🌌 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: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 13.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.77 AU - 1.11 AU

Year: 579 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,309,189 km

• M1: 167,998 km (0.034 R)
• M2: 763,398 km (0.056 R)
• M3: 1,230,592 km (0.119 R)
• M4: 1,752,090 km (0.113 R)
• M5: 2,177,547 km (0.101 R)
• M6: 2,600,759 km (0.063 R)
• M7: 3,090,991 km (0.088 R)
• M8: 3,734,860 km (0.076 R)
• M9: 4,275,358 km (0.109 R)
• M10: 4,773,070 km (0.079 R)
• M11: 6,408,025 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.5

Radius: 11.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.8 AU - 2.84 AU

Year: 2247 Days

Day: 6.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,309,189 km

• M1: 140,173 km (0.085 R)
• M2: 581,936 km (0.033 R)
• M3: 1,119,441 km (0.095 R)
• M4: 1,503,159 km (0.033 R)
• M5: 1,905,727 km (0.072 R)
• M6: 2,690,966 km (0.098 R)
• M7: 3,607,403 km (0.116 R)
• M8: 4,677,028 km (0.099 R)
• M9: 5,404,223 km (0.099 R)
• M10: 6,152,960 km (0.082 R)
• M11: 9,257,715 km (0.117 R)
• M12: 10,553,382 km (0.095 R)
• M13: 12,338,533 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.8

Radius: 9.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.55 AU - 3.63 AU

Year: 3454 Days

Day: 13.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,309,189 km

• M1: 114,442 km (0.12 R)
• M2: 576,849 km (0.064 R)
• M3: 935,735 km (0.117 R)
• M4: 1,295,667 km (0.059 R)
• M5: 2,255,337 km (0.106 R)
• M6: 3,453,018 km (0.092 R)
• M7: 3,951,329 km (0.077 R)
• M8: 4,402,665 km (0.066 R)
• M9: 7,758,894 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242

Radius: 11.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.4 AU - 3.4 AU

Year: 3986 Days

Day: 14.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,309,189 km

• M1: 143,165 km (0.062 R)
• M2: 620,083 km (0.114 R)
• M3: 1,013,974 km (0.094 R)
• M4: 1,611,169 km (0.091 R)
• M5: 2,131,770 km (0.063 R)
• M6: 2,516,236 km (0.089 R)
• M7: 3,058,528 km (0.098 R)
• M8: 3,604,860 km (0.028 R)
• M9: 4,155,530 km (0.079 R)
• M10: 5,571,025 km (0.109 R)
• M11: 9,466,553 km (0.073 R)
• M12: 9,856,555 km (0.09 R)
• M13: 11,326,354 km (0.084 R)
• M14: 13,023,841 km (0.044 R)
• M15: 14,138,794 km (0.12 R)
• M16: 14,555,424 km (0.11 R)
• M17: 14,980,282 km (0.067 R)
• M18: 17,705,357 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 8.7

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.88 AU - 4.94 AU

Year: 5888 Days

Day: 10.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,309,189 km

• M1: 108,159 km (0.115 R)
• M2: 444,605 km (0.107 R)
• M3: 994,227 km (0.101 R)
• M4: 2,296,327 km (0.062 R)
• M5: 2,742,279 km (0.11 R)
• M6: 4,125,610 km (0.073 R)
• M7: 4,898,732 km (0.085 R)
• M8: 5,733,638 km (0.118 R)
• M9: 6,086,389 km (0.117 R)
• M10: 6,590,833 km (0.056 R)
• M11: 6,942,538 km (0.063 R)
• M12: 8,033,555 km (0.071 R)
• M13: 9,542,100 km (0.069 R)
• M14: 11,938,508 km (0.084 R)
• M15: 12,568,316 km (0.076 R)
• M16: 15,189,719 km (0.078 R)
• M17: 21,793,418 km (0.067 R)
• M18: 25,631,351 km (0.105 R)
• M19: 30,088,620 km (0.091 R)
• M20: 30,377,194 km (0.107 R)
• M21: 30,862,190 km (0.066 R)
• M22: 33,881,823 km (0.063 R)
• M23: 34,824,888 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.4

Radius: 11.8

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.71 AU - 5.33 AU

Year: 6110 Days

Day: 14.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,309,189 km

• M1: 146,756 km (0.081 R)
• M2: 527,332 km (0.054 R)
• M3: 1,371,513 km (0.103 R)
• M4: 2,589,240 km (0.118 R)
• M5: 3,132,879 km (0.119 R)
• M6: 4,137,728 km (0.063 R)
• M7: 5,234,579 km (0.079 R)
• M8: 5,747,849 km (0.116 R)
• M9: 7,009,259 km (0.103 R)
• M10: 10,378,053 km (0.052 R)
• M11: 11,006,065 km (0.099 R)
• M12: 12,737,959 km (0.09 R)
• M13: 14,867,934 km (0.074 R)
• M14: 17,411,696 km (0.055 R)
• M15: 18,170,457 km (0.112 R)
• M16: 19,754,100 km (0.029 R)
• M17: 21,071,608 km (0.111 R)
• M18: 21,715,777 km (0.118 R)
• M19: 22,225,905 km (0.076 R)
• M20: 24,346,455 km (0.098 R)
• M21: 29,162,459 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983

Radius: 7.3

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.98 AU - 9.42 AU

Year: 13585 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,309,189 km

• M1: 92,003 km (0.093 R)
• M2: 342,280 km (0.086 R)
• M3: 712,983 km (0.03 R)
• M4: 983,606 km (0.103 R)
• M5: 1,513,631 km (0.111 R)
• M6: 2,648,182 km (0.12 R)
• M7: 5,283,198 km (0.07 R)
• M8: 5,732,291 km (0.053 R)
• M9: 6,411,765 km (0.119 R)
• M10: 7,099,317 km (0.106 R)
• M11: 8,026,375 km (0.08 R)
• M12: 8,979,762 km (0.114 R)
• M13: 9,894,852 km (0.103 R)
• M14: 10,635,511 km (0.092 R)
• M15: 11,290,750 km (0.084 R)
• M16: 11,721,442 km (0.115 R)
• M17: 13,281,748 km (0.083 R)
• M18: 13,971,095 km (0.1 R)
• M19: 15,049,396 km (0.094 R)
• M20: 19,479,288 km (0.063 R)
• M21: 21,564,533 km (0.06 R)
• M22: 23,100,155 km (0.051 R)
• M23: 33,242,143 km (0.115 R)
• M24: 38,647,413 km (0.078 R)
• M25: 39,344,090 km (0.119 R)
• M26: 40,333,680 km (0.111 R)
• M27: 40,906,491 km (0.055 R)
• M28: 41,775,953 km (0.102 R)
• M29: 46,936,781 km (0.091 R)
• M30: 48,210,008 km (0.107 R)
• M31: 50,825,129 km (0.077 R)
• M32: 55,098,392 km (0.103 R)
• M33: 55,626,771 km (0.098 R)
• M34: 57,955,412 km (0.092 R)
• M35: 66,318,382 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.2

Radius: 5.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.84 AU - 11.58 AU

Year: 19238 Days

Day: 23.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 113.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,309,189 km

• M1: 97,837 km (0.092 R)
• M2: 381,475 km (0.118 R)
• M3: 1,087,726 km (0.115 R)
• M4: 1,318,855 km (0.089 R)
• M5: 2,268,502 km (0.074 R)
• M6: 4,926,108 km (0.043 R)
• M7: 6,539,372 km (0.05 R)
• M8: 9,012,673 km (0.112 R)
• M9: 11,179,748 km (0.1 R)
• M10: 13,853,361 km (0.029 R)
• M11: 14,222,718 km (0.025 R)
• M12: 15,501,331 km (0.037 R)
• M13: 22,463,317 km (0.09 R)
• M14: 26,664,474 km (0.119 R)
• M15: 26,949,159 km (0.115 R)
• M16: 30,010,530 km (0.073 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: 284 - 15,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit