🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 8.7

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.9 AU - 1.26 AU

Year: 761 Days

Day: 9.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,021,736 km

• M1: 110,104 km (0.113 R)
• M2: 418,874 km (0.066 R)
• M3: 746,493 km (0.117 R)
• M4: 1,248,544 km (0.111 R)
• M5: 1,744,311 km (0.076 R)
• M6: 2,099,756 km (0.078 R)
• M7: 2,553,336 km (0.062 R)
• M8: 3,140,508 km (0.101 R)
• M9: 3,922,606 km (0.12 R)
• M10: 4,374,242 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.7

Radius: 9.1

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.32 AU - 1.68 AU

Year: 1246 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,021,736 km

• M1: 113,246 km (0.114 R)
• M2: 491,429 km (0.114 R)
• M3: 952,190 km (0.12 R)
• M4: 1,783,955 km (0.119 R)
• M5: 2,131,919 km (0.066 R)
• M6: 2,679,747 km (0.059 R)
• M7: 2,966,227 km (0.118 R)
• M8: 4,858,490 km (0.11 R)
• M9: 5,500,115 km (0.089 R)
• M10: 6,338,462 km (0.115 R)
• M11: 6,677,151 km (0.089 R)
• M12: 7,259,685 km (0.102 R)
• M13: 9,490,339 km (0.094 R)
• M14: 12,032,306 km (0.076 R)
• M15: 12,402,411 km (0.059 R)

Asteroid Belt

Center: 2.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.8

Radius: 11.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3 AU - 3.24 AU

Year: 3738 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,021,736 km

• M1: 147,803 km (0.102 R)
• M2: 695,780 km (0.063 R)
• M3: 1,140,684 km (0.077 R)
• M4: 1,544,448 km (0.114 R)
• M5: 1,938,639 km (0.039 R)
• M6: 2,586,398 km (0.103 R)
• M7: 3,185,687 km (0.116 R)
• M8: 3,981,996 km (0.114 R)
• M9: 4,906,212 km (0.107 R)
• M10: 5,340,195 km (0.109 R)
• M11: 5,827,435 km (0.088 R)
• M12: 6,583,653 km (0.099 R)
• M13: 7,436,809 km (0.101 R)
• M14: 8,220,553 km (0.084 R)
• M15: 8,760,751 km (0.118 R)
• M16: 11,032,544 km (0.057 R)
• M17: 11,424,041 km (0.103 R)
• M18: 11,915,321 km (0.114 R)
• M19: 12,988,087 km (0.103 R)
• M20: 16,992,373 km (0.071 R)
• M21: 17,870,064 km (0.071 R)
• M22: 19,715,653 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.4

Radius: 13.3

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.87 AU - 5.67 AU

Year: 7066 Days

Day: 13.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,021,736 km

• M1: 165,455 km (0.101 R)
• M2: 630,256 km (0.095 R)
• M3: 1,097,151 km (0.116 R)
• M4: 2,458,641 km (0.036 R)
• M5: 3,138,264 km (0.098 R)
• M6: 3,978,256 km (0.115 R)
• M7: 4,724,002 km (0.051 R)
• M8: 5,279,309 km (0.12 R)
• M9: 6,683,135 km (0.112 R)
• M10: 7,327,005 km (0.103 R)
• M11: 10,216,787 km (0.103 R)
• M12: 11,034,339 km (0.093 R)
• M13: 12,096,933 km (0.113 R)
• M14: 12,716,118 km (0.029 R)
• M15: 16,134,878 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.9

Radius: 3.4

Gravity: 56.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.41 AU - 7.57 AU

Year: 13903 Days

Day: 17.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,021,736 km

• M1: 65,973 km (0.108 R)
• M2: 177,124 km (0.08 R)
• M3: 378,483 km (0.114 R)
• M4: 710,141 km (0.054 R)
• M5: 1,532,181 km (0.114 R)
• M6: 1,722,171 km (0.114 R)
• M7: 1,909,916 km (0.108 R)
• M8: 2,286,155 km (0.05 R)
• M9: 3,336,182 km (0.093 R)
• M10: 3,936,967 km (0.118 R)
• M11: 5,384,925 km (0.09 R)
• M12: 6,051,982 km (0.119 R)
• M13: 8,526,181 km (0.087 R)
• M14: 9,325,632 km (0.061 R)
• M15: 9,743,609 km (0.111 R)
• M16: 9,957,234 km (0.058 R)
• M17: 10,338,559 km (0.096 R)
• M18: 13,219,515 km (0.091 R)
• M19: 13,481,311 km (0.111 R)
• M20: 15,628,789 km (0.096 R)
• M21: 15,847,950 km (0.1 R)
• M22: 17,206,298 km (0.086 R)
• M23: 19,980,292 km (0.065 R)
• M24: 21,383,071 km (0.092 R)
• M25: 22,569,980 km (0.092 R)
• M26: 23,038,072 km (0.119 R)
• M27: 27,122,543 km (0.11 R)
• M28: 28,295,240 km (0.102 R)
• M29: 28,839,178 km (0.066 R)
• M30: 32,844,063 km (0.094 R)
• M31: 32,963,592 km (0.105 R)
• M32: 35,165,822 km (0.071 R)
• M33: 37,987,986 km (0.077 R)
• M34: 41,933,929 km (0.098 R)
• M35: 44,369,532 km (0.095 R)
• M36: 48,583,554 km (0.111 R)
• M37: 49,050,299 km (0.116 R)
• M38: 58,671,686 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.1

Radius: 6.2

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.07 AU - 10.95 AU

Year: 18343 Days

Day: 18.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,021,736 km

• M1: 123,717 km (0.084 R)
• M2: 409,898 km (0.094 R)
• M3: 1,098,946 km (0.076 R)
• M4: 1,528,441 km (0.101 R)
• M5: 1,906,625 km (0.07 R)
• M6: 6,270,993 km (0.118 R)
• M7: 7,888,595 km (0.074 R)
• M8: 12,040,385 km (0.11 R)
• M9: 14,849,982 km (0.077 R)
• M10: 18,224,611 km (0.069 R)
• M11: 20,341,720 km (0.09 R)
• M12: 21,024,634 km (0.058 R)
• M13: 36,698,901 km (0.114 R)
• M14: 51,647,468 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.9

Radius: 5.7

Gravity: 24.65 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 10.41 AU - 10.79 AU

Year: 23407 Days

Day: 17.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,021,736 km

• M1: 74,649 km (0.105 R)
• M2: 1,920,837 km (0.12 R)
• M3: 2,644,591 km (0.065 R)
• M4: 3,884,608 km (0.093 R)
• M5: 4,152,238 km (0.064 R)
• M6: 8,069,010 km (0.07 R)
• M7: 10,344,842 km (0.104 R)
• M8: 10,729,309 km (0.063 R)
• M9: 13,016,062 km (0.109 R)
• M10: 15,608,593 km (0.119 R)
• M11: 23,279,673 km (0.096 R)
• M12: 24,725,237 km (0.058 R)
• M13: 28,039,877 km (0.027 R)
• M14: 28,287,461 km (0.097 R)
• M15: 29,038,742 km (0.063 R)
• M16: 33,688,393 km (0.091 R)
• M17: 46,300,242 km (0.096 R)
• M18: 49,115,524 km (0.116 R)
• M19: 54,121,518 km (0.086 R)
• M20: 71,158,471 km (0.094 R)
• M21: 72,546,291 km (0.097 R)
• M22: 78,033,391 km (0.104 R)
• M23: 87,166,790 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 14,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit