🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.4

Radius: 9.5

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.56 AU - 0.74 AU

Year: 349 Days

Day: 6.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,786,161 km

• M1: 118,182 km (0.111 R)
• M2: 578,794 km (0.08 R)
• M3: 1,333,216 km (0.084 R)
• M4: 2,262,219 km (0.114 R)
• M5: 2,605,995 km (0.077 R)
• M6: 3,399,612 km (0.087 R)
• M7: 4,094,643 km (0.119 R)
• M8: 5,059,250 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.6

Radius: 13.7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.56 AU - 0.82 AU

Year: 382 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,786,161 km

• M1: 170,392 km (0.061 R)
• M2: 600,635 km (0.111 R)
• M3: 1,076,357 km (0.099 R)
• M4: 1,951,504 km (0.095 R)
• M5: 2,389,377 km (0.073 R)
• M6: 3,009,311 km (0.109 R)
• M7: 3,649,141 km (0.07 R)
• M8: 4,532,666 km (0.112 R)
• M9: 4,987,593 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 10.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.58 AU - 0.88 AU

Year: 416 Days

Day: 11.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,786,161 km

• M1: 126,859 km (0.112 R)
• M2: 450,439 km (0.118 R)
• M3: 1,108,071 km (0.092 R)
• M4: 1,693,897 km (0.09 R)
• M5: 2,098,110 km (0.048 R)
• M6: 2,603,003 km (0.111 R)
• M7: 3,327,655 km (0.07 R)
• M8: 3,667,093 km (0.117 R)
• M9: 4,220,006 km (0.082 R)
• M10: 4,564,231 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69

Radius: 8.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.67 AU - 0.99 AU

Year: 504 Days

Day: 13.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,786,161 km

• M1: 102,026 km (0.115 R)
• M2: 366,515 km (0.06 R)
• M3: 766,539 km (0.053 R)
• M4: 1,471,445 km (0.1 R)
• M5: 2,430,517 km (0.113 R)
• M6: 2,745,869 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225

Radius: 8.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.06 AU - 2.12 AU

Year: 2015 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,786,161 km

• M1: 110,702 km (0.111 R)
• M2: 455,825 km (0.055 R)
• M3: 831,016 km (0.102 R)
• M4: 1,122,732 km (0.119 R)
• M5: 1,484,160 km (0.061 R)
• M6: 1,853,667 km (0.117 R)
• M7: 2,173,358 km (0.112 R)
• M8: 2,517,732 km (0.118 R)
• M9: 3,259,289 km (0.062 R)
• M10: 3,792,306 km (0.086 R)
• M11: 5,289,482 km (0.085 R)
• M12: 6,070,382 km (0.096 R)
• M13: 6,593,227 km (0.089 R)
• M14: 6,901,997 km (0.092 R)
• M15: 7,320,123 km (0.105 R)
• M16: 7,703,094 km (0.065 R)
• M17: 8,072,451 km (0.066 R)
• M18: 8,481,451 km (0.069 R)
• M19: 9,549,430 km (0.099 R)
• M20: 11,098,666 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.1

Radius: 10.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.25 AU - 3.19 AU

Year: 2991 Days

Day: 7.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,786,161 km

• M1: 130,599 km (0.043 R)
• M2: 475,422 km (0.104 R)
• M3: 985,700 km (0.062 R)
• M4: 1,389,615 km (0.071 R)
• M5: 1,927,718 km (0.086 R)
• M6: 2,810,944 km (0.096 R)
• M7: 3,266,769 km (0.077 R)
• M8: 3,733,813 km (0.107 R)
• M9: 4,062,929 km (0.069 R)
• M10: 4,669,548 km (0.091 R)
• M11: 5,006,592 km (0.113 R)
• M12: 5,335,707 km (0.06 R)
• M13: 5,831,026 km (0.092 R)
• M14: 6,885,691 km (0.102 R)
• M15: 7,234,403 km (0.119 R)
• M16: 8,255,259 km (0.077 R)
• M17: 11,007,112 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.6

Radius: 11.4

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.95 AU - 4.11 AU

Year: 5395 Days

Day: 7.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,786,161 km

• M1: 142,567 km (0.097 R)
• M2: 515,664 km (0.099 R)
• M3: 1,459,776 km (0.079 R)
• M4: 1,868,627 km (0.085 R)
• M5: 3,563,122 km (0.058 R)
• M6: 5,172,795 km (0.114 R)
• M7: 6,427,622 km (0.047 R)
• M8: 9,607,026 km (0.091 R)
• M9: 10,644,487 km (0.095 R)
• M10: 11,932,674 km (0.11 R)
• M11: 13,322,139 km (0.06 R)
• M12: 15,233,402 km (0.1 R)
• M13: 16,979,508 km (0.084 R)
• M14: 17,842,239 km (0.05 R)
• M15: 19,344,949 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 17,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit