🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.8

Radius: 9.5

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.43 AU - 0.63 AU

Year: 266 Days

Day: 12.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,059,697 km

• M1: 118,332 km (0.103 R)
• M2: 532,120 km (0.116 R)
• M3: 859,290 km (0.11 R)
• M4: 1,182,721 km (0.093 R)
• M5: 1,620,444 km (0.114 R)
• M6: 2,026,902 km (0.105 R)
• M7: 2,500,828 km (0.111 R)
• M8: 2,920,450 km (0.093 R)
• M9: 3,527,219 km (0.092 R)
• M10: 3,984,689 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 14.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.52 AU - 0.72 AU

Year: 337 Days

Day: 10.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 94,059,697 km

• M1: 176,525 km (0.074 R)
• M2: 630,256 km (0.084 R)
• M3: 1,119,441 km (0.038 R)
• M4: 1,566,140 km (0.117 R)
• M5: 2,057,868 km (0.09 R)
• M6: 2,784,615 km (0.058 R)
• M7: 3,267,367 km (0.106 R)
• M8: 4,211,180 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.1

Radius: 13.3

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.63 AU - 0.87 AU

Year: 448 Days

Day: 11.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 94,059,697 km

• M1: 165,455 km (0.069 R)
• M2: 669,301 km (0.114 R)
• M3: 1,093,112 km (0.063 R)
• M4: 1,543,850 km (0.08 R)
• M5: 2,184,877 km (0.064 R)
• M6: 2,679,298 km (0.072 R)
• M7: 3,099,069 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.4

Radius: 13.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.22 AU - 1.22 AU

Year: 930 Days

Day: 7.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,059,697 km

• M1: 188,045 km (0.047 R)
• M2: 650,003 km (0.09 R)
• M3: 1,712,896 km (0.06 R)
• M4: 2,335,522 km (0.098 R)
• M5: 3,266,021 km (0.109 R)
• M6: 3,690,579 km (0.102 R)
• M7: 5,268,089 km (0.111 R)
• M8: 6,040,912 km (0.117 R)
• M9: 6,865,196 km (0.11 R)
• M10: 7,912,231 km (0.064 R)
• M11: 8,422,061 km (0.039 R)
• M12: 8,872,650 km (0.081 R)
• M13: 9,423,469 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 14.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.64 AU - 3.58 AU

Year: 3786 Days

Day: 8.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 94,059,697 km

• M1: 179,069 km (0.112 R)
• M2: 633,697 km (0.067 R)
• M3: 1,126,173 km (0.117 R)
• M4: 3,053,442 km (0.098 R)
• M5: 4,528,028 km (0.076 R)
• M6: 5,279,159 km (0.088 R)
• M7: 8,936,827 km (0.083 R)
• M8: 9,715,484 km (0.084 R)
• M9: 10,810,391 km (0.073 R)
• M10: 13,930,703 km (0.091 R)
• M11: 15,027,106 km (0.079 R)
• M12: 16,283,429 km (0.072 R)
• M13: 17,608,567 km (0.066 R)
• M14: 18,606,385 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 11.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.95 AU - 4.45 AU

Year: 5941 Days

Day: 8.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 94,059,697 km

• M1: 145,708 km (0.064 R)
• M2: 688,749 km (0.09 R)
• M3: 1,169,556 km (0.107 R)
• M4: 1,596,808 km (0.111 R)
• M5: 1,998,029 km (0.114 R)
• M6: 2,437,697 km (0.116 R)
• M7: 3,611,293 km (0.041 R)
• M8: 5,254,027 km (0.089 R)
• M9: 5,853,914 km (0.087 R)
• M10: 8,337,688 km (0.097 R)
• M11: 9,908,765 km (0.099 R)
• M12: 12,419,017 km (0.067 R)
• M13: 16,226,731 km (0.1 R)
• M14: 17,273,917 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963

Radius: 3.7

Gravity: 70.34 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.83 AU - 10.99 AU

Year: 23184 Days

Day: 18.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 94,059,697 km

• M1: 53,556 km (0.047 R)
• M2: 171,140 km (0.079 R)
• M3: 409,898 km (0.113 R)
• M4: 1,875,957 km (0.112 R)
• M5: 2,131,919 km (0.058 R)
• M6: 3,040,876 km (0.113 R)
• M7: 4,076,841 km (0.055 R)
• M8: 4,542,839 km (0.034 R)
• M9: 5,003,750 km (0.113 R)
• M10: 5,204,660 km (0.115 R)
• M11: 5,537,515 km (0.084 R)
• M12: 6,017,874 km (0.1 R)
• M13: 7,416,913 km (0.088 R)
• M14: 7,573,093 km (0.103 R)
• M15: 7,784,624 km (0.043 R)
• M16: 8,219,356 km (0.112 R)
• M17: 14,042,453 km (0.095 R)
• M18: 15,348,742 km (0.086 R)
• M19: 15,858,870 km (0.095 R)
• M20: 17,548,429 km (0.108 R)
• M21: 21,280,596 km (0.089 R)
• M22: 22,128,367 km (0.057 R)
• M23: 34,844,785 km (0.111 R)
• M24: 35,282,807 km (0.113 R)
• M25: 35,429,713 km (0.116 R)
• M26: 36,319,221 km (0.108 R)
• M27: 41,970,879 km (0.028 R)
• M28: 45,523,829 km (0.034 R)
• M29: 49,089,195 km (0.076 R)
• M30: 53,221,088 km (0.096 R)
• M31: 54,191,380 km (0.064 R)
• M32: 59,220,411 km (0.117 R)
• M33: 64,551,481 km (0.097 R)
• M34: 69,730,559 km (0.057 R)
• M35: 70,193,565 km (0.083 R)
• M36: 73,971,809 km (0.111 R)
• M37: 76,646,469 km (0.032 R)
• M38: 78,132,275 km (0.086 R)
• M39: 81,161,183 km (0.118 R)
• M40: 81,930,415 km (0.095 R)
• M41: 83,483,541 km (0.078 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 13,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit