🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171

Radius: 9.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.46 AU - 0.62 AU

Year: 274 Days

Day: 15 Hours

Environment

Temp: -134 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,356,416 km

• M1: 113,246 km (0.033 R)
• M2: 447,746 km (0.081 R)
• M3: 780,003 km (0.108 R)
• M4: 1,127,669 km (0.115 R)
• M5: 1,568,234 km (0.093 R)
• M6: 1,904,979 km (0.113 R)
• M7: 2,535,235 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 14.6

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.6 AU - 0.72 AU

Year: 370 Days

Day: 6.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,356,416 km

• M1: 181,612 km (0.072 R)
• M2: 683,961 km (0.115 R)
• M3: 1,215,034 km (0.102 R)
• M4: 1,984,865 km (0.093 R)
• M5: 2,452,956 km (0.105 R)
• M6: 2,995,548 km (0.11 R)
• M7: 4,040,339 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.1

Radius: 9.3

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1 AU - 1.44 AU

Year: 930 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,356,416 km

• M1: 116,387 km (0.114 R)
• M2: 502,200 km (0.11 R)
• M3: 994,227 km (0.116 R)
• M4: 1,545,346 km (0.114 R)
• M5: 3,001,831 km (0.032 R)
• M6: 3,609,198 km (0.036 R)
• M7: 3,989,775 km (0.079 R)
• M8: 4,633,345 km (0.108 R)
• M9: 5,328,078 km (0.056 R)
• M10: 5,929,012 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 14.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.02 AU - 1.64 AU

Year: 1059 Days

Day: 13.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,356,416 km

• M1: 181,612 km (0.045 R)
• M2: 751,729 km (0.108 R)
• M3: 1,248,843 km (0.065 R)
• M4: 2,105,740 km (0.11 R)
• M5: 3,214,260 km (0.082 R)
• M6: 3,771,063 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.8

Radius: 12

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.03 AU - 4.75 AU

Year: 5296 Days

Day: 6.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,356,416 km

• M1: 151,094 km (0.063 R)
• M2: 592,557 km (0.061 R)
• M3: 1,134,999 km (0.078 R)
• M4: 1,550,582 km (0.063 R)
• M5: 2,150,320 km (0.106 R)
• M6: 2,687,675 km (0.075 R)
• M7: 3,443,294 km (0.102 R)
• M8: 3,853,940 km (0.062 R)
• M9: 4,433,034 km (0.113 R)
• M10: 4,857,742 km (0.12 R)
• M11: 5,979,876 km (0.095 R)
• M12: 6,810,443 km (0.082 R)
• M13: 7,889,493 km (0.038 R)
• M14: 8,732,028 km (0.078 R)
• M15: 10,280,066 km (0.08 R)
• M16: 11,174,512 km (0.086 R)
• M17: 11,773,801 km (0.096 R)
• M18: 13,700,771 km (0.076 R)
• M19: 15,142,296 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587

Radius: 4.3

Gravity: 31.75 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.92 AU - 7.7 AU

Year: 10941 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,356,416 km

• M1: 53,855 km (0.092 R)
• M2: 206,894 km (0.099 R)
• M3: 863,629 km (0.104 R)
• M4: 1,046,736 km (0.117 R)
• M5: 1,396,795 km (0.085 R)
• M6: 1,591,721 km (0.101 R)
• M7: 2,159,445 km (0.117 R)
• M8: 3,006,917 km (0.041 R)
• M9: 4,512,620 km (0.089 R)
• M10: 5,163,520 km (0.108 R)
• M11: 6,162,235 km (0.098 R)
• M12: 6,534,585 km (0.107 R)
• M13: 7,161,400 km (0.067 R)
• M14: 7,365,152 km (0.118 R)
• M15: 10,960,138 km (0.117 R)
• M16: 11,340,566 km (0.095 R)
• M17: 12,417,521 km (0.105 R)
• M18: 12,711,929 km (0.086 R)
• M19: 13,192,587 km (0.105 R)
• M20: 15,506,268 km (0.102 R)
• M21: 17,409,452 km (0.051 R)
• M22: 19,939,900 km (0.081 R)
• M23: 20,588,407 km (0.089 R)
• M24: 28,165,838 km (0.069 R)
• M25: 32,513,601 km (0.029 R)
• M26: 33,185,296 km (0.101 R)
• M27: 33,524,434 km (0.1 R)
• M28: 34,324,932 km (0.084 R)
• M29: 40,933,568 km (0.104 R)
• M30: 44,947,428 km (0.066 R)

Asteroid Belt

Center: 6.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.6

Radius: 3.4

Gravity: 18.48 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.56 AU - 8.1 AU

Year: 12321 Days

Day: 15.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,356,416 km

• M1: 42,935 km (0.077 R)
• M2: 551,717 km (0.068 R)
• M3: 1,121,984 km (0.046 R)
• M4: 1,265,000 km (0.081 R)
• M5: 1,521,859 km (0.035 R)
• M6: 1,768,696 km (0.101 R)
• M7: 2,430,367 km (0.114 R)
• M8: 2,632,923 km (0.102 R)
• M9: 2,988,367 km (0.087 R)
• M10: 3,264,375 km (0.038 R)
• M11: 3,842,571 km (0.117 R)
• M12: 5,228,595 km (0.116 R)
• M13: 5,441,772 km (0.117 R)
• M14: 6,595,172 km (0.041 R)
• M15: 9,152,248 km (0.084 R)
• M16: 9,328,175 km (0.055 R)
• M17: 12,194,022 km (0.033 R)
• M18: 17,277,357 km (0.093 R)
• M19: 19,290,795 km (0.085 R)
• M20: 21,071,010 km (0.032 R)
• M21: 24,192,519 km (0.04 R)
• M22: 26,082,538 km (0.117 R)
• M23: 26,436,337 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 18,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit