🌌 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 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.2

Radius: 8.9

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.47 AU - 0.67 AU

Year: 297 Days

Day: 11.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,136,217 km

• M1: 110,702 km (0.072 R)
• M2: 410,347 km (0.116 R)
• M3: 731,234 km (0.111 R)
• M4: 1,155,644 km (0.057 R)
• M5: 1,627,326 km (0.12 R)
• M6: 2,793,291 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.6

Radius: 11.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.6 AU - 0.66 AU

Year: 345 Days

Day: 12.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,136,217 km

• M1: 140,622 km (0.119 R)
• M2: 660,325 km (0.103 R)
• M3: 1,435,990 km (0.087 R)
• M4: 1,815,669 km (0.1 R)
• M5: 2,286,903 km (0.109 R)
• M6: 3,489,520 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.6

Radius: 11

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.72 AU - 2 AU

Year: 1751 Days

Day: 13.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,136,217 km

• M1: 137,630 km (0.105 R)
• M2: 551,717 km (0.119 R)
• M3: 919,877 km (0.118 R)
• M4: 2,653,866 km (0.111 R)
• M5: 3,104,904 km (0.095 R)
• M6: 3,762,237 km (0.091 R)
• M7: 4,490,330 km (0.061 R)
• M8: 5,650,611 km (0.08 R)
• M9: 6,078,909 km (0.116 R)
• M10: 7,780,286 km (0.039 R)
• M11: 11,828,404 km (0.049 R)
• M12: 13,679,828 km (0.107 R)
• M13: 14,941,835 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.1

Radius: 14.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.1 AU - 2.7 AU

Year: 2566 Days

Day: 5.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,136,217 km

• M1: 185,801 km (0.09 R)
• M2: 1,024,745 km (0.084 R)
• M3: 1,751,791 km (0.1 R)
• M4: 2,229,457 km (0.102 R)
• M5: 2,847,895 km (0.034 R)
• M6: 3,457,057 km (0.074 R)
• M7: 4,050,063 km (0.096 R)
• M8: 4,654,439 km (0.099 R)
• M9: 5,483,959 km (0.073 R)
• M10: 7,009,558 km (0.076 R)
• M11: 8,376,882 km (0.11 R)
• M12: 9,667,314 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876

Radius: 8.7

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.43 AU - 3.21 AU

Year: 3269 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,136,217 km

• M1: 108,608 km (0.111 R)
• M2: 388,206 km (0.064 R)
• M3: 861,983 km (0.115 R)
• M4: 1,414,747 km (0.105 R)
• M5: 1,852,321 km (0.076 R)
• M6: 2,378,008 km (0.106 R)
• M7: 3,255,100 km (0.103 R)
• M8: 4,287,625 km (0.056 R)
• M9: 4,805,532 km (0.118 R)
• M10: 5,079,895 km (0.073 R)
• M11: 5,497,572 km (0.09 R)
• M12: 6,254,388 km (0.051 R)
• M13: 6,734,747 km (0.116 R)
• M14: 9,092,858 km (0.081 R)
• M15: 11,683,295 km (0.078 R)
• M16: 14,833,676 km (0.032 R)
• M17: 18,448,559 km (0.088 R)
• M18: 21,719,666 km (0.051 R)
• M19: 22,611,419 km (0.09 R)
• M20: 23,172,261 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.7

Radius: 11.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.64 AU - 5.18 AU

Year: 6392 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,136,217 km

• M1: 143,016 km (0.082 R)
• M2: 901,477 km (0.102 R)
• M3: 1,490,144 km (0.054 R)
• M4: 2,508,607 km (0.098 R)
• M5: 3,050,001 km (0.066 R)
• M6: 3,566,264 km (0.044 R)
• M7: 4,029,718 km (0.075 R)
• M8: 4,900,078 km (0.09 R)
• M9: 5,313,567 km (0.116 R)
• M10: 8,486,837 km (0.105 R)
• M11: 8,895,239 km (0.055 R)
• M12: 9,631,859 km (0.025 R)
• M13: 13,434,188 km (0.106 R)
• M14: 15,147,682 km (0.1 R)
• M15: 15,639,410 km (0.099 R)
• M16: 16,141,610 km (0.08 R)
• M17: 17,474,078 km (0.095 R)
• M18: 19,067,296 km (0.091 R)
• M19: 20,956,268 km (0.1 R)
• M20: 25,407,702 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.6

Radius: 3.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.15 AU - 6.75 AU

Year: 10018 Days

Day: 24 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,136,217 km

• M1: 65,225 km (0.067 R)
• M2: 305,928 km (0.12 R)
• M3: 569,519 km (0.104 R)
• M4: 831,016 km (0.097 R)
• M5: 1,142,030 km (0.116 R)
• M6: 3,690,879 km (0.058 R)
• M7: 4,905,763 km (0.044 R)
• M8: 5,265,097 km (0.12 R)
• M9: 6,879,707 km (0.039 R)
• M10: 16,520,990 km (0.042 R)
• M11: 19,836,378 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 12,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit