🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.6

Radius: 9.2

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.48 AU - 0.7 AU

Year: 313 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,468,981 km

• M1: 114,442 km (0.087 R)
• M2: 687,103 km (0.088 R)
• M3: 977,024 km (0.049 R)
• M4: 1,278,314 km (0.097 R)
• M5: 1,935,048 km (0.062 R)
• M6: 2,224,221 km (0.034 R)
• M7: 2,517,732 km (0.117 R)
• M8: 2,928,079 km (0.114 R)
• M9: 3,506,275 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 8.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.56 AU - 0.66 AU

Year: 329 Days

Day: 13 Hours

Environment

Temp: -143 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,468,981 km

• M1: 110,852 km (0.102 R)
• M2: 478,564 km (0.108 R)
• M3: 762,052 km (0.103 R)
• M4: 1,057,358 km (0.086 R)
• M5: 1,727,556 km (0.112 R)
• M6: 2,044,255 km (0.12 R)
• M7: 2,344,348 km (0.12 R)
• M8: 3,100,715 km (0.056 R)
• M9: 3,541,131 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482

Radius: 8.6

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.79 AU - 1.01 AU

Year: 589 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,468,981 km

• M1: 106,962 km (0.112 R)
• M2: 455,376 km (0.116 R)
• M3: 778,956 km (0.039 R)
• M4: 1,123,480 km (0.12 R)
• M5: 1,397,843 km (0.12 R)
• M6: 1,694,645 km (0.103 R)
• M7: 2,294,233 km (0.107 R)
• M8: 2,711,461 km (0.106 R)
• M9: 3,273,351 km (0.115 R)
• M10: 3,790,361 km (0.032 R)
• M11: 4,273,862 km (0.084 R)
• M12: 5,230,839 km (0.118 R)
• M13: 6,230,751 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684

Radius: 11.4

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.04 AU - 1.4 AU

Year: 930 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 13,468,981 km

• M1: 141,968 km (0.028 R)
• M2: 499,657 km (0.055 R)
• M3: 928,704 km (0.089 R)
• M4: 1,528,441 km (0.111 R)
• M5: 2,132,667 km (0.071 R)
• M6: 2,542,565 km (0.109 R)
• M7: 2,966,825 km (0.066 R)
• M8: 3,424,146 km (0.081 R)
• M9: 4,297,049 km (0.046 R)
• M10: 4,671,493 km (0.112 R)
• M11: 5,506,099 km (0.114 R)
• M12: 5,990,348 km (0.084 R)
• M13: 6,591,282 km (0.115 R)
• M14: 8,141,864 km (0.086 R)
• M15: 8,717,966 km (0.1 R)
• M16: 9,126,368 km (0.036 R)
• M17: 9,690,651 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.24 AU - 1.56 AU

Year: 1143 Days

Day: 9.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,468,981 km

• M1: 111,899 km (0.078 R)
• M2: 396,734 km (0.096 R)
• M3: 690,843 km (0.074 R)
• M4: 1,364,033 km (0.119 R)
• M5: 2,090,181 km (0.109 R)
• M6: 2,512,047 km (0.069 R)
• M7: 3,570,452 km (0.119 R)
• M8: 4,207,889 km (0.105 R)
• M9: 4,901,425 km (0.09 R)
• M10: 5,210,494 km (0.117 R)
• M11: 5,513,280 km (0.112 R)
• M12: 7,116,072 km (0.104 R)
• M13: 7,418,558 km (0.098 R)
• M14: 8,024,430 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 13.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.09 AU - 1.75 AU

Year: 1168 Days

Day: 13.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,468,981 km

• M1: 167,849 km (0.115 R)
• M2: 714,330 km (0.11 R)
• M3: 1,144,873 km (0.066 R)
• M4: 1,673,701 km (0.118 R)
• M5: 2,313,232 km (0.051 R)
• M6: 2,826,951 km (0.077 R)
• M7: 3,742,041 km (0.113 R)
• M8: 4,261,445 km (0.087 R)
• M9: 5,131,057 km (0.097 R)
• M10: 5,579,701 km (0.086 R)
• M11: 6,686,277 km (0.037 R)
• M12: 7,338,524 km (0.117 R)
• M13: 7,788,514 km (0.096 R)
• M14: 8,408,747 km (0.072 R)
• M15: 9,008,335 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 10.3

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.34 AU - 2.84 AU

Year: 2877 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,468,981 km

• M1: 129,103 km (0.09 R)
• M2: 529,427 km (0.117 R)
• M3: 1,007,841 km (0.086 R)
• M4: 1,504,356 km (0.091 R)
• M5: 2,534,338 km (0.12 R)
• M6: 3,231,314 km (0.049 R)
• M7: 4,902,921 km (0.095 R)
• M8: 9,157,634 km (0.11 R)
• M9: 9,564,689 km (0.112 R)
• M10: 10,686,823 km (0.083 R)
• M11: 12,994,520 km (0.075 R)
• M12: 13,349,216 km (0.056 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 12,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit