🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.3

Radius: 13.1

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.68 AU - 0.94 AU

Year: 503 Days

Day: 12.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,661,161 km

• M1: 162,912 km (0.101 R)
• M2: 570,267 km (0.084 R)
• M3: 979,268 km (0.086 R)
• M4: 1,835,416 km (0.118 R)
• M5: 2,623,049 km (0.1 R)
• M6: 3,379,565 km (0.101 R)
• M7: 3,838,532 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.4

Radius: 11.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.88 AU - 1.2 AU

Year: 732 Days

Day: 11.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 43,661,161 km

• M1: 148,102 km (0.063 R)
• M2: 627,713 km (0.119 R)
• M3: 1,406,220 km (0.111 R)
• M4: 2,556,628 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.6

Radius: 13.6

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.82 AU - 2.08 AU

Year: 1880 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 51.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,661,161 km

• M1: 169,345 km (0.105 R)
• M2: 693,237 km (0.095 R)
• M3: 1,367,624 km (0.052 R)
• M4: 1,855,014 km (0.077 R)
• M5: 3,227,873 km (0.099 R)
• M6: 3,752,214 km (0.084 R)
• M7: 5,408,262 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.3

Radius: 14.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.74 AU - 4.2 AU

Year: 4462 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,661,161 km

• M1: 177,872 km (0.112 R)
• M2: 625,319 km (0.109 R)
• M3: 1,104,481 km (0.08 R)
• M4: 1,802,355 km (0.1 R)
• M5: 3,041,474 km (0.113 R)
• M6: 3,959,556 km (0.118 R)
• M7: 4,738,064 km (0.066 R)
• M8: 5,675,145 km (0.077 R)
• M9: 6,601,604 km (0.09 R)
• M10: 7,170,076 km (0.103 R)
• M11: 9,694,092 km (0.068 R)
• M12: 10,926,180 km (0.057 R)
• M13: 12,915,682 km (0.07 R)
• M14: 15,193,609 km (0.115 R)
• M15: 15,950,125 km (0.075 R)
• M16: 17,225,148 km (0.053 R)
• M17: 18,632,564 km (0.107 R)
• M18: 19,297,228 km (0.076 R)
• M19: 20,815,048 km (0.106 R)
• M20: 22,188,805 km (0.072 R)
• M21: 28,467,278 km (0.094 R)
• M22: 29,797,353 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.1

Radius: 7.6

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.74 AU - 5.98 AU

Year: 9792 Days

Day: 21 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,661,161 km

• M1: 95,294 km (0.116 R)
• M2: 382,372 km (0.112 R)
• M3: 675,883 km (0.061 R)
• M4: 1,012,329 km (0.098 R)
• M5: 1,996,084 km (0.095 R)
• M6: 2,263,865 km (0.105 R)
• M7: 3,459,600 km (0.114 R)
• M8: 3,795,148 km (0.091 R)
• M9: 4,180,512 km (0.089 R)
• M10: 6,784,862 km (0.067 R)
• M11: 7,065,358 km (0.116 R)
• M12: 8,265,282 km (0.082 R)
• M13: 10,259,272 km (0.079 R)
• M14: 11,678,358 km (0.114 R)
• M15: 13,472,784 km (0.111 R)
• M16: 14,304,698 km (0.073 R)
• M17: 16,354,638 km (0.075 R)
• M18: 17,524,343 km (0.108 R)
• M19: 18,129,616 km (0.107 R)
• M20: 21,710,840 km (0.108 R)
• M21: 21,970,841 km (0.071 R)
• M22: 24,876,032 km (0.067 R)
• M23: 27,925,435 km (0.077 R)
• M24: 29,169,790 km (0.053 R)
• M25: 30,450,796 km (0.085 R)
• M26: 39,964,024 km (0.11 R)
• M27: 40,616,869 km (0.032 R)
• M28: 41,542,730 km (0.101 R)
• M29: 41,943,802 km (0.053 R)
• M30: 44,126,884 km (0.074 R)
• M31: 44,404,986 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.4

Radius: 3.4

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.06 AU - 11.48 AU

Year: 19482 Days

Day: 21.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,661,161 km

• M1: 42,336 km (0.095 R)
• M2: 844,929 km (0.059 R)
• M3: 1,896,452 km (0.073 R)
• M4: 2,094,370 km (0.093 R)
• M5: 9,138,036 km (0.068 R)
• M6: 9,276,714 km (0.096 R)
• M7: 11,801,327 km (0.077 R)
• M8: 13,636,744 km (0.083 R)
• M9: 17,150,648 km (0.116 R)
• M10: 17,432,640 km (0.113 R)
• M11: 20,662,159 km (0.114 R)
• M12: 21,304,083 km (0.09 R)
• M13: 24,445,938 km (0.051 R)
• M14: 25,527,829 km (0.111 R)
• M15: 25,803,090 km (0.102 R)
• M16: 28,864,610 km (0.107 R)
• M17: 34,007,785 km (0.078 R)
• M18: 38,754,226 km (0.093 R)
• M19: 39,852,125 km (0.098 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 15,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit