🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.6

Radius: 8.7

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.73 AU - 0.89 AU

Year: 503 Days

Day: 11.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,116,547 km

• M1: 108,159 km (0.103 R)
• M2: 388,057 km (0.109 R)
• M3: 665,860 km (0.108 R)
• M4: 1,037,162 km (0.082 R)
• M5: 1,456,485 km (0.09 R)
• M6: 2,053,380 km (0.073 R)
• M7: 2,461,184 km (0.078 R)
• M8: 2,836,376 km (0.106 R)
• M9: 3,428,035 km (0.087 R)
• M10: 4,323,229 km (0.078 R)
• M11: 5,090,965 km (0.111 R)
• M12: 5,583,441 km (0.092 R)
• M13: 5,876,504 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 11.1

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.78 AU - 1.02 AU

Year: 589 Days

Day: 6 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,116,547 km

• M1: 138,079 km (0.074 R)
• M2: 642,523 km (0.089 R)
• M3: 1,295,069 km (0.072 R)
• M4: 2,701,289 km (0.03 R)
• M5: 3,074,535 km (0.056 R)
• M6: 3,514,353 km (0.072 R)
• M7: 3,937,715 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 13.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.15 AU - 1.71 AU

Year: 1180 Days

Day: 8.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,116,547 km

• M1: 169,195 km (0.118 R)
• M2: 616,942 km (0.05 R)
• M3: 1,135,747 km (0.072 R)
• M4: 1,591,422 km (0.088 R)
• M5: 2,077,765 km (0.07 R)
• M6: 5,168,008 km (0.115 R)
• M7: 5,600,346 km (0.119 R)
• M8: 6,538,474 km (0.119 R)
• M9: 8,020,091 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 13.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.24 AU - 1.94 AU

Year: 1384 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,116,547 km

• M1: 172,935 km (0.096 R)
• M2: 607,816 km (0.07 R)
• M3: 1,568,833 km (0.043 R)
• M4: 2,944,535 km (0.113 R)
• M5: 4,433,482 km (0.064 R)
• M6: 5,451,346 km (0.049 R)
• M7: 7,121,158 km (0.109 R)
• M8: 9,325,034 km (0.084 R)
• M9: 10,119,099 km (0.103 R)
• M10: 12,172,180 km (0.091 R)
• M11: 13,159,975 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.2

Radius: 9.8

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.08 AU - 2.3 AU

Year: 2237 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 112.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,116,547 km

• M1: 121,922 km (0.116 R)
• M2: 614,398 km (0.088 R)
• M3: 996,023 km (0.111 R)
• M4: 1,429,408 km (0.089 R)
• M5: 1,892,114 km (0.118 R)
• M6: 4,062,480 km (0.116 R)
• M7: 4,599,087 km (0.103 R)
• M8: 5,788,989 km (0.106 R)
• M9: 7,498,444 km (0.088 R)
• M10: 7,926,892 km (0.117 R)
• M11: 8,765,837 km (0.092 R)
• M12: 9,241,558 km (0.111 R)
• M13: 9,556,462 km (0.099 R)
• M14: 10,888,331 km (0.096 R)
• M15: 11,398,460 km (0.056 R)
• M16: 12,006,725 km (0.117 R)
• M17: 13,200,067 km (0.109 R)
• M18: 14,145,675 km (0.118 R)
• M19: 16,171,380 km (0.119 R)
• M20: 16,578,137 km (0.099 R)
• M21: 17,465,103 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 12

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.72 AU - 2.82 AU

Year: 2361 Days

Day: 13.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,116,547 km

• M1: 149,299 km (0.063 R)
• M2: 853,605 km (0.107 R)
• M3: 1,571,077 km (0.115 R)
• M4: 1,977,235 km (0.111 R)
• M5: 2,600,161 km (0.045 R)
• M6: 3,855,287 km (0.108 R)
• M7: 4,994,624 km (0.089 R)
• M8: 5,655,697 km (0.078 R)
• M9: 6,485,666 km (0.051 R)
• M10: 6,974,402 km (0.1 R)
• M11: 8,025,776 km (0.091 R)
• M12: 9,322,790 km (0.105 R)
• M13: 10,755,040 km (0.105 R)
• M14: 11,400,106 km (0.101 R)
• M15: 13,583,337 km (0.06 R)
• M16: 14,004,156 km (0.097 R)
• M17: 14,970,409 km (0.033 R)
• M18: 18,192,896 km (0.095 R)
• M19: 18,590,079 km (0.051 R)
• M20: 19,697,402 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.2

Radius: 14.2

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.21 AU - 3.43 AU

Year: 3269 Days

Day: 9.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,116,547 km

• M1: 176,675 km (0.075 R)
• M2: 1,396,197 km (0.089 R)
• M3: 1,906,774 km (0.11 R)
• M4: 4,665,210 km (0.044 R)
• M5: 5,638,793 km (0.108 R)
• M6: 6,145,181 km (0.096 R)
• M7: 7,988,377 km (0.06 R)
• M8: 9,304,090 km (0.103 R)
• M9: 9,853,114 km (0.088 R)
• M10: 11,102,855 km (0.066 R)
• M11: 12,834,749 km (0.118 R)
• M12: 14,170,509 km (0.103 R)
• M13: 19,295,582 km (0.102 R)
• M14: 22,479,623 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850

Radius: 12.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.03 AU - 5.15 AU

Year: 7927 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,116,547 km

• M1: 154,235 km (0.093 R)
• M2: 739,462 km (0.075 R)
• M3: 1,129,614 km (0.109 R)
• M4: 2,327,294 km (0.103 R)
• M5: 3,162,050 km (0.118 R)
• M6: 4,213,873 km (0.107 R)
• M7: 5,917,493 km (0.119 R)
• M8: 7,710,424 km (0.036 R)
• M9: 9,461,467 km (0.095 R)
• M10: 14,785,356 km (0.096 R)
• M11: 16,223,590 km (0.071 R)
• M12: 16,907,252 km (0.115 R)
• M13: 17,326,725 km (0.108 R)
• M14: 19,681,993 km (0.03 R)
• M15: 22,243,558 km (0.06 R)
• M16: 24,216,754 km (0.115 R)
• M17: 25,200,509 km (0.081 R)
• M18: 28,805,070 km (0.073 R)
• M19: 35,174,499 km (0.113 R)
• M20: 37,019,339 km (0.104 R)
• M21: 38,084,925 km (0.107 R)
• M22: 39,660,191 km (0.098 R)
• M23: 40,775,892 km (0.045 R)
• M24: 41,278,391 km (0.115 R)
• M25: 42,940,274 km (0.109 R)
• M26: 44,116,562 km (0.099 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: 371 - 15,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit