🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.5 AU - 0.64 AU

Year: 154 Days

Day: 43 Hours

Environment

Temp: 240 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 12,844,253 km

• M1: 43,832 km (0.109 R)
• M2: 493,823 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.55 AU - 0.83 AU

Year: 205 Days

Day: 39.5 Hours

Environment

Temp: 147 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.94 AU - 1.14 AU

Year: 380 Days

Day: 21.6 Hours

Environment

Temp: 21 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.87 AU - 1.39 AU

Year: 430 Days

Day: 13.7 Hours

Environment

Temp: 31 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.1

Radius: 13.8

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.26 AU - 10.3 AU

Year: 8533 Days

Day: 9 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 12,844,253 km

• M1: 180,714 km (0.034 R)
• M2: 309,069 km (0.103 R)
• M3: 396,285 km (0.032 R)
• M4: 519,553 km (0.119 R)
• M5: 640,279 km (0.086 R)
• M6: 1,479,224 km (0.101 R)
• M7: 2,191,758 km (0.037 R)
• M8: 2,369,481 km (0.08 R)
• M9: 2,595,822 km (0.041 R)
• M10: 2,706,225 km (0.038 R)
• M11: 2,954,708 km (0.062 R)
• M12: 3,258,092 km (0.1 R)
• M13: 4,202,952 km (0.066 R)
• M14: 4,320,237 km (0.076 R)
• M15: 4,678,973 km (0.079 R)
• M16: 4,937,328 km (0.07 R)
• M17: 5,228,296 km (0.073 R)
• M18: 5,468,101 km (0.108 R)
• M19: 6,268,600 km (0.094 R)
• M20: 6,508,555 km (0.049 R)
• M21: 6,920,248 km (0.104 R)
• M22: 7,059,374 km (0.101 R)
• M23: 7,168,281 km (0.076 R)
• M24: 8,206,042 km (0.104 R)
• M25: 8,386,307 km (0.097 R)
• M26: 9,307,531 km (0.102 R)
• M27: 11,390,831 km (0.053 R)
• M28: 11,720,993 km (0.109 R)
• M29: 12,054,297 km (0.072 R)
• M30: 12,730,330 km (0.089 R)

Kuiper Belt

Range: 30.6 - 46.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 19,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit