🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.44 AU - 0.7 AU

Year: 282 Days

Day: 17 Hours

Environment

Temp: -127 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.9

Radius: 14.4

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.62 AU - 0.94 AU

Year: 452 Days

Day: 10.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 20,997,107 km

• M1: 179,368 km (0.093 R)
• M2: 675,285 km (0.05 R)
• M3: 1,244,654 km (0.051 R)
• M4: 1,713,195 km (0.118 R)
• M5: 2,852,682 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 11.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.74 AU - 5.1 AU

Year: 6096 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,997,107 km

• M1: 140,472 km (0.104 R)
• M2: 514,317 km (0.094 R)
• M3: 2,454,153 km (0.111 R)
• M4: 2,819,770 km (0.087 R)
• M5: 3,722,743 km (0.078 R)
• M6: 5,282,600 km (0.12 R)
• M7: 8,739,956 km (0.072 R)
• M8: 9,107,967 km (0.119 R)
• M9: 10,519,273 km (0.111 R)
• M10: 11,277,435 km (0.03 R)
• M11: 17,121,177 km (0.071 R)
• M12: 21,176,177 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.9

Radius: 8.4

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.11 AU - 4.75 AU

Year: 6117 Days

Day: 11.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,997,107 km

• M1: 104,569 km (0.051 R)
• M2: 396,883 km (0.118 R)
• M3: 782,696 km (0.11 R)
• M4: 1,087,427 km (0.087 R)
• M5: 2,059,514 km (0.059 R)
• M6: 2,400,597 km (0.059 R)
• M7: 2,684,833 km (0.094 R)
• M8: 3,093,235 km (0.102 R)
• M9: 3,656,920 km (0.103 R)
• M10: 4,138,775 km (0.034 R)
• M11: 4,916,983 km (0.107 R)
• M12: 5,555,766 km (0.082 R)
• M13: 7,148,534 km (0.112 R)
• M14: 9,024,791 km (0.095 R)
• M15: 10,327,339 km (0.096 R)
• M16: 10,721,530 km (0.109 R)
• M17: 11,666,240 km (0.109 R)
• M18: 12,710,134 km (0.1 R)
• M19: 13,025,935 km (0.077 R)
• M20: 13,909,760 km (0.058 R)
• M21: 19,350,036 km (0.072 R)
• M22: 20,934,427 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 14,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit