🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.6

Radius: 13.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.69 AU - 0.79 AU

Year: 411 Days

Day: 12.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,316,787 km

• M1: 162,912 km (0.105 R)
• M2: 705,354 km (0.108 R)
• M3: 1,231,938 km (0.112 R)
• M4: 1,654,104 km (0.108 R)
• M5: 2,216,891 km (0.061 R)
• M6: 2,755,443 km (0.064 R)
• M7: 3,758,497 km (0.073 R)
• M8: 4,324,575 km (0.039 R)
• M9: 4,844,278 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.3

Radius: 9.7

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.86 AU - 1.06 AU

Year: 607 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,316,787 km

• M1: 120,576 km (0.076 R)
• M2: 431,291 km (0.081 R)
• M3: 870,360 km (0.076 R)
• M4: 1,197,681 km (0.112 R)
• M5: 1,538,764 km (0.044 R)
• M6: 2,064,899 km (0.042 R)
• M7: 2,402,093 km (0.072 R)
• M8: 2,799,425 km (0.097 R)
• M9: 3,266,021 km (0.062 R)
• M10: 3,573,295 km (0.048 R)
• M11: 3,958,659 km (0.091 R)
• M12: 4,984,451 km (0.082 R)
• M13: 5,338,849 km (0.105 R)
• M14: 6,609,084 km (0.045 R)
• M15: 7,439,203 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.3

Radius: 8.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.11 AU - 1.13 AU

Year: 765 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 97.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,316,787 km

• M1: 110,852 km (0.077 R)
• M2: 445,353 km (0.056 R)
• M3: 762,201 km (0.115 R)
• M4: 1,116,150 km (0.098 R)
• M5: 1,671,906 km (0.068 R)
• M6: 2,114,865 km (0.115 R)
• M7: 2,818,873 km (0.112 R)
• M8: 3,111,935 km (0.072 R)
• M9: 4,212,227 km (0.065 R)
• M10: 4,973,980 km (0.088 R)
• M11: 5,536,468 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 11.7

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.95 AU - 3.35 AU

Year: 3610 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,316,787 km

• M1: 145,559 km (0.109 R)
• M2: 520,301 km (0.083 R)
• M3: 1,517,670 km (0.083 R)
• M4: 1,893,011 km (0.108 R)
• M5: 4,420,617 km (0.061 R)
• M6: 4,811,816 km (0.106 R)
• M7: 7,965,787 km (0.069 R)
• M8: 9,048,128 km (0.064 R)
• M9: 10,872,923 km (0.087 R)
• M10: 11,762,881 km (0.114 R)
• M11: 12,609,305 km (0.05 R)
• M12: 13,832,866 km (0.044 R)
• M13: 15,708,375 km (0.109 R)
• M14: 16,135,327 km (0.098 R)
• M15: 17,124,019 km (0.065 R)
• M16: 18,682,380 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.1

Radius: 8.6

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.58 AU - 4.5 AU

Year: 5243 Days

Day: 5.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,316,787 km

• M1: 110,254 km (0.099 R)
• M2: 395,387 km (0.084 R)
• M3: 961,316 km (0.102 R)
• M4: 1,260,811 km (0.058 R)
• M5: 1,600,099 km (0.095 R)
• M6: 2,082,402 km (0.051 R)
• M7: 2,424,533 km (0.117 R)
• M8: 4,023,285 km (0.082 R)
• M9: 5,207,352 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733

Radius: 6.4

Gravity: 17.9 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.34 AU - 7.16 AU

Year: 10089 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,316,787 km

• M1: 79,885 km (0.059 R)
• M2: 304,880 km (0.072 R)
• M3: 694,433 km (0.114 R)
• M4: 1,048,681 km (0.106 R)
• M5: 1,356,553 km (0.12 R)
• M6: 1,574,966 km (0.092 R)
• M7: 3,183,742 km (0.116 R)
• M8: 3,994,263 km (0.108 R)
• M9: 6,883,596 km (0.053 R)
• M10: 7,451,470 km (0.028 R)
• M11: 7,704,141 km (0.09 R)
• M12: 8,361,175 km (0.114 R)
• M13: 9,007,288 km (0.044 R)
• M14: 9,342,686 km (0.112 R)
• M15: 9,936,889 km (0.1 R)
• M16: 12,274,356 km (0.099 R)
• M17: 14,170,808 km (0.082 R)
• M18: 16,254,407 km (0.115 R)
• M19: 16,751,670 km (0.07 R)
• M20: 19,312,487 km (0.1 R)
• M21: 23,715,900 km (0.051 R)
• M22: 23,988,617 km (0.075 R)
• M23: 26,832,024 km (0.065 R)
• M24: 29,786,881 km (0.029 R)
• M25: 36,333,583 km (0.105 R)
• M26: 44,463,479 km (0.097 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: 499 - 14,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit