🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 8.7

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.67 AU - 0.81 AU

Year: 424 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,152,513 km

• M1: 108,309 km (0.114 R)
• M2: 406,607 km (0.096 R)
• M3: 677,230 km (0.08 R)
• M4: 1,070,822 km (0.086 R)
• M5: 1,459,178 km (0.086 R)
• M6: 1,940,284 km (0.119 R)
• M7: 2,420,494 km (0.091 R)
• M8: 3,276,343 km (0.087 R)
• M9: 3,881,766 km (0.113 R)
• M10: 4,307,072 km (0.063 R)
• M11: 4,617,189 km (0.114 R)
• M12: 5,314,464 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.2

Radius: 13.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.81 AU - 0.97 AU

Year: 560 Days

Day: 6.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,152,513 km

• M1: 167,101 km (0.045 R)
• M2: 707,149 km (0.11 R)
• M3: 1,549,236 km (0.096 R)
• M4: 2,048,294 km (0.106 R)
• M5: 2,467,168 km (0.117 R)
• M6: 2,909,529 km (0.095 R)
• M7: 3,762,386 km (0.094 R)
• M8: 4,188,890 km (0.096 R)
• M9: 4,889,906 km (0.093 R)
• M10: 6,115,860 km (0.07 R)
• M11: 6,956,899 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 8.6

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.31 AU - 1.95 AU

Year: 1388 Days

Day: 7.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,152,513 km

• M1: 109,805 km (0.111 R)
• M2: 407,654 km (0.093 R)
• M3: 731,085 km (0.105 R)
• M4: 1,375,253 km (0.055 R)
• M5: 3,571,649 km (0.116 R)
• M6: 4,786,982 km (0.096 R)
• M7: 7,071,491 km (0.094 R)
• M8: 7,634,428 km (0.056 R)
• M9: 8,792,166 km (0.1 R)
• M10: 11,076,077 km (0.1 R)
• M11: 11,382,603 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201

Radius: 10.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.51 AU - 1.79 AU

Year: 1413 Days

Day: 6.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,152,513 km

• M1: 127,158 km (0.071 R)
• M2: 594,053 km (0.114 R)
• M3: 1,010,982 km (0.108 R)
• M4: 1,460,374 km (0.106 R)
• M5: 2,256,085 km (0.087 R)
• M6: 2,653,717 km (0.073 R)
• M7: 3,252,557 km (0.091 R)
• M8: 4,136,980 km (0.086 R)
• M9: 5,543,349 km (0.114 R)
• M10: 6,334,722 km (0.048 R)
• M11: 7,613,933 km (0.093 R)
• M12: 8,642,419 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.1

Radius: 13.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.65 AU - 4.99 AU

Year: 5988 Days

Day: 11.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,152,513 km

• M1: 172,935 km (0.113 R)
• M2: 708,645 km (0.048 R)
• M3: 1,209,499 km (0.06 R)
• M4: 1,856,809 km (0.086 R)
• M5: 2,729,413 km (0.116 R)
• M6: 5,750,692 km (0.061 R)
• M7: 7,104,702 km (0.054 R)
• M8: 7,673,174 km (0.104 R)
• M9: 8,982,754 km (0.104 R)
• M10: 9,563,343 km (0.068 R)
• M11: 11,078,620 km (0.038 R)
• M12: 12,141,064 km (0.057 R)
• M13: 12,645,957 km (0.089 R)
• M14: 22,156,791 km (0.077 R)
• M15: 23,684,784 km (0.099 R)
• M16: 25,609,809 km (0.105 R)
• M17: 26,190,398 km (0.088 R)
• M18: 28,512,457 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.1

Radius: 10.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.3 AU - 5.64 AU

Year: 7389 Days

Day: 13.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,152,513 km

• M1: 128,056 km (0.117 R)
• M2: 516,262 km (0.104 R)
• M3: 1,391,559 km (0.117 R)
• M4: 2,532,692 km (0.097 R)
• M5: 4,101,076 km (0.117 R)
• M6: 4,673,437 km (0.069 R)
• M7: 8,155,777 km (0.114 R)
• M8: 9,953,195 km (0.119 R)
• M9: 10,482,323 km (0.108 R)
• M10: 11,775,297 km (0.109 R)
• M11: 13,463,509 km (0.111 R)
• M12: 14,263,409 km (0.091 R)
• M13: 22,458,979 km (0.101 R)
• M14: 24,232,461 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.9

Radius: 10.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.83 AU - 5.81 AU

Year: 8183 Days

Day: 8.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,152,513 km

• M1: 133,591 km (0.07 R)
• M2: 630,405 km (0.103 R)
• M3: 992,283 km (0.078 R)
• M4: 1,353,262 km (0.089 R)
• M5: 2,828,597 km (0.117 R)
• M6: 3,325,411 km (0.116 R)
• M7: 5,056,408 km (0.096 R)
• M8: 5,601,094 km (0.041 R)
• M9: 6,951,963 km (0.102 R)
• M10: 7,472,563 km (0.029 R)
• M11: 8,974,825 km (0.118 R)
• M12: 9,912,056 km (0.084 R)
• M13: 11,413,270 km (0.097 R)
• M14: 11,928,336 km (0.086 R)
• M15: 12,784,784 km (0.118 R)
• M16: 14,087,033 km (0.061 R)
• M17: 14,982,676 km (0.116 R)
• M18: 16,559,138 km (0.062 R)
• M19: 20,486,980 km (0.114 R)
• M20: 21,402,967 km (0.034 R)
• M21: 22,345,883 km (0.119 R)
• M22: 23,234,494 km (0.119 R)
• M23: 24,483,786 km (0.116 R)
• M24: 25,168,196 km (0.032 R)
• M25: 25,689,694 km (0.079 R)
• M26: 27,572,384 km (0.11 R)
• M27: 28,219,843 km (0.07 R)
• M28: 28,972,171 km (0.073 R)
• M29: 29,545,131 km (0.069 R)
• M30: 31,209,706 km (0.065 R)
• M31: 31,912,966 km (0.11 R)
• M32: 34,298,304 km (0.043 R)
• M33: 37,359,675 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 16,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit