🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 14.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.52 AU - 0.58 AU

Year: 282 Days

Day: 11.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,442,826 km

• M1: 184,305 km (0.109 R)
• M2: 676,781 km (0.099 R)
• M3: 1,181,225 km (0.039 R)
• M4: 1,772,286 km (0.066 R)
• M5: 2,372,772 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279

Radius: 11

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.89 AU - 0.89 AU

Year: 580 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,442,826 km

• M1: 136,882 km (0.104 R)
• M2: 496,665 km (0.077 R)
• M3: 1,071,869 km (0.043 R)
• M4: 1,654,552 km (0.067 R)
• M5: 2,568,745 km (0.117 R)
• M6: 3,253,604 km (0.102 R)
• M7: 4,030,615 km (0.092 R)
• M8: 5,305,638 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.9

Radius: 13.2

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.57 AU - 2.31 AU

Year: 1865 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,442,826 km

• M1: 164,109 km (0.119 R)
• M2: 816,505 km (0.097 R)
• M3: 1,967,511 km (0.077 R)
• M4: 2,591,783 km (0.102 R)
• M5: 3,027,861 km (0.106 R)
• M6: 3,994,263 km (0.11 R)
• M7: 5,223,808 km (0.106 R)
• M8: 6,326,943 km (0.105 R)
• M9: 7,550,803 km (0.057 R)
• M10: 7,962,047 km (0.119 R)
• M11: 10,717,939 km (0.094 R)
• M12: 12,655,830 km (0.1 R)
• M13: 14,501,120 km (0.049 R)
• M14: 15,890,585 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.8

Radius: 9.3

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.37 AU - 3.07 AU

Year: 3096 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,442,826 km

• M1: 115,639 km (0.114 R)
• M2: 514,617 km (0.095 R)
• M3: 868,266 km (0.033 R)
• M4: 1,278,912 km (0.116 R)
• M5: 1,641,388 km (0.117 R)
• M6: 2,125,935 km (0.062 R)
• M7: 2,901,152 km (0.046 R)
• M8: 3,326,309 km (0.108 R)
• M9: 5,536,468 km (0.034 R)
• M10: 6,808,947 km (0.071 R)
• M11: 7,401,055 km (0.081 R)
• M12: 9,612,112 km (0.045 R)
• M13: 12,096,334 km (0.101 R)
• M14: 16,251,864 km (0.093 R)
• M15: 19,069,839 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648

Radius: 11.5

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.76 AU - 5.12 AU

Year: 6458 Days

Day: 7.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,442,826 km

• M1: 143,016 km (0.101 R)
• M2: 569,070 km (0.095 R)
• M3: 1,014,722 km (0.11 R)
• M4: 1,531,284 km (0.071 R)
• M5: 2,188,168 km (0.076 R)
• M6: 3,005,122 km (0.105 R)
• M7: 3,397,667 km (0.109 R)
• M8: 4,787,431 km (0.045 R)
• M9: 8,207,837 km (0.041 R)
• M10: 8,568,368 km (0.105 R)
• M11: 10,163,081 km (0.053 R)
• M12: 12,307,118 km (0.1 R)
• M13: 13,320,344 km (0.111 R)
• M14: 14,913,711 km (0.097 R)
• M15: 15,695,061 km (0.099 R)
• M16: 19,802,719 km (0.103 R)
• M17: 21,342,530 km (0.089 R)
• M18: 22,103,235 km (0.069 R)
• M19: 22,490,245 km (0.072 R)
• M20: 23,517,832 km (0.06 R)
• M21: 24,742,141 km (0.04 R)
• M22: 25,327,817 km (0.117 R)
• M23: 26,614,060 km (0.105 R)
• M24: 29,038,143 km (0.069 R)
• M25: 30,161,324 km (0.113 R)
• M26: 31,605,841 km (0.081 R)
• M27: 34,115,046 km (0.1 R)
• M28: 34,840,746 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.7

Radius: 8.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.77 AU - 6.25 AU

Year: 8928 Days

Day: 12 Hours

Environment

Temp: -228 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,442,826 km

• M1: 105,766 km (0.06 R)
• M2: 418,276 km (0.043 R)
• M3: 984,952 km (0.057 R)
• M4: 1,500,167 km (0.055 R)
• M5: 1,976,038 km (0.117 R)
• M6: 2,783,867 km (0.101 R)
• M7: 3,279,784 km (0.093 R)
• M8: 4,900,677 km (0.106 R)
• M9: 5,242,508 km (0.1 R)
• M10: 10,837,169 km (0.063 R)
• M11: 12,103,216 km (0.117 R)
• M12: 13,158,778 km (0.077 R)
• M13: 14,366,332 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.7

Radius: 6.9

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.93 AU - 9.43 AU

Year: 16149 Days

Day: 16.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,442,826 km

• M1: 87,515 km (0.079 R)
• M2: 421,716 km (0.092 R)
• M3: 1,074,412 km (0.099 R)
• M4: 1,486,404 km (0.066 R)
• M5: 2,542,266 km (0.112 R)
• M6: 3,250,911 km (0.08 R)
• M7: 5,350,069 km (0.094 R)
• M8: 6,428,669 km (0.116 R)
• M9: 7,517,293 km (0.106 R)
• M10: 8,770,923 km (0.116 R)
• M11: 9,497,071 km (0.104 R)
• M12: 13,675,340 km (0.116 R)
• M13: 18,544,900 km (0.025 R)
• M14: 22,013,027 km (0.053 R)
• M15: 23,532,044 km (0.074 R)
• M16: 32,411,127 km (0.073 R)
• M17: 34,490,986 km (0.115 R)
• M18: 37,525,130 km (0.084 R)
• M19: 41,129,242 km (0.048 R)
• M20: 44,536,483 km (0.078 R)
• M21: 49,917,518 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 14,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit