🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 12

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.4 AU - 0.66 AU

Year: 271 Days

Day: 8.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,906,592 km

• M1: 149,598 km (0.049 R)
• M2: 529,427 km (0.094 R)
• M3: 934,538 km (0.093 R)
• M4: 1,375,702 km (0.117 R)
• M5: 2,023,012 km (0.051 R)
• M6: 2,435,154 km (0.049 R)
• M7: 3,000,634 km (0.101 R)
• M8: 3,389,289 km (0.109 R)
• M9: 3,952,675 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.9

Radius: 8.4

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.15 AU - 1.57 AU

Year: 1115 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,906,592 km

• M1: 110,254 km (0.117 R)
• M2: 410,347 km (0.089 R)
• M3: 682,914 km (0.083 R)
• M4: 961,914 km (0.115 R)
• M5: 1,445,415 km (0.065 R)
• M6: 1,743,713 km (0.098 R)
• M7: 2,778,332 km (0.056 R)
• M8: 3,186,883 km (0.105 R)
• M9: 3,973,469 km (0.107 R)
• M10: 4,280,145 km (0.092 R)
• M11: 4,922,069 km (0.095 R)
• M12: 5,584,489 km (0.073 R)
• M13: 6,036,124 km (0.093 R)
• M14: 6,558,670 km (0.085 R)
• M15: 6,915,311 km (0.064 R)
• M16: 7,284,968 km (0.088 R)
• M17: 9,725,657 km (0.12 R)
• M18: 10,002,562 km (0.105 R)
• M19: 10,507,904 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.4

Radius: 8.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.31 AU - 3.25 AU

Year: 3258 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 64 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,906,592 km

• M1: 110,702 km (0.063 R)
• M2: 397,332 km (0.078 R)
• M3: 731,833 km (0.088 R)
• M4: 1,159,832 km (0.077 R)
• M5: 1,916,648 km (0.101 R)
• M6: 2,513,095 km (0.046 R)
• M7: 2,802,267 km (0.083 R)
• M8: 3,261,383 km (0.099 R)
• M9: 3,938,164 km (0.075 R)
• M10: 4,230,029 km (0.119 R)
• M11: 4,599,387 km (0.082 R)
• M12: 5,147,962 km (0.08 R)
• M13: 6,192,903 km (0.105 R)
• M14: 7,879,170 km (0.092 R)
• M15: 8,503,741 km (0.113 R)
• M16: 10,913,913 km (0.073 R)
• M17: 13,178,675 km (0.102 R)
• M18: 16,180,206 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.9

Radius: 14.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.93 AU - 3.41 AU

Year: 3967 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,906,592 km

• M1: 175,628 km (0.116 R)
• M2: 835,953 km (0.037 R)
• M3: 2,800,173 km (0.108 R)
• M4: 3,239,392 km (0.084 R)
• M5: 4,630,204 km (0.041 R)
• M6: 5,180,873 km (0.085 R)
• M7: 7,595,981 km (0.098 R)
• M8: 8,589,760 km (0.098 R)
• M9: 9,253,675 km (0.12 R)
• M10: 10,131,665 km (0.076 R)
• M11: 13,493,130 km (0.119 R)
• M12: 14,483,617 km (0.071 R)
• M13: 15,425,784 km (0.085 R)
• M14: 16,711,129 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 18,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit