🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.8

Radius: 14.6

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.6 AU - 0.68 AU

Year: 353 Days

Day: 6.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,016,756 km

• M1: 183,557 km (0.099 R)
• M2: 484,996 km (0.044 R)
• M3: 870,061 km (0.043 R)
• M4: 1,167,462 km (0.053 R)
• M5: 1,528,890 km (0.058 R)
• M6: 1,921,734 km (0.07 R)
• M7: 2,667,928 km (0.073 R)
• M8: 3,350,394 km (0.079 R)
• M9: 3,785,275 km (0.102 R)
• M10: 4,125,012 km (0.084 R)
• M11: 4,421,365 km (0.055 R)
• M12: 4,698,420 km (0.118 R)
• M13: 5,236,075 km (0.108 R)
• M14: 5,592,866 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 9.7

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.55 AU - 0.75 AU

Year: 362 Days

Day: 11.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,016,756 km

• M1: 122,521 km (0.102 R)
• M2: 303,983 km (0.09 R)
• M3: 668,104 km (0.051 R)
• M4: 858,243 km (0.097 R)
• M5: 1,133,353 km (0.105 R)
• M6: 1,370,915 km (0.062 R)
• M7: 1,656,946 km (0.088 R)
• M8: 1,914,703 km (0.084 R)
• M9: 2,289,296 km (0.107 R)
• M10: 2,699,494 km (0.11 R)
• M11: 2,925,835 km (0.098 R)
• M12: 3,169,979 km (0.09 R)
• M13: 3,389,738 km (0.054 R)
• M14: 3,662,006 km (0.118 R)
• M15: 4,258,154 km (0.084 R)
• M16: 4,973,830 km (0.11 R)
• M17: 5,261,058 km (0.04 R)
• M18: 5,623,234 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.8

Radius: 12.2

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.89 AU - 0.97 AU

Year: 619 Days

Day: 9.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,016,756 km

• M1: 151,842 km (0.065 R)
• M2: 429,645 km (0.034 R)
• M3: 713,731 km (0.108 R)
• M4: 948,600 km (0.084 R)
• M5: 1,180,926 km (0.115 R)
• M6: 1,419,085 km (0.053 R)
• M7: 1,748,201 km (0.079 R)
• M8: 1,990,998 km (0.058 R)
• M9: 2,281,966 km (0.073 R)
• M10: 2,796,882 km (0.108 R)
• M11: 3,282,626 km (0.12 R)
• M12: 3,648,991 km (0.075 R)
• M13: 3,921,559 km (0.118 R)
• M14: 4,846,672 km (0.079 R)
• M15: 5,341,093 km (0.109 R)
• M16: 6,155,204 km (0.058 R)
• M17: 6,986,969 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.3

Radius: 11.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.99 AU - 1.39 AU

Year: 896 Days

Day: 5.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,016,756 km

• M1: 172,486 km (0.098 R)
• M2: 414,685 km (0.099 R)
• M3: 943,663 km (0.091 R)
• M4: 1,277,416 km (0.086 R)
• M5: 1,620,444 km (0.103 R)
• M6: 2,537,329 km (0.07 R)
• M7: 3,025,617 km (0.098 R)
• M8: 3,494,008 km (0.081 R)
• M9: 4,129,051 km (0.072 R)
• M10: 4,380,375 km (0.118 R)
• M11: 4,983,404 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.1

Radius: 13.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.04 AU - 1.38 AU

Year: 919 Days

Day: 13 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,016,756 km

• M1: 171,589 km (0.103 R)
• M2: 575,802 km (0.103 R)
• M3: 988,244 km (0.044 R)
• M4: 1,358,947 km (0.116 R)
• M5: 1,632,412 km (0.083 R)
• M6: 2,144,037 km (0.09 R)
• M7: 2,756,191 km (0.067 R)
• M8: 4,338,787 km (0.093 R)
• M9: 4,616,441 km (0.117 R)
• M10: 5,087,973 km (0.09 R)
• M11: 5,863,638 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.9

Radius: 12

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.05 AU - 2.59 AU

Year: 2439 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,016,756 km

• M1: 158,275 km (0.08 R)
• M2: 870,660 km (0.118 R)
• M3: 1,109,119 km (0.063 R)
• M4: 1,535,173 km (0.095 R)
• M5: 2,414,659 km (0.112 R)
• M6: 2,837,124 km (0.05 R)
• M7: 3,075,283 km (0.081 R)
• M8: 3,626,103 km (0.112 R)
• M9: 4,160,915 km (0.094 R)
• M10: 6,071,130 km (0.109 R)
• M11: 7,281,078 km (0.107 R)
• M12: 7,928,089 km (0.09 R)
• M13: 8,397,676 km (0.111 R)
• M14: 9,211,040 km (0.118 R)
• M15: 9,790,881 km (0.1 R)
• M16: 11,187,378 km (0.101 R)
• M17: 11,584,710 km (0.115 R)
• M18: 11,880,464 km (0.066 R)
• M19: 15,383,448 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 13.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.18 AU - 3.62 AU

Year: 3409 Days

Day: 14.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 37,016,756 km

• M1: 235,467 km (0.12 R)
• M2: 619,934 km (0.103 R)
• M3: 1,354,758 km (0.05 R)
• M4: 1,801,009 km (0.086 R)
• M5: 2,486,167 km (0.104 R)
• M6: 4,278,649 km (0.083 R)
• M7: 4,768,133 km (0.096 R)
• M8: 5,685,018 km (0.089 R)
• M9: 6,199,785 km (0.075 R)
• M10: 6,659,349 km (0.087 R)
• M11: 7,189,674 km (0.077 R)
• M12: 7,517,891 km (0.071 R)
• M13: 8,053,003 km (0.086 R)
• M14: 8,547,723 km (0.09 R)
• M15: 9,582,192 km (0.101 R)
• M16: 10,348,732 km (0.064 R)
• M17: 10,610,827 km (0.085 R)
• M18: 10,876,364 km (0.101 R)
• M19: 11,417,309 km (0.088 R)
• M20: 13,564,937 km (0.103 R)
• M21: 13,979,023 km (0.106 R)
• M22: 15,140,352 km (0.099 R)
• M23: 17,518,509 km (0.087 R)
• M24: 17,860,191 km (0.115 R)
• M25: 18,905,581 km (0.115 R)
• M26: 19,394,766 km (0.1 R)
• M27: 20,391,835 km (0.119 R)
• M28: 20,853,494 km (0.114 R)
• M29: 21,792,371 km (0.098 R)
• M30: 22,125,824 km (0.07 R)
• M31: 22,606,781 km (0.049 R)
• M32: 23,190,662 km (0.056 R)
• M33: 24,230,666 km (0.11 R)
• M34: 24,885,905 km (0.053 R)
• M35: 26,014,920 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430

Radius: 10.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.33 AU - 6.39 AU

Year: 8566 Days

Day: 15 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,016,756 km

• M1: 276,158 km (0.084 R)
• M2: 964,158 km (0.108 R)
• M3: 5,102,035 km (0.035 R)
• M4: 6,243,916 km (0.034 R)
• M5: 7,242,332 km (0.064 R)
• M6: 8,845,872 km (0.094 R)
• M7: 9,689,903 km (0.08 R)
• M8: 10,691,012 km (0.102 R)
• M9: 11,049,149 km (0.048 R)
• M10: 11,331,889 km (0.106 R)
• M11: 12,929,594 km (0.109 R)
• M12: 16,006,224 km (0.063 R)
• M13: 17,745,000 km (0.04 R)
• M14: 20,880,721 km (0.103 R)
• M15: 22,688,761 km (0.077 R)
• M16: 30,075,455 km (0.098 R)
• M17: 34,622,632 km (0.103 R)
• M18: 35,556,272 km (0.11 R)
• M19: 36,429,026 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 18,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit