🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.9

Radius: 10.7

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.92 AU - 1.02 AU

Year: 672 Days

Day: 5 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,782,031 km

• M1: 133,142 km (0.081 R)
• M2: 683,363 km (0.106 R)
• M3: 1,404,874 km (0.063 R)
• M4: 1,759,570 km (0.083 R)
• M5: 2,557,974 km (0.117 R)
• M6: 2,892,325 km (0.096 R)
• M7: 3,281,280 km (0.045 R)
• M8: 3,746,828 km (0.119 R)
• M9: 4,225,841 km (0.087 R)
• M10: 5,799,311 km (0.09 R)
• M11: 6,262,167 km (0.117 R)
• M12: 6,645,885 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.9

Radius: 11.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.99 AU - 1.03 AU

Year: 713 Days

Day: 11.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,782,031 km

• M1: 144,362 km (0.096 R)
• M2: 512,074 km (0.106 R)
• M3: 894,296 km (0.118 R)
• M4: 1,420,581 km (0.086 R)
• M5: 2,054,727 km (0.118 R)
• M6: 2,544,361 km (0.056 R)
• M7: 2,976,998 km (0.12 R)
• M8: 3,832,398 km (0.111 R)
• M9: 4,263,839 km (0.096 R)
• M10: 4,694,531 km (0.109 R)
• M11: 5,332,267 km (0.083 R)
• M12: 5,719,426 km (0.081 R)
• M13: 6,759,729 km (0.098 R)
• M14: 7,147,936 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 9.3

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.83 AU - 1.23 AU

Year: 735 Days

Day: 13.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,782,031 km

• M1: 115,639 km (0.058 R)
• M2: 418,276 km (0.079 R)
• M3: 831,465 km (0.063 R)
• M4: 1,124,976 km (0.106 R)
• M5: 1,610,122 km (0.111 R)
• M6: 2,504,717 km (0.117 R)
• M7: 4,360,928 km (0.099 R)
• M8: 4,679,272 km (0.064 R)
• M9: 5,013,025 km (0.073 R)
• M10: 5,822,648 km (0.057 R)
• M11: 6,348,934 km (0.094 R)
• M12: 7,473,910 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 10.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.97 AU - 1.43 AU

Year: 924 Days

Day: 8.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,782,031 km

• M1: 134,339 km (0.112 R)
• M2: 503,995 km (0.116 R)
• M3: 975,827 km (0.1 R)
• M4: 1,470,547 km (0.041 R)
• M5: 1,960,630 km (0.075 R)
• M6: 2,415,258 km (0.087 R)
• M7: 4,030,017 km (0.113 R)
• M8: 4,442,907 km (0.105 R)
• M9: 5,336,754 km (0.085 R)
• M10: 6,116,010 km (0.086 R)
• M11: 6,683,135 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.6

Radius: 9.3

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.68 AU - 1.72 AU

Year: 1558 Days

Day: 8.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,782,031 km

• M1: 115,639 km (0.092 R)
• M2: 440,416 km (0.104 R)
• M3: 795,711 km (0.035 R)
• M4: 3,456,908 km (0.029 R)
• M5: 3,860,074 km (0.111 R)
• M6: 5,219,919 km (0.114 R)
• M7: 6,605,195 km (0.106 R)
• M8: 7,971,472 km (0.075 R)
• M9: 9,211,190 km (0.077 R)
• M10: 10,279,019 km (0.049 R)
• M11: 11,149,679 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.1

Radius: 8.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.43 AU - 2.25 AU

Year: 1754 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,782,031 km

• M1: 100,679 km (0.08 R)
• M2: 366,515 km (0.091 R)
• M3: 618,886 km (0.101 R)
• M4: 982,260 km (0.067 R)
• M5: 1,362,687 km (0.044 R)
• M6: 1,743,414 km (0.106 R)
• M7: 2,000,872 km (0.119 R)
• M8: 2,917,757 km (0.112 R)
• M9: 3,939,062 km (0.102 R)
• M10: 4,280,444 km (0.119 R)
• M11: 4,887,213 km (0.095 R)
• M12: 6,501,823 km (0.103 R)
• M13: 6,858,314 km (0.042 R)
• M14: 7,152,723 km (0.084 R)
• M15: 7,636,223 km (0.064 R)
• M16: 7,926,144 km (0.112 R)
• M17: 8,305,524 km (0.044 R)
• M18: 8,868,611 km (0.117 R)
• M19: 9,977,131 km (0.098 R)
• M20: 10,645,983 km (0.098 R)
• M21: 11,276,538 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 10.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.78 AU - 3.6 AU

Year: 4005 Days

Day: 14.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,782,031 km

• M1: 134,339 km (0.081 R)
• M2: 481,705 km (0.108 R)
• M3: 1,297,762 km (0.061 R)
• M4: 2,165,280 km (0.089 R)
• M5: 2,711,611 km (0.072 R)
• M6: 3,312,845 km (0.061 R)
• M7: 4,244,092 km (0.058 R)
• M8: 5,103,232 km (0.105 R)
• M9: 10,285,302 km (0.075 R)
• M10: 10,628,779 km (0.045 R)
• M11: 11,541,476 km (0.115 R)
• M12: 13,296,857 km (0.113 R)
• M13: 13,704,811 km (0.092 R)
• M14: 15,570,296 km (0.075 R)
• M15: 16,074,740 km (0.058 R)
• M16: 17,653,596 km (0.113 R)
• M17: 18,036,417 km (0.052 R)
• M18: 19,160,794 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.3

Radius: 13.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.68 AU - 5.24 AU

Year: 7765 Days

Day: 9.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,782,031 km

• M1: 167,998 km (0.081 R)
• M2: 720,613 km (0.117 R)
• M3: 1,200,673 km (0.08 R)
• M4: 2,023,311 km (0.104 R)
• M5: 2,794,339 km (0.081 R)
• M6: 3,913,032 km (0.117 R)
• M7: 4,397,429 km (0.06 R)
• M8: 6,461,581 km (0.101 R)
• M9: 7,358,270 km (0.115 R)
• M10: 8,680,865 km (0.077 R)
• M11: 11,243,028 km (0.098 R)
• M12: 15,121,951 km (0.086 R)
• M13: 18,212,793 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.6

Radius: 7.4

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.24 AU - 8.28 AU

Year: 16687 Days

Day: 15.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,782,031 km

• M1: 92,003 km (0.06 R)
• M2: 410,497 km (0.043 R)
• M3: 866,920 km (0.053 R)
• M4: 1,989,352 km (0.104 R)
• M5: 5,155,891 km (0.112 R)
• M6: 5,780,462 km (0.079 R)
• M7: 6,413,410 km (0.048 R)
• M8: 8,101,173 km (0.038 R)
• M9: 9,790,283 km (0.093 R)
• M10: 23,080,558 km (0.069 R)
• M11: 24,868,552 km (0.093 R)
• M12: 27,176,847 km (0.046 R)
• M13: 33,316,493 km (0.06 R)
• M14: 44,539,026 km (0.118 R)
• M15: 45,294,944 km (0.106 R)
• M16: 46,522,095 km (0.08 R)
• M17: 51,818,907 km (0.109 R)
• M18: 57,325,904 km (0.099 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: 505 - 15,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit