🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 8.9

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.92 AU - 1.12 AU

Year: 687 Days

Day: 5.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,310,282 km

• M1: 111,002 km (0.059 R)
• M2: 402,119 km (0.107 R)
• M3: 738,565 km (0.109 R)
• M4: 1,207,255 km (0.119 R)
• M5: 1,487,751 km (0.106 R)
• M6: 1,891,964 km (0.114 R)
• M7: 2,224,670 km (0.094 R)
• M8: 2,573,831 km (0.063 R)
• M9: 3,731,719 km (0.097 R)
• M10: 4,290,617 km (0.117 R)
• M11: 5,241,461 km (0.119 R)
• M12: 5,575,213 km (0.072 R)
• M13: 6,388,727 km (0.085 R)
• M14: 7,279,133 km (0.094 R)
• M15: 8,499,403 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.3

Radius: 13.8

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1 AU - 1.24 AU

Year: 790 Days

Day: 8.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,310,282 km

• M1: 171,888 km (0.117 R)
• M2: 652,995 km (0.112 R)
• M3: 1,266,944 km (0.079 R)
• M4: 1,726,808 km (0.052 R)
• M5: 2,541,518 km (0.098 R)
• M6: 3,038,333 km (0.115 R)
• M7: 3,747,427 km (0.098 R)
• M8: 5,459,275 km (0.112 R)
• M9: 6,273,536 km (0.051 R)
• M10: 8,169,989 km (0.093 R)
• M11: 8,825,975 km (0.105 R)
• M12: 9,347,773 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.2

Radius: 14.5

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.46 AU - 1.48 AU

Year: 1189 Days

Day: 13.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,310,282 km

• M1: 192,682 km (0.109 R)
• M2: 742,005 km (0.085 R)
• M3: 1,514,379 km (0.108 R)
• M4: 2,751,254 km (0.115 R)
• M5: 4,034,355 km (0.111 R)
• M6: 5,046,834 km (0.105 R)
• M7: 6,266,954 km (0.081 R)
• M8: 7,778,491 km (0.118 R)
• M9: 8,942,063 km (0.112 R)
• M10: 9,491,835 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 13.1

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.39 AU - 2.27 AU

Year: 1651 Days

Day: 12.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,310,282 km

• M1: 162,912 km (0.057 R)
• M2: 812,167 km (0.078 R)
• M3: 1,252,583 km (0.077 R)
• M4: 1,804,300 km (0.067 R)
• M5: 2,597,468 km (0.118 R)
• M6: 3,014,397 km (0.111 R)
• M7: 3,912,583 km (0.114 R)
• M8: 4,424,955 km (0.084 R)
• M9: 4,854,152 km (0.109 R)
• M10: 5,679,034 km (0.095 R)
• M11: 7,636,523 km (0.09 R)
• M12: 8,595,894 km (0.115 R)
• M13: 10,148,570 km (0.099 R)
• M14: 11,573,041 km (0.065 R)
• M15: 12,115,782 km (0.103 R)
• M16: 12,961,608 km (0.093 R)
• M17: 15,179,696 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.5

Radius: 14

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.49 AU - 4.39 AU

Year: 5215 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,310,282 km

• M1: 174,132 km (0.098 R)
• M2: 660,923 km (0.086 R)
• M3: 1,148,762 km (0.056 R)
• M4: 1,737,729 km (0.044 R)
• M5: 2,417,502 km (0.106 R)
• M6: 3,158,161 km (0.073 R)
• M7: 3,664,400 km (0.115 R)
• M8: 5,656,295 km (0.116 R)
• M9: 6,169,865 km (0.11 R)
• M10: 7,390,733 km (0.099 R)
• M11: 8,290,415 km (0.045 R)
• M12: 8,729,634 km (0.087 R)
• M13: 9,300,649 km (0.069 R)
• M14: 10,475,591 km (0.104 R)
• M15: 11,431,372 km (0.095 R)
• M16: 13,218,019 km (0.109 R)
• M17: 13,768,390 km (0.114 R)
• M18: 15,402,298 km (0.118 R)
• M19: 18,801,161 km (0.118 R)
• M20: 22,178,333 km (0.067 R)
• M21: 23,100,006 km (0.08 R)
• M22: 25,863,228 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.1

Radius: 13.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.47 AU - 4.85 AU

Year: 6708 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,310,282 km

• M1: 168,148 km (0.077 R)
• M2: 1,211,144 km (0.071 R)
• M3: 1,634,058 km (0.084 R)
• M4: 2,470,160 km (0.065 R)
• M5: 4,498,558 km (0.094 R)
• M6: 5,217,375 km (0.106 R)
• M7: 7,727,029 km (0.068 R)
• M8: 8,192,877 km (0.097 R)
• M9: 8,801,591 km (0.075 R)
• M10: 10,155,601 km (0.12 R)
• M11: 10,906,732 km (0.051 R)
• M12: 12,154,229 km (0.053 R)
• M13: 17,705,357 km (0.112 R)
• M14: 18,517,673 km (0.104 R)
• M15: 28,887,798 km (0.062 R)
• M16: 31,462,527 km (0.076 R)
• M17: 34,498,915 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.9

Radius: 4

Gravity: 23.68 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.8 AU - 8.06 AU

Year: 14892 Days

Day: 21.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,310,282 km

• M1: 49,816 km (0.108 R)
• M2: 236,963 km (0.064 R)
• M3: 406,906 km (0.118 R)
• M4: 588,219 km (0.029 R)
• M5: 909,705 km (0.076 R)
• M6: 1,036,414 km (0.119 R)
• M7: 1,352,365 km (0.118 R)
• M8: 1,994,140 km (0.068 R)
• M9: 2,304,555 km (0.061 R)
• M10: 2,441,288 km (0.063 R)
• M11: 3,090,542 km (0.102 R)
• M12: 3,330,348 km (0.087 R)
• M13: 4,689,744 km (0.088 R)
• M14: 5,543,499 km (0.108 R)
• M15: 6,229,405 km (0.097 R)
• M16: 8,393,488 km (0.083 R)
• M17: 9,393,699 km (0.108 R)
• M18: 11,973,365 km (0.116 R)
• M19: 13,299,251 km (0.07 R)
• M20: 15,744,727 km (0.086 R)
• M21: 16,238,849 km (0.075 R)
• M22: 18,241,815 km (0.104 R)
• M23: 18,396,499 km (0.113 R)
• M24: 19,023,613 km (0.105 R)
• M25: 22,110,715 km (0.09 R)
• M26: 26,690,803 km (0.106 R)
• M27: 28,520,535 km (0.103 R)
• M28: 30,977,829 km (0.107 R)
• M29: 31,308,441 km (0.045 R)
• M30: 31,752,896 km (0.11 R)
• M31: 35,822,706 km (0.029 R)
• M32: 36,553,492 km (0.08 R)
• M33: 37,668,295 km (0.105 R)
• M34: 38,424,063 km (0.08 R)
• M35: 42,490,134 km (0.083 R)
• M36: 47,707,359 km (0.058 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: 465 - 11,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit