🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 14.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.6 AU - 0.66 AU

Year: 333 Days

Day: 14.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,497,455 km

• M1: 178,021 km (0.097 R)
• M2: 628,610 km (0.091 R)
• M3: 1,201,869 km (0.109 R)
• M4: 1,906,924 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.9

Radius: 10.3

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.65 AU - 0.95 AU

Year: 477 Days

Day: 5.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,497,455 km

• M1: 128,205 km (0.114 R)
• M2: 540,796 km (0.119 R)
• M3: 1,040,154 km (0.107 R)
• M4: 1,383,032 km (0.085 R)
• M5: 1,770,341 km (0.106 R)
• M6: 2,473,900 km (0.072 R)
• M7: 3,170,278 km (0.076 R)
• M8: 3,757,599 km (0.118 R)
• M9: 4,222,549 km (0.094 R)
• M10: 4,599,985 km (0.097 R)
• M11: 6,150,118 km (0.077 R)
• M12: 6,777,382 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.5

Radius: 13.3

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.89 AU - 1.37 AU

Year: 801 Days

Day: 5.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,497,455 km

• M1: 165,455 km (0.029 R)
• M2: 587,321 km (0.066 R)
• M3: 1,318,855 km (0.086 R)
• M4: 1,783,805 km (0.099 R)
• M5: 2,245,165 km (0.07 R)
• M6: 2,822,613 km (0.089 R)
• M7: 3,306,263 km (0.098 R)
• M8: 3,800,534 km (0.039 R)
• M9: 4,921,770 km (0.069 R)
• M10: 5,378,791 km (0.115 R)
• M11: 6,378,853 km (0.105 R)
• M12: 7,013,597 km (0.087 R)
• M13: 7,690,228 km (0.111 R)
• M14: 8,512,717 km (0.051 R)
• M15: 9,039,152 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 12.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.13 AU - 3.41 AU

Year: 3943 Days

Day: 12 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,497,455 km

• M1: 150,495 km (0.027 R)
• M2: 564,134 km (0.047 R)
• M3: 2,397,605 km (0.113 R)
• M4: 3,460,199 km (0.082 R)
• M5: 4,789,675 km (0.092 R)
• M6: 5,450,299 km (0.062 R)
• M7: 5,942,626 km (0.103 R)
• M8: 7,111,883 km (0.112 R)
• M9: 7,534,048 km (0.083 R)
• M10: 8,791,268 km (0.07 R)
• M11: 9,862,240 km (0.115 R)
• M12: 10,975,397 km (0.101 R)
• M13: 11,718,151 km (0.068 R)
• M14: 15,294,587 km (0.103 R)
• M15: 16,110,494 km (0.091 R)
• M16: 21,628,561 km (0.114 R)
• M17: 22,379,243 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.9

Radius: 10.4

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.61 AU - 4.15 AU

Year: 5097 Days

Day: 10.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 88.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,497,455 km

• M1: 135,087 km (0.08 R)
• M2: 530,025 km (0.063 R)
• M3: 2,338,514 km (0.054 R)
• M4: 4,086,415 km (0.1 R)
• M5: 5,287,836 km (0.088 R)
• M6: 8,413,534 km (0.089 R)
• M7: 9,110,510 km (0.079 R)
• M8: 9,581,594 km (0.084 R)
• M9: 12,032,306 km (0.076 R)
• M10: 12,495,312 km (0.091 R)
• M11: 13,293,566 km (0.054 R)
• M12: 13,732,935 km (0.119 R)
• M13: 15,168,775 km (0.094 R)
• M14: 18,202,022 km (0.088 R)
• M15: 20,146,794 km (0.117 R)
• M16: 21,467,743 km (0.091 R)
• M17: 22,073,166 km (0.092 R)
• M18: 22,923,929 km (0.103 R)
• M19: 24,691,129 km (0.044 R)
• M20: 30,535,319 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.8

Radius: 3

Gravity: 60.53 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.07 AU - 6.69 AU

Year: 10746 Days

Day: 15.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,497,455 km

• M1: 37,399 km (0.119 R)
• M2: 204,051 km (0.102 R)
• M3: 346,618 km (0.04 R)
• M4: 512,971 km (0.108 R)
• M5: 689,048 km (0.108 R)
• M6: 913,594 km (0.087 R)
• M7: 1,725,611 km (0.037 R)
• M8: 2,050,538 km (0.05 R)
• M9: 2,632,474 km (0.106 R)
• M10: 4,598,489 km (0.106 R)
• M11: 4,995,372 km (0.085 R)
• M12: 5,250,586 km (0.12 R)
• M13: 7,368,144 km (0.055 R)
• M14: 7,996,156 km (0.075 R)
• M15: 8,613,845 km (0.067 R)
• M16: 8,750,279 km (0.076 R)
• M17: 9,550,328 km (0.113 R)
• M18: 11,132,924 km (0.077 R)
• M19: 13,914,547 km (0.077 R)
• M20: 14,611,523 km (0.06 R)
• M21: 20,717,211 km (0.095 R)
• M22: 22,991,248 km (0.055 R)
• M23: 23,784,715 km (0.071 R)
• M24: 28,226,725 km (0.076 R)
• M25: 28,729,523 km (0.059 R)
• M26: 29,649,550 km (0.077 R)
• M27: 30,906,471 km (0.049 R)
• M28: 32,747,273 km (0.049 R)
• M29: 33,302,281 km (0.086 R)
• M30: 35,818,966 km (0.049 R)
• M31: 37,726,937 km (0.09 R)
• M32: 40,332,484 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.2

Radius: 4.1

Gravity: 18.39 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.11 AU - 8.27 AU

Year: 14221 Days

Day: 23.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,497,455 km

• M1: 51,013 km (0.108 R)
• M2: 422,614 km (0.071 R)
• M3: 587,172 km (0.115 R)
• M4: 1,103,733 km (0.115 R)
• M5: 1,292,526 km (0.087 R)
• M6: 1,421,329 km (0.099 R)
• M7: 1,660,237 km (0.111 R)
• M8: 3,113,580 km (0.071 R)
• M9: 3,980,500 km (0.094 R)
• M10: 4,227,187 km (0.117 R)
• M11: 5,718,528 km (0.088 R)
• M12: 6,212,201 km (0.071 R)
• M13: 6,771,996 km (0.109 R)
• M14: 8,164,154 km (0.062 R)
• M15: 9,785,496 km (0.09 R)
• M16: 11,609,543 km (0.109 R)
• M17: 13,343,532 km (0.058 R)
• M18: 13,895,697 km (0.102 R)
• M19: 14,590,879 km (0.096 R)
• M20: 14,784,458 km (0.04 R)
• M21: 14,979,833 km (0.104 R)
• M22: 16,674,627 km (0.102 R)
• M23: 17,897,590 km (0.119 R)
• M24: 19,960,844 km (0.085 R)
• M25: 23,037,922 km (0.119 R)
• M26: 25,380,027 km (0.067 R)
• M27: 29,285,429 km (0.119 R)
• M28: 31,059,959 km (0.032 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: 161 - 18,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit