🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.1

Radius: 10.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.55 AU - 0.63 AU

Year: 302 Days

Day: 13.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,722,750 km

• M1: 132,544 km (0.04 R)
• M2: 463,604 km (0.059 R)
• M3: 912,098 km (0.07 R)
• M4: 1,244,505 km (0.108 R)
• M5: 2,212,104 km (0.118 R)
• M6: 2,682,140 km (0.113 R)
• M7: 3,538,139 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 10.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.81 AU - 0.99 AU

Year: 569 Days

Day: 11.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,722,750 km

• M1: 144,212 km (0.101 R)
• M2: 654,790 km (0.052 R)
• M3: 1,192,445 km (0.077 R)
• M4: 1,559,558 km (0.04 R)
• M5: 2,056,223 km (0.09 R)
• M6: 3,028,310 km (0.111 R)
• M7: 3,551,902 km (0.052 R)
• M8: 4,282,987 km (0.116 R)
• M9: 5,060,896 km (0.072 R)
• M10: 5,422,025 km (0.102 R)
• M11: 5,782,107 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.8

Radius: 8.3

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.82 AU - 3.14 AU

Year: 3430 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,722,750 km

• M1: 135,236 km (0.099 R)
• M2: 545,733 km (0.107 R)
• M3: 1,930,411 km (0.088 R)
• M4: 3,387,494 km (0.077 R)
• M5: 4,405,956 km (0.091 R)
• M6: 5,222,013 km (0.042 R)
• M7: 7,331,044 km (0.09 R)
• M8: 8,742,799 km (0.067 R)
• M9: 9,369,763 km (0.041 R)
• M10: 9,877,648 km (0.12 R)
• M11: 10,557,571 km (0.11 R)
• M12: 11,067,849 km (0.11 R)
• M13: 12,052,801 km (0.102 R)
• M14: 14,290,785 km (0.113 R)
• M15: 16,686,894 km (0.1 R)
• M16: 16,950,935 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.5

Radius: 11.7

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.32 AU - 3.44 AU

Year: 4144 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,722,750 km

• M1: 146,157 km (0.104 R)
• M2: 564,582 km (0.083 R)
• M3: 1,616,555 km (0.048 R)
• M4: 2,445,327 km (0.116 R)
• M5: 2,903,994 km (0.088 R)
• M6: 3,400,509 km (0.059 R)
• M7: 4,424,207 km (0.059 R)
• M8: 4,882,276 km (0.095 R)
• M9: 6,419,993 km (0.085 R)
• M10: 6,945,081 km (0.056 R)
• M11: 8,223,395 km (0.036 R)
• M12: 9,184,262 km (0.087 R)
• M13: 11,240,934 km (0.109 R)
• M14: 11,686,436 km (0.086 R)
• M15: 13,788,735 km (0.094 R)
• M16: 15,742,483 km (0.113 R)
• M17: 18,729,205 km (0.117 R)
• M18: 20,918,420 km (0.044 R)
• M19: 21,867,768 km (0.038 R)
• M20: 25,189,439 km (0.072 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 11,702 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit