🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.2

Radius: 8.6

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.69 AU - 0.69 AU

Year: 382 Days

Day: 10.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,997,393 km

• M1: 106,962 km (0.051 R)
• M2: 379,081 km (0.083 R)
• M3: 753,225 km (0.114 R)
• M4: 1,029,981 km (0.119 R)
• M5: 1,304,344 km (0.112 R)
• M6: 1,841,101 km (0.108 R)
• M7: 2,341,207 km (0.037 R)
• M8: 2,900,404 km (0.107 R)
• M9: 3,299,830 km (0.117 R)
• M10: 3,724,239 km (0.044 R)
• M11: 4,184,851 km (0.117 R)

Asteroid Belt

Center: 1.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.4

Radius: 9.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.08 AU - 1.58 AU

Year: 1023 Days

Day: 8.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,997,393 km

• M1: 118,182 km (0.083 R)
• M2: 473,926 km (0.096 R)
• M3: 839,543 km (0.03 R)
• M4: 1,345,034 km (0.069 R)
• M5: 1,709,006 km (0.112 R)
• M6: 2,507,111 km (0.103 R)
• M7: 4,037,796 km (0.034 R)
• M8: 4,604,323 km (0.047 R)
• M9: 5,276,766 km (0.086 R)
• M10: 6,152,362 km (0.12 R)
• M11: 6,881,053 km (0.056 R)
• M12: 7,996,754 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636

Radius: 13.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.12 AU - 1.8 AU

Year: 1176 Days

Day: 5.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,997,393 km

• M1: 172,786 km (0.084 R)
• M2: 820,096 km (0.079 R)
• M3: 1,259,614 km (0.028 R)
• M4: 1,697,188 km (0.107 R)
• M5: 2,581,610 km (0.119 R)
• M6: 3,305,066 km (0.08 R)
• M7: 4,559,743 km (0.079 R)
• M8: 5,662,579 km (0.114 R)
• M9: 8,667,850 km (0.104 R)
• M10: 9,382,928 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507

Radius: 10.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.87 AU - 3.87 AU

Year: 5077 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,997,393 km

• M1: 131,945 km (0.089 R)
• M2: 728,242 km (0.079 R)
• M3: 1,145,920 km (0.09 R)
• M4: 1,534,126 km (0.04 R)
• M5: 1,915,900 km (0.092 R)
• M6: 2,269,848 km (0.089 R)
• M7: 4,105,564 km (0.092 R)
• M8: 4,801,194 km (0.102 R)
• M9: 5,217,525 km (0.095 R)
• M10: 5,916,446 km (0.084 R)
• M11: 6,550,741 km (0.107 R)
• M12: 6,900,800 km (0.091 R)
• M13: 7,263,425 km (0.11 R)
• M14: 8,465,444 km (0.107 R)
• M15: 9,036,011 km (0.031 R)
• M16: 11,395,767 km (0.106 R)
• M17: 12,139,269 km (0.098 R)
• M18: 14,244,859 km (0.072 R)
• M19: 18,277,718 km (0.111 R)
• M20: 18,655,303 km (0.116 R)
• M21: 21,936,882 km (0.09 R)
• M22: 22,868,129 km (0.106 R)
• M23: 24,050,251 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.2

Radius: 13.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.19 AU - 4.95 AU

Year: 6515 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,997,393 km

• M1: 173,833 km (0.092 R)
• M2: 901,776 km (0.061 R)
• M3: 1,359,246 km (0.037 R)
• M4: 1,933,552 km (0.108 R)
• M5: 2,795,835 km (0.103 R)
• M6: 5,138,836 km (0.059 R)
• M7: 7,283,920 km (0.078 R)
• M8: 12,471,077 km (0.114 R)
• M9: 13,866,077 km (0.078 R)
• M10: 15,662,747 km (0.11 R)
• M11: 21,603,578 km (0.066 R)
• M12: 22,824,895 km (0.1 R)
• M13: 26,507,097 km (0.119 R)
• M14: 27,729,013 km (0.089 R)
• M15: 28,264,124 km (0.069 R)
• M16: 33,294,353 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.2

Radius: 4.5

Gravity: 33.2 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.39 AU - 6.61 AU

Year: 9801 Days

Day: 15.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,997,393 km

• M1: 55,950 km (0.094 R)
• M2: 199,115 km (0.082 R)
• M3: 503,247 km (0.117 R)
• M4: 1,551,330 km (0.091 R)
• M5: 2,120,849 km (0.054 R)
• M6: 2,734,799 km (0.037 R)
• M7: 5,023,496 km (0.095 R)
• M8: 5,680,680 km (0.058 R)
• M9: 6,356,264 km (0.117 R)
• M10: 6,542,663 km (0.069 R)
• M11: 6,809,845 km (0.088 R)
• M12: 7,123,851 km (0.089 R)
• M13: 8,567,470 km (0.106 R)
• M14: 9,357,646 km (0.106 R)
• M15: 10,044,001 km (0.088 R)
• M16: 10,763,268 km (0.112 R)
• M17: 11,352,085 km (0.116 R)
• M18: 11,571,395 km (0.102 R)
• M19: 12,710,733 km (0.083 R)
• M20: 17,870,363 km (0.118 R)
• M21: 18,167,315 km (0.089 R)
• M22: 18,770,942 km (0.105 R)
• M23: 19,622,753 km (0.102 R)
• M24: 20,662,159 km (0.119 R)
• M25: 25,843,331 km (0.068 R)
• M26: 33,148,195 km (0.084 R)
• M27: 40,684,787 km (0.056 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 13,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit