🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.5 AU - 0.58 AU

Year: 149 Days

Day: 41.5 Hours

Environment

Temp: 205 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.88 AU - 1.26 AU

Year: 415 Days

Day: 47 Hours

Environment

Temp: 4 °C

Axial Tilt: 28.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.09 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.5

Radius: 11.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.18 AU - 6.02 AU

Year: 4316 Days

Day: 14.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,992,853 km

• M1: 147,354 km (0.03 R)
• M2: 516,113 km (0.096 R)
• M3: 1,284,298 km (0.074 R)
• M4: 1,693,448 km (0.099 R)
• M5: 2,534,188 km (0.108 R)
• M6: 2,948,125 km (0.087 R)
• M7: 5,278,262 km (0.05 R)
• M8: 6,292,984 km (0.073 R)
• M9: 7,059,075 km (0.092 R)
• M10: 8,671,291 km (0.084 R)
• M11: 9,810,628 km (0.109 R)
• M12: 11,088,643 km (0.117 R)
• M13: 14,564,998 km (0.102 R)
• M14: 15,224,874 km (0.115 R)
• M15: 15,640,757 km (0.086 R)
• M16: 16,441,105 km (0.03 R)
• M17: 21,049,916 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 9.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.28 AU - 6.52 AU

Year: 6067 Days

Day: 10 Hours

Environment

Temp: -162 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,992,853 km

• M1: 130,150 km (0.081 R)
• M2: 523,742 km (0.088 R)
• M3: 1,042,697 km (0.037 R)
• M4: 1,912,160 km (0.034 R)
• M5: 2,509,355 km (0.098 R)
• M6: 4,388,304 km (0.114 R)
• M7: 4,849,514 km (0.117 R)
• M8: 5,399,735 km (0.072 R)
• M9: 6,052,431 km (0.09 R)
• M10: 12,681,262 km (0.12 R)
• M11: 13,196,627 km (0.12 R)
• M12: 13,887,320 km (0.051 R)
• M13: 18,027,890 km (0.086 R)
• M14: 25,596,196 km (0.08 R)
• M15: 26,170,652 km (0.11 R)
• M16: 27,345,593 km (0.109 R)
• M17: 30,253,626 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.8

Radius: 14.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.37 AU - 7.97 AU

Year: 6455 Days

Day: 7.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,992,853 km

• M1: 198,367 km (0.112 R)
• M2: 1,059,452 km (0.116 R)
• M3: 2,306,051 km (0.075 R)
• M4: 4,017,451 km (0.119 R)
• M5: 4,709,790 km (0.104 R)
• M6: 9,603,286 km (0.113 R)
• M7: 10,078,857 km (0.099 R)
• M8: 10,615,615 km (0.114 R)
• M9: 12,391,940 km (0.085 R)
• M10: 14,527,449 km (0.084 R)
• M11: 15,742,034 km (0.11 R)
• M12: 18,373,012 km (0.115 R)
• M13: 19,654,617 km (0.065 R)
• M14: 21,357,639 km (0.101 R)
• M15: 22,850,476 km (0.118 R)
• M16: 24,332,243 km (0.084 R)
• M17: 25,300,441 km (0.082 R)
• M18: 26,631,263 km (0.119 R)
• M19: 29,978,516 km (0.119 R)
• M20: 30,438,828 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.3

Radius: 3.2

Gravity: 47.88 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 13.46 AU - 19.86 AU

Year: 25482 Days

Day: 16.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,992,853 km

• M1: 39,793 km (0.086 R)
• M2: 152,141 km (0.083 R)
• M3: 293,810 km (0.034 R)
• M4: 398,978 km (0.053 R)
• M5: 506,090 km (0.105 R)
• M6: 708,645 km (0.068 R)
• M7: 823,387 km (0.115 R)
• M8: 1,131,259 km (0.076 R)
• M9: 2,659,701 km (0.088 R)
• M10: 3,708,232 km (0.102 R)
• M11: 4,566,924 km (0.12 R)
• M12: 5,233,981 km (0.04 R)
• M13: 5,430,104 km (0.101 R)
• M14: 7,325,509 km (0.103 R)
• M15: 7,721,045 km (0.065 R)
• M16: 7,822,173 km (0.119 R)
• M17: 12,010,465 km (0.11 R)
• M18: 12,146,300 km (0.114 R)
• M19: 12,629,501 km (0.076 R)
• M20: 15,720,492 km (0.09 R)
• M21: 16,211,323 km (0.09 R)
• M22: 20,415,023 km (0.104 R)
• M23: 21,895,743 km (0.094 R)
• M24: 22,817,714 km (0.109 R)
• M25: 23,235,541 km (0.11 R)
• M26: 25,290,717 km (0.111 R)
• M27: 28,655,921 km (0.092 R)
• M28: 29,387,455 km (0.098 R)
• M29: 32,702,095 km (0.097 R)
• M30: 35,137,249 km (0.052 R)
• M31: 37,545,625 km (0.092 R)
• M32: 43,321,898 km (0.037 R)
• M33: 43,962,326 km (0.074 R)
• M34: 45,426,291 km (0.114 R)
• M35: 49,314,489 km (0.075 R)
• M36: 52,870,879 km (0.118 R)
• M37: 59,893,752 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 13,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit