🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.1

Radius: 14.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.49 AU - 0.73 AU

Year: 318 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,809,499 km

• M1: 182,809 km (0.088 R)
• M2: 842,086 km (0.111 R)
• M3: 1,307,485 km (0.077 R)
• M4: 2,099,008 km (0.108 R)
• M5: 2,728,516 km (0.098 R)
• M6: 3,403,501 km (0.113 R)
• M7: 4,085,667 km (0.112 R)
• M8: 4,548,822 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.6

Radius: 12.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.64 AU - 0.94 AU

Year: 468 Days

Day: 7.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,809,499 km

• M1: 153,039 km (0.101 R)
• M2: 562,488 km (0.076 R)
• M3: 951,742 km (0.057 R)
• M4: 1,650,962 km (0.025 R)
• M5: 2,294,981 km (0.087 R)
• M6: 2,859,414 km (0.069 R)
• M7: 3,321,522 km (0.113 R)
• M8: 4,226,888 km (0.099 R)
• M9: 4,768,432 km (0.044 R)
• M10: 5,523,004 km (0.081 R)
• M11: 5,938,138 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.4

Radius: 9.1

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1 AU - 1.51 AU

Year: 932 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,809,499 km

• M1: 113,395 km (0.086 R)
• M2: 490,232 km (0.079 R)
• M3: 910,153 km (0.104 R)
• M4: 1,223,860 km (0.109 R)
• M5: 2,088,087 km (0.084 R)
• M6: 2,929,575 km (0.077 R)
• M7: 3,531,258 km (0.076 R)
• M8: 4,308,119 km (0.118 R)
• M9: 4,823,035 km (0.115 R)
• M10: 5,122,381 km (0.096 R)
• M11: 5,642,832 km (0.063 R)
• M12: 6,531,293 km (0.092 R)
• M13: 7,211,365 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 10.9

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.2 AU - 1.84 AU

Year: 1250 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,809,499 km

• M1: 135,685 km (0.113 R)
• M2: 504,743 km (0.105 R)
• M3: 1,180,477 km (0.063 R)
• M4: 1,616,555 km (0.115 R)
• M5: 2,070,135 km (0.099 R)
• M6: 2,443,681 km (0.102 R)
• M7: 2,974,454 km (0.035 R)
• M8: 3,500,740 km (0.067 R)
• M9: 4,231,825 km (0.094 R)
• M10: 4,780,250 km (0.045 R)
• M11: 5,375,500 km (0.116 R)
• M12: 5,769,391 km (0.092 R)
• M13: 6,253,341 km (0.1 R)
• M14: 6,689,718 km (0.083 R)
• M15: 8,524,386 km (0.087 R)
• M16: 12,657,625 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.8

Radius: 14

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.91 AU - 4.21 AU

Year: 4479 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,809,499 km

• M1: 179,368 km (0.084 R)
• M2: 616,044 km (0.092 R)
• M3: 1,272,330 km (0.112 R)
• M4: 1,768,097 km (0.118 R)
• M5: 2,294,233 km (0.083 R)
• M6: 3,870,247 km (0.055 R)
• M7: 4,426,003 km (0.099 R)
• M8: 5,158,135 km (0.113 R)
• M9: 6,895,564 km (0.055 R)
• M10: 8,015,454 km (0.096 R)
• M11: 8,996,068 km (0.071 R)
• M12: 10,292,633 km (0.053 R)
• M13: 12,557,395 km (0.104 R)
• M14: 13,444,809 km (0.114 R)
• M15: 14,174,697 km (0.089 R)
• M16: 14,930,915 km (0.115 R)
• M17: 17,305,033 km (0.109 R)
• M18: 18,345,336 km (0.098 R)
• M19: 19,983,433 km (0.104 R)
• M20: 22,316,861 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.7

Radius: 6.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.95 AU - 7.47 AU

Year: 10320 Days

Day: 18.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,809,499 km

• M1: 115,340 km (0.041 R)
• M2: 559,496 km (0.091 R)
• M3: 907,311 km (0.063 R)
• M4: 1,588,430 km (0.109 R)
• M5: 2,161,839 km (0.087 R)
• M6: 2,864,650 km (0.117 R)
• M7: 3,111,785 km (0.063 R)
• M8: 3,450,624 km (0.052 R)
• M9: 3,669,486 km (0.117 R)
• M10: 4,405,657 km (0.076 R)
• M11: 5,184,464 km (0.07 R)
• M12: 6,080,256 km (0.114 R)
• M13: 6,763,021 km (0.103 R)
• M14: 7,628,145 km (0.07 R)
• M15: 8,139,471 km (0.042 R)
• M16: 8,856,643 km (0.116 R)
• M17: 10,293,081 km (0.113 R)
• M18: 11,130,979 km (0.108 R)
• M19: 14,835,770 km (0.108 R)
• M20: 16,850,405 km (0.047 R)
• M21: 18,190,652 km (0.081 R)
• M22: 19,412,568 km (0.083 R)
• M23: 19,979,992 km (0.079 R)
• M24: 22,983,618 km (0.065 R)
• M25: 24,120,413 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.6

Radius: 5.3

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.87 AU - 12.19 AU

Year: 22786 Days

Day: 15.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,809,499 km

• M1: 68,516 km (0.069 R)
• M2: 412,142 km (0.08 R)
• M3: 950,246 km (0.109 R)
• M4: 1,120,937 km (0.115 R)
• M5: 1,341,444 km (0.113 R)
• M6: 1,541,756 km (0.115 R)
• M7: 2,061,758 km (0.042 R)
• M8: 2,528,802 km (0.089 R)
• M9: 2,787,308 km (0.056 R)
• M10: 3,221,740 km (0.113 R)
• M11: 4,096,588 km (0.093 R)
• M12: 4,691,988 km (0.089 R)
• M13: 5,419,332 km (0.079 R)
• M14: 6,345,493 km (0.041 R)
• M15: 7,901,460 km (0.105 R)
• M16: 8,099,827 km (0.059 R)
• M17: 10,270,492 km (0.109 R)
• M18: 12,002,237 km (0.105 R)
• M19: 12,463,896 km (0.065 R)
• M20: 16,032,105 km (0.096 R)
• M21: 16,350,299 km (0.102 R)
• M22: 16,591,750 km (0.097 R)
• M23: 17,834,909 km (0.074 R)
• M24: 21,643,670 km (0.108 R)
• M25: 22,327,183 km (0.098 R)
• M26: 22,823,998 km (0.114 R)
• M27: 23,736,993 km (0.088 R)
• M28: 35,304,200 km (0.113 R)
• M29: 37,213,368 km (0.103 R)
• M30: 39,046,989 km (0.053 R)
• M31: 42,893,150 km (0.103 R)
• M32: 43,815,122 km (0.05 R)
• M33: 47,799,661 km (0.038 R)
• M34: 53,067,451 km (0.088 R)
• M35: 61,577,027 km (0.031 R)
• M36: 63,738,566 km (0.089 R)
• M37: 69,678,649 km (0.034 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: 271 - 13,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit