🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415

Radius: 10.3

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.12 AU - 1.48 AU

Year: 972 Days

Day: 5.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,881,463 km

• M1: 128,205 km (0.118 R)
• M2: 535,560 km (0.119 R)
• M3: 872,604 km (0.074 R)
• M4: 1,295,518 km (0.072 R)
• M5: 1,684,472 km (0.109 R)
• M6: 2,513,095 km (0.104 R)
• M7: 3,001,083 km (0.107 R)
• M8: 3,414,571 km (0.116 R)
• M9: 3,836,737 km (0.118 R)
• M10: 4,341,031 km (0.104 R)
• M11: 4,667,902 km (0.108 R)
• M12: 5,885,330 km (0.058 R)
• M13: 6,967,371 km (0.104 R)
• M14: 7,303,069 km (0.11 R)
• M15: 8,400,220 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.6

Radius: 12

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.18 AU - 1.44 AU

Year: 984 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,881,463 km

• M1: 150,495 km (0.107 R)
• M2: 524,341 km (0.078 R)
• M3: 936,333 km (0.088 R)
• M4: 1,657,544 km (0.113 R)
• M5: 2,071,033 km (0.12 R)
• M6: 2,801,071 km (0.059 R)
• M7: 3,590,050 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.3

Radius: 14.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.15 AU - 1.65 AU

Year: 1087 Days

Day: 9.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,881,463 km

• M1: 179,069 km (0.096 R)
• M2: 663,018 km (0.107 R)
• M3: 1,160,879 km (0.093 R)
• M4: 1,613,413 km (0.116 R)
• M5: 2,264,014 km (0.094 R)
• M6: 3,788,267 km (0.09 R)
• M7: 4,255,611 km (0.117 R)
• M8: 5,029,630 km (0.086 R)
• M9: 6,206,068 km (0.086 R)
• M10: 6,835,426 km (0.111 R)
• M11: 8,896,735 km (0.084 R)
• M12: 9,426,162 km (0.072 R)
• M13: 10,323,450 km (0.086 R)
• M14: 10,809,493 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 10.1

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.26 AU - 1.9 AU

Year: 1303 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,881,463 km

• M1: 126,410 km (0.114 R)
• M2: 444,904 km (0.062 R)
• M3: 1,138,440 km (0.028 R)
• M4: 1,638,545 km (0.101 R)
• M5: 2,870,634 km (0.086 R)
• M6: 3,774,504 km (0.109 R)
• M7: 4,335,795 km (0.075 R)
• M8: 5,584,189 km (0.081 R)
• M9: 6,632,422 km (0.032 R)
• M10: 10,786,904 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 14.9

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.86 AU - 3.32 AU

Year: 3563 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,881,463 km

• M1: 185,352 km (0.115 R)
• M2: 915,539 km (0.096 R)
• M3: 2,848,792 km (0.084 R)
• M4: 5,953,546 km (0.085 R)
• M5: 13,887,021 km (0.117 R)
• M6: 14,415,101 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.3

Radius: 9.9

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.5 AU - 3.94 AU

Year: 3790 Days

Day: 11.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,881,463 km

• M1: 123,119 km (0.099 R)
• M2: 460,013 km (0.05 R)
• M3: 903,571 km (0.027 R)
• M4: 1,545,496 km (0.107 R)
• M5: 1,875,509 km (0.095 R)
• M6: 2,731,508 km (0.076 R)
• M7: 3,414,571 km (0.037 R)
• M8: 4,684,657 km (0.103 R)
• M9: 5,251,035 km (0.104 R)
• M10: 5,833,719 km (0.114 R)
• M11: 6,614,171 km (0.089 R)
• M12: 7,062,366 km (0.108 R)
• M13: 8,604,421 km (0.091 R)
• M14: 9,100,338 km (0.11 R)
• M15: 10,402,138 km (0.09 R)
• M16: 10,877,112 km (0.112 R)
• M17: 12,923,461 km (0.09 R)
• M18: 14,617,806 km (0.113 R)
• M19: 15,049,995 km (0.107 R)
• M20: 16,053,497 km (0.107 R)
• M21: 18,008,143 km (0.114 R)
• M22: 19,656,113 km (0.113 R)
• M23: 26,534,174 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.8

Radius: 4

Gravity: 21.18 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.8 AU - 8.38 AU

Year: 15095 Days

Day: 22.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,881,463 km

• M1: 51,761 km (0.097 R)
• M2: 413,638 km (0.045 R)
• M3: 551,867 km (0.071 R)
• M4: 713,133 km (0.093 R)
• M5: 1,063,641 km (0.072 R)
• M6: 1,240,166 km (0.112 R)
• M7: 1,422,227 km (0.073 R)
• M8: 1,622,090 km (0.064 R)
• M9: 2,096,016 km (0.1 R)
• M10: 2,279,124 km (0.099 R)
• M11: 2,512,945 km (0.092 R)
• M12: 2,893,522 km (0.089 R)
• M13: 3,097,574 km (0.116 R)
• M14: 3,311,199 km (0.055 R)
• M15: 3,611,442 km (0.051 R)
• M16: 4,590,710 km (0.1 R)
• M17: 5,092,461 km (0.118 R)
• M18: 5,356,651 km (0.072 R)
• M19: 6,278,772 km (0.063 R)
• M20: 6,935,956 km (0.071 R)
• M21: 8,160,863 km (0.105 R)
• M22: 8,847,966 km (0.073 R)
• M23: 8,989,934 km (0.114 R)
• M24: 9,975,036 km (0.102 R)
• M25: 11,640,958 km (0.066 R)
• M26: 12,450,732 km (0.063 R)
• M27: 12,869,456 km (0.096 R)
• M28: 15,171,917 km (0.093 R)
• M29: 15,511,953 km (0.055 R)
• M30: 24,618,723 km (0.112 R)
• M31: 26,532,379 km (0.094 R)
• M32: 28,646,047 km (0.113 R)
• M33: 28,956,762 km (0.107 R)
• M34: 34,473,782 km (0.109 R)
• M35: 43,725,662 km (0.109 R)
• M36: 44,830,144 km (0.11 R)
• M37: 46,521,497 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 11,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit