🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 12.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.76 AU - 1.1 AU

Year: 579 Days

Day: 5.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 104.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,107,009 km

• M1: 160,070 km (0.06 R)
• M2: 560,693 km (0.097 R)
• M3: 1,134,251 km (0.115 R)
• M4: 1,897,200 km (0.095 R)
• M5: 3,321,671 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.2

Radius: 11.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.16 AU - 1.88 AU

Year: 1210 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,107,009 km

• M1: 139,276 km (0.109 R)
• M2: 554,709 km (0.092 R)
• M3: 958,324 km (0.052 R)
• M4: 1,494,932 km (0.068 R)
• M5: 2,116,361 km (0.093 R)
• M6: 2,667,629 km (0.105 R)
• M7: 3,571,051 km (0.062 R)
• M8: 4,574,553 km (0.116 R)
• M9: 5,821,751 km (0.103 R)
• M10: 6,407,726 km (0.06 R)
• M11: 6,787,405 km (0.066 R)
• M12: 8,431,934 km (0.103 R)
• M13: 10,040,560 km (0.091 R)
• M14: 10,619,654 km (0.093 R)
• M15: 11,844,711 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 13

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.52 AU - 1.98 AU

Year: 1495 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,107,009 km

• M1: 161,715 km (0.079 R)
• M2: 803,939 km (0.102 R)
• M3: 1,390,063 km (0.093 R)
• M4: 1,859,202 km (0.111 R)
• M5: 2,424,981 km (0.113 R)
• M6: 3,001,382 km (0.117 R)
• M7: 5,266,294 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 8.4

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.95 AU - 3.01 AU

Year: 2522 Days

Day: 6.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,107,009 km

• M1: 104,868 km (0.116 R)
• M2: 551,119 km (0.099 R)
• M3: 907,161 km (0.116 R)
• M4: 1,332,019 km (0.064 R)
• M5: 1,955,244 km (0.067 R)
• M6: 2,241,126 km (0.098 R)
• M7: 3,105,801 km (0.116 R)
• M8: 3,864,711 km (0.078 R)
• M9: 4,339,086 km (0.105 R)
• M10: 4,655,037 km (0.098 R)
• M11: 4,941,068 km (0.1 R)
• M12: 5,239,067 km (0.097 R)
• M13: 5,720,922 km (0.107 R)
• M14: 6,153,409 km (0.08 R)
• M15: 7,083,908 km (0.112 R)
• M16: 8,011,265 km (0.109 R)
• M17: 9,290,327 km (0.114 R)
• M18: 9,568,579 km (0.116 R)
• M19: 10,362,944 km (0.069 R)
• M20: 11,200,542 km (0.112 R)
• M21: 13,227,145 km (0.09 R)
• M22: 13,848,424 km (0.086 R)
• M23: 15,293,241 km (0.1 R)
• M24: 15,584,059 km (0.115 R)
• M25: 17,094,100 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.2

Radius: 10.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.94 AU - 3.3 AU

Year: 3558 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,107,009 km

• M1: 134,339 km (0.057 R)
• M2: 561,142 km (0.1 R)
• M3: 1,000,959 km (0.119 R)
• M4: 1,897,051 km (0.115 R)
• M5: 2,359,308 km (0.12 R)
• M6: 3,125,997 km (0.037 R)
• M7: 3,661,109 km (0.083 R)
• M8: 4,173,631 km (0.087 R)
• M9: 5,078,848 km (0.118 R)
• M10: 5,977,482 km (0.099 R)
• M11: 7,397,016 km (0.093 R)
• M12: 8,120,621 km (0.102 R)
• M13: 9,782,504 km (0.043 R)
• M14: 10,231,298 km (0.034 R)
• M15: 10,850,782 km (0.051 R)
• M16: 11,250,657 km (0.087 R)
• M17: 12,772,217 km (0.07 R)
• M18: 13,263,347 km (0.09 R)
• M19: 16,323,372 km (0.109 R)
• M20: 18,268,443 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 14.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.08 AU - 4.34 AU

Year: 5577 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,107,009 km

• M1: 182,809 km (0.067 R)
• M2: 798,105 km (0.073 R)
• M3: 1,944,174 km (0.113 R)
• M4: 2,559,620 km (0.068 R)
• M5: 3,794,400 km (0.072 R)
• M6: 4,574,703 km (0.049 R)
• M7: 5,502,958 km (0.106 R)
• M8: 6,505,114 km (0.071 R)
• M9: 9,021,799 km (0.032 R)
• M10: 10,481,575 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.4

Radius: 7.7

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.91 AU - 11.47 AU

Year: 24169 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,107,009 km

• M1: 97,388 km (0.087 R)
• M2: 491,579 km (0.073 R)
• M3: 1,067,830 km (0.078 R)
• M4: 2,492,001 km (0.111 R)
• M5: 3,069,898 km (0.118 R)
• M6: 3,552,052 km (0.095 R)
• M7: 5,423,671 km (0.113 R)
• M8: 5,706,860 km (0.096 R)
• M9: 6,085,492 km (0.107 R)
• M10: 8,940,717 km (0.108 R)
• M11: 11,363,155 km (0.034 R)
• M12: 12,444,149 km (0.103 R)
• M13: 13,081,436 km (0.076 R)
• M14: 14,040,209 km (0.108 R)
• M15: 15,686,833 km (0.098 R)
• M16: 17,111,004 km (0.057 R)
• M17: 18,437,489 km (0.097 R)
• M18: 18,894,510 km (0.088 R)
• M19: 19,641,303 km (0.114 R)
• M20: 19,926,436 km (0.066 R)
• M21: 22,307,735 km (0.113 R)
• M22: 23,459,938 km (0.059 R)
• M23: 23,996,695 km (0.097 R)
• M24: 28,346,403 km (0.104 R)
• M25: 29,572,657 km (0.112 R)
• M26: 41,147,792 km (0.036 R)
• M27: 49,401,854 km (0.03 R)
• M28: 50,638,879 km (0.107 R)
• M29: 52,624,342 km (0.063 R)
• M30: 54,848,713 km (0.057 R)
• M31: 57,522,326 km (0.101 R)
• M32: 63,748,889 km (0.091 R)
• M33: 65,849,542 km (0.039 R)
• M34: 68,648,668 km (0.11 R)
• M35: 73,793,638 km (0.059 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 10,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit