🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526

Radius: 11.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 11.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,066,253 km

• M1: 143,464 km (0.103 R)
• M2: 524,490 km (0.109 R)
• M3: 894,745 km (0.032 R)
• M4: 1,295,518 km (0.095 R)
• M5: 1,811,481 km (0.084 R)
• M6: 2,226,914 km (0.108 R)
• M7: 3,117,320 km (0.107 R)
• M8: 3,538,738 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.5

Radius: 10.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.51 AU - 0.71 AU

Year: 329 Days

Day: 6.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,066,253 km

• M1: 135,536 km (0.107 R)
• M2: 513,420 km (0.104 R)
• M3: 921,822 km (0.078 R)
• M4: 1,787,844 km (0.06 R)
• M5: 2,474,498 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.6

Radius: 11.1

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.78 AU - 0.88 AU

Year: 522 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,066,253 km

• M1: 140,173 km (0.099 R)
• M2: 854,952 km (0.108 R)
• M3: 1,244,804 km (0.063 R)
• M4: 1,670,709 km (0.08 R)
• M5: 2,143,588 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.9

Radius: 14.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.88 AU - 1 AU

Year: 629 Days

Day: 14.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,066,253 km

• M1: 184,155 km (0.082 R)
• M2: 725,400 km (0.12 R)
• M3: 1,326,185 km (0.112 R)
• M4: 1,799,812 km (0.073 R)
• M5: 2,461,184 km (0.102 R)
• M6: 3,372,235 km (0.101 R)
• M7: 3,892,836 km (0.088 R)
• M8: 5,637,297 km (0.098 R)
• M9: 6,314,975 km (0.116 R)
• M10: 7,003,275 km (0.09 R)
• M11: 7,741,241 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73

Radius: 12.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.65 AU - 2.15 AU

Year: 1808 Days

Day: 5 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,066,253 km

• M1: 160,369 km (0.064 R)
• M2: 733,329 km (0.092 R)
• M3: 1,206,357 km (0.106 R)
• M4: 1,726,060 km (0.071 R)
• M5: 2,424,233 km (0.082 R)
• M6: 3,086,503 km (0.108 R)
• M7: 4,341,629 km (0.074 R)
• M8: 4,759,007 km (0.032 R)
• M9: 5,514,626 km (0.104 R)
• M10: 6,099,554 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.1

Radius: 12.1

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.38 AU - 3.4 AU

Year: 3391 Days

Day: 14.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,066,253 km

• M1: 150,645 km (0.069 R)
• M2: 697,425 km (0.114 R)
• M3: 1,083,687 km (0.076 R)
• M4: 1,898,397 km (0.088 R)
• M5: 2,327,743 km (0.099 R)
• M6: 2,771,600 km (0.099 R)
• M7: 3,484,583 km (0.119 R)
• M8: 4,432,136 km (0.066 R)
• M9: 5,626,226 km (0.115 R)
• M10: 6,494,044 km (0.085 R)
• M11: 7,153,022 km (0.107 R)
• M12: 8,568,068 km (0.049 R)
• M13: 9,053,514 km (0.112 R)
• M14: 9,478,671 km (0.046 R)
• M15: 9,916,992 km (0.116 R)
• M16: 11,182,142 km (0.115 R)
• M17: 11,581,867 km (0.077 R)
• M18: 12,742,747 km (0.069 R)
• M19: 13,928,759 km (0.083 R)
• M20: 16,292,106 km (0.093 R)
• M21: 17,568,924 km (0.102 R)
• M22: 24,744,834 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 14.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.57 AU - 3.79 AU

Year: 4873 Days

Day: 14.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,066,253 km

• M1: 179,218 km (0.076 R)
• M2: 980,165 km (0.098 R)
• M3: 1,492,089 km (0.119 R)
• M4: 2,721,484 km (0.118 R)
• M5: 4,547,177 km (0.041 R)
• M6: 5,069,722 km (0.067 R)
• M7: 5,632,509 km (0.092 R)
• M8: 6,331,131 km (0.111 R)
• M9: 7,121,158 km (0.086 R)
• M10: 9,099,440 km (0.114 R)
• M11: 9,933,897 km (0.116 R)
• M12: 11,233,903 km (0.096 R)
• M13: 13,105,671 km (0.062 R)
• M14: 14,335,066 km (0.08 R)
• M15: 15,407,683 km (0.063 R)
• M16: 18,682,829 km (0.12 R)
• M17: 23,149,223 km (0.111 R)
• M18: 25,670,097 km (0.099 R)
• M19: 26,996,881 km (0.061 R)
• M20: 29,338,985 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 17,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit