🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.9

Radius: 13.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.57 AU - 0.71 AU

Year: 353 Days

Day: 13.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,002,816 km

• M1: 165,605 km (0.087 R)
• M2: 588,368 km (0.099 R)
• M3: 1,004,251 km (0.097 R)
• M4: 1,616,405 km (0.087 R)
• M5: 2,371,725 km (0.107 R)
• M6: 2,847,147 km (0.105 R)
• M7: 3,443,893 km (0.05 R)
• M8: 3,929,487 km (0.097 R)
• M9: 4,601,032 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89

Radius: 11.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.65 AU - 0.85 AU

Year: 448 Days

Day: 9.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,002,816 km

• M1: 144,512 km (0.073 R)
• M2: 609,163 km (0.06 R)
• M3: 1,572,872 km (0.073 R)
• M4: 2,272,691 km (0.11 R)
• M5: 3,003,028 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.3

Radius: 13.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.75 AU - 1.81 AU

Year: 1639 Days

Day: 10.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,002,816 km

• M1: 172,935 km (0.094 R)
• M2: 751,729 km (0.088 R)
• M3: 1,584,391 km (0.083 R)
• M4: 2,104,094 km (0.093 R)
• M5: 2,617,215 km (0.074 R)
• M6: 3,244,628 km (0.063 R)
• M7: 4,336,094 km (0.12 R)
• M8: 5,682,326 km (0.08 R)
• M9: 6,614,769 km (0.068 R)
• M10: 9,667,164 km (0.092 R)
• M11: 10,678,745 km (0.088 R)
• M12: 13,192,139 km (0.073 R)
• M13: 13,680,875 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.2

Radius: 8.6

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.3 AU - 2.4 AU

Year: 2487 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,002,816 km

• M1: 106,962 km (0.042 R)
• M2: 420,071 km (0.105 R)
• M3: 809,773 km (0.049 R)
• M4: 1,126,173 km (0.08 R)
• M5: 1,444,667 km (0.066 R)
• M6: 1,882,689 km (0.115 R)
• M7: 2,537,778 km (0.107 R)
• M8: 2,813,936 km (0.09 R)
• M9: 3,093,086 km (0.048 R)
• M10: 3,785,425 km (0.041 R)
• M11: 4,106,162 km (0.117 R)
• M12: 5,400,034 km (0.091 R)
• M13: 6,800,270 km (0.109 R)
• M14: 7,491,263 km (0.096 R)
• M15: 9,808,235 km (0.059 R)
• M16: 10,532,737 km (0.119 R)
• M17: 10,808,446 km (0.076 R)
• M18: 11,498,242 km (0.107 R)
• M19: 11,832,892 km (0.103 R)
• M20: 13,055,556 km (0.045 R)
• M21: 14,553,629 km (0.111 R)
• M22: 16,636,181 km (0.063 R)
• M23: 17,172,788 km (0.069 R)
• M24: 20,151,282 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.7

Radius: 11.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.15 AU - 2.59 AU

Year: 2518 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,002,816 km

• M1: 146,756 km (0.085 R)
• M2: 581,337 km (0.108 R)
• M3: 1,023,997 km (0.091 R)
• M4: 1,533,378 km (0.059 R)
• M5: 2,221,977 km (0.053 R)
• M6: 2,602,554 km (0.069 R)
• M7: 3,206,331 km (0.073 R)
• M8: 3,901,812 km (0.094 R)
• M9: 4,545,382 km (0.092 R)
• M10: 5,235,177 km (0.089 R)
• M11: 6,122,592 km (0.109 R)
• M12: 7,638,168 km (0.073 R)
• M13: 9,286,886 km (0.106 R)
• M14: 10,286,948 km (0.097 R)
• M15: 11,516,493 km (0.081 R)
• M16: 13,231,782 km (0.044 R)
• M17: 14,968,165 km (0.105 R)
• M18: 18,012,032 km (0.107 R)

Asteroid Belt

Center: 3.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109

Radius: 11.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.89 AU - 4.31 AU

Year: 5730 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,002,816 km

• M1: 151,543 km (0.104 R)
• M2: 570,117 km (0.083 R)
• M3: 1,128,566 km (0.076 R)
• M4: 1,558,660 km (0.103 R)
• M5: 2,026,453 km (0.038 R)
• M6: 4,826,775 km (0.095 R)
• M7: 5,515,374 km (0.075 R)
• M8: 6,216,091 km (0.095 R)
• M9: 6,807,451 km (0.079 R)
• M10: 7,554,543 km (0.095 R)
• M11: 8,875,791 km (0.077 R)
• M12: 10,308,640 km (0.07 R)
• M13: 15,822,069 km (0.096 R)
• M14: 16,569,311 km (0.086 R)
• M15: 17,392,099 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.6

Radius: 7.3

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.19 AU - 6.77 AU

Year: 11386 Days

Day: 20.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,002,816 km

• M1: 90,806 km (0.118 R)
• M2: 355,594 km (0.116 R)
• M3: 713,133 km (0.039 R)
• M4: 1,094,009 km (0.053 R)
• M5: 1,575,714 km (0.115 R)
• M6: 2,135,809 km (0.064 R)
• M7: 4,000,097 km (0.093 R)
• M8: 4,377,234 km (0.113 R)
• M9: 7,242,332 km (0.099 R)
• M10: 8,770,026 km (0.051 R)
• M11: 9,457,577 km (0.09 R)
• M12: 9,970,249 km (0.111 R)
• M13: 10,447,317 km (0.075 R)
• M14: 12,509,224 km (0.086 R)
• M15: 13,443,313 km (0.067 R)
• M16: 14,091,371 km (0.119 R)
• M17: 15,033,389 km (0.109 R)
• M18: 16,016,846 km (0.07 R)
• M19: 16,967,839 km (0.119 R)
• M20: 18,345,935 km (0.061 R)
• M21: 20,550,559 km (0.094 R)
• M22: 22,204,064 km (0.068 R)
• M23: 32,966,284 km (0.111 R)
• M24: 34,024,241 km (0.085 R)
• M25: 34,262,400 km (0.098 R)
• M26: 35,225,960 km (0.092 R)
• M27: 36,455,804 km (0.098 R)
• M28: 37,841,380 km (0.032 R)
• M29: 38,870,912 km (0.114 R)
• M30: 40,051,389 km (0.102 R)
• M31: 40,316,776 km (0.105 R)
• M32: 46,459,713 km (0.095 R)
• M33: 50,832,309 km (0.034 R)
• M34: 53,680,054 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 12,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit