🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.61 AU - 0.79 AU

Year: 224 Days

Day: 33.7 Hours

Environment

Temp: 115 °C

Axial Tilt: 43.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,402,091 km

• M1: 124,316 km (0.026 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.73 AU - 0.73 AU

Year: 239 Days

Day: 45.4 Hours

Environment

Temp: 104 °C

Axial Tilt: 7.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,402,091 km

• M1: 40,990 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.9 AU - 1.3 AU

Year: 442 Days

Day: 12.7 Hours

Environment

Temp: 2 °C

Axial Tilt: 23.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.2

Radius: 12.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.36 AU - 10.34 AU

Year: 9238 Days

Day: 13.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,402,091 km

• M1: 153,039 km (0.071 R)
• M2: 574,456 km (0.089 R)
• M3: 992,283 km (0.116 R)
• M4: 1,582,147 km (0.1 R)
• M5: 2,242,322 km (0.067 R)
• M6: 2,656,709 km (0.066 R)
• M7: 3,122,556 km (0.104 R)
• M8: 3,787,818 km (0.103 R)
• M9: 6,793,688 km (0.114 R)
• M10: 7,953,969 km (0.08 R)
• M11: 8,929,796 km (0.041 R)
• M12: 9,983,713 km (0.081 R)
• M13: 12,011,961 km (0.097 R)
• M14: 13,295,361 km (0.087 R)
• M15: 14,916,553 km (0.072 R)
• M16: 17,277,956 km (0.065 R)
• M17: 18,620,148 km (0.102 R)
• M18: 19,428,275 km (0.045 R)
• M19: 24,776,549 km (0.082 R)
• M20: 26,116,048 km (0.107 R)
• M21: 27,503,419 km (0.078 R)
• M22: 28,648,142 km (0.057 R)
• M23: 34,523,299 km (0.085 R)
• M24: 35,630,772 km (0.102 R)
• M25: 37,220,698 km (0.064 R)
• M26: 39,934,852 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 13,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit