🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.47 AU - 0.63 AU

Year: 153 Days

Day: 28.2 Hours

Environment

Temp: 225 °C

Axial Tilt: 48 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.84 AU - 1.26 AU

Year: 403 Days

Day: 39.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 141.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 55,711,599 km

• M1: 49,367 km (0.099 R)
• M2: 105,466 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.77 AU - 4.01 AU

Year: 2875 Days

Day: 35.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,711,599 km

• M1: 2,874,673 km (0.044 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.95 AU - 4.27 AU

Year: 3122 Days

Day: 39.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 14.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.1

Radius: 7.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 12.86 AU - 16.34 AU

Year: 20905 Days

Day: 23.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,711,599 km

• M1: 89,609 km (0.102 R)
• M2: 413,937 km (0.107 R)
• M3: 766,240 km (0.102 R)
• M4: 1,446,163 km (0.086 R)
• M5: 1,981,424 km (0.11 R)
• M6: 2,684,683 km (0.106 R)
• M7: 3,388,990 km (0.09 R)
• M8: 4,151,939 km (0.105 R)
• M9: 4,827,673 km (0.052 R)
• M10: 5,433,245 km (0.041 R)
• M11: 7,042,320 km (0.088 R)
• M12: 7,467,926 km (0.047 R)
• M13: 7,820,528 km (0.089 R)
• M14: 8,751,027 km (0.091 R)
• M15: 11,513,202 km (0.107 R)
• M16: 11,984,136 km (0.088 R)
• M17: 15,224,127 km (0.042 R)
• M18: 15,577,177 km (0.118 R)
• M19: 16,446,790 km (0.104 R)
• M20: 21,638,734 km (0.074 R)
• M21: 26,485,106 km (0.062 R)
• M22: 30,645,722 km (0.117 R)
• M23: 33,411,488 km (0.071 R)
• M24: 35,468,309 km (0.116 R)
• M25: 37,994,418 km (0.071 R)
• M26: 42,979,468 km (0.118 R)
• M27: 43,260,712 km (0.038 R)
• M28: 46,732,131 km (0.044 R)
• M29: 51,961,324 km (0.108 R)
• M30: 53,896,223 km (0.053 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 13,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit