🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.4

Radius: 15

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.63 AU - 0.63 AU

Year: 339 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,536,471 km

• M1: 186,698 km (0.103 R)
• M2: 660,026 km (0.067 R)
• M3: 1,277,865 km (0.058 R)
• M4: 1,798,316 km (0.079 R)
• M5: 2,290,493 km (0.025 R)
• M6: 3,212,913 km (0.052 R)
• M7: 4,451,733 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.5

Radius: 9

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.44 AU - 2.08 AU

Year: 1584 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,536,471 km

• M1: 111,899 km (0.089 R)
• M2: 505,491 km (0.099 R)
• M3: 931,247 km (0.097 R)
• M4: 1,479,373 km (0.116 R)
• M5: 1,761,515 km (0.075 R)
• M6: 2,350,183 km (0.074 R)
• M7: 2,876,917 km (0.101 R)
• M8: 3,291,004 km (0.071 R)
• M9: 4,004,286 km (0.055 R)
• M10: 4,332,055 km (0.102 R)
• M11: 4,776,959 km (0.117 R)
• M12: 5,104,279 km (0.107 R)
• M13: 6,516,633 km (0.069 R)
• M14: 7,206,877 km (0.073 R)
• M15: 7,832,645 km (0.073 R)
• M16: 9,732,389 km (0.077 R)
• M17: 10,060,008 km (0.103 R)
• M18: 10,428,767 km (0.116 R)
• M19: 11,087,147 km (0.109 R)
• M20: 11,408,483 km (0.086 R)
• M21: 11,699,451 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.6

Radius: 13.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.11 AU - 2.25 AU

Year: 2183 Days

Day: 13 Hours

Environment

Temp: -195 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,536,471 km

• M1: 170,392 km (0.12 R)
• M2: 658,530 km (0.116 R)
• M3: 1,515,127 km (0.106 R)
• M4: 2,096,165 km (0.091 R)
• M5: 2,547,053 km (0.064 R)
• M6: 3,332,293 km (0.086 R)
• M7: 3,918,716 km (0.098 R)
• M8: 4,384,414 km (0.096 R)
• M9: 5,471,991 km (0.085 R)
• M10: 6,908,729 km (0.058 R)
• M11: 7,812,001 km (0.114 R)
• M12: 8,321,232 km (0.032 R)
• M13: 9,344,033 km (0.043 R)
• M14: 9,853,563 km (0.083 R)
• M15: 10,721,231 km (0.037 R)
• M16: 12,192,226 km (0.108 R)
• M17: 13,192,438 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.7

Radius: 11.9

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.32 AU - 2.72 AU

Year: 2713 Days

Day: 8.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,536,471 km

• M1: 150,645 km (0.096 R)
• M2: 599,289 km (0.094 R)
• M3: 1,615,358 km (0.089 R)
• M4: 2,021,067 km (0.116 R)
• M5: 2,600,909 km (0.103 R)
• M6: 3,022,027 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.1

Radius: 13.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.69 AU - 4.05 AU

Year: 5164 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,536,471 km

• M1: 166,502 km (0.09 R)
• M2: 658,530 km (0.064 R)
• M3: 1,241,214 km (0.086 R)
• M4: 1,798,765 km (0.11 R)
• M5: 2,239,779 km (0.089 R)
• M6: 3,452,868 km (0.089 R)
• M7: 4,549,421 km (0.077 R)
• M8: 5,381,634 km (0.104 R)
• M9: 7,985,385 km (0.086 R)
• M10: 11,046,606 km (0.037 R)
• M11: 11,483,731 km (0.105 R)
• M12: 12,865,267 km (0.058 R)
• M13: 13,901,981 km (0.111 R)
• M14: 15,590,641 km (0.095 R)
• M15: 16,141,610 km (0.054 R)
• M16: 16,642,165 km (0.037 R)
• M17: 19,795,389 km (0.105 R)
• M18: 20,296,841 km (0.111 R)
• M19: 22,157,689 km (0.088 R)
• M20: 23,247,958 km (0.035 R)
• M21: 25,535,758 km (0.105 R)
• M22: 26,130,410 km (0.091 R)
• M23: 27,612,925 km (0.077 R)
• M24: 30,650,061 km (0.102 R)
• M25: 32,994,110 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.5

Radius: 10

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.19 AU - 4.81 AU

Year: 6475 Days

Day: 14.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,536,471 km

• M1: 124,316 km (0.118 R)
• M2: 1,384,079 km (0.107 R)
• M3: 2,100,055 km (0.099 R)
• M4: 2,542,266 km (0.087 R)
• M5: 3,221,740 km (0.115 R)
• M6: 3,615,332 km (0.117 R)
• M7: 4,111,249 km (0.108 R)
• M8: 4,729,387 km (0.055 R)
• M9: 5,638,793 km (0.043 R)
• M10: 8,171,634 km (0.092 R)
• M11: 8,631,498 km (0.069 R)
• M12: 9,027,633 km (0.083 R)
• M13: 11,101,508 km (0.09 R)
• M14: 11,809,854 km (0.093 R)
• M15: 12,200,006 km (0.108 R)
• M16: 12,598,534 km (0.086 R)
• M17: 14,667,772 km (0.091 R)
• M18: 15,005,115 km (0.12 R)
• M19: 16,167,191 km (0.116 R)
• M20: 23,345,645 km (0.069 R)
• M21: 25,063,029 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 19,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit