16: 30,032,820 km (0.068 R)
• M17: 33,644,860 km (0.097 R)
• M18: 39,522,561 km (0.05 R)
• M19: 43,415,995 km (0.09 R)
• M20: 50,196,818 km (0.047 R)
• M21: 52,768,255 km (0.107 R)
• M22: 53,920,458 km (0.045 R)
• M23: 56,445,670 km (0.117 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 13,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit