🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.5

Radius: 8

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.69 AU - 0.85 AU

Year: 443 Days

Day: 14.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,012,775 km

• M1: 99,483 km (0.093 R)
• M2: 386,710 km (0.102 R)
• M3: 1,399,638 km (0.034 R)
• M4: 1,665,174 km (0.071 R)
• M5: 1,973,196 km (0.079 R)
• M6: 2,486,765 km (0.058 R)
• M7: 2,902,797 km (0.057 R)
• M8: 3,580,775 km (0.069 R)
• M9: 4,404,760 km (0.101 R)
• M10: 4,966,350 km (0.07 R)
• M11: 5,557,112 km (0.078 R)
• M12: 5,933,650 km (0.118 R)
• M13: 6,193,950 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.8

Radius: 13.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.42 AU - 1.5 AU

Year: 1157 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 121.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,012,775 km

• M1: 169,195 km (0.075 R)
• M2: 727,494 km (0.043 R)
• M3: 1,200,822 km (0.105 R)
• M4: 1,625,979 km (0.104 R)
• M5: 2,058,616 km (0.116 R)
• M6: 2,784,016 km (0.038 R)
• M7: 3,353,535 km (0.07 R)
• M8: 4,309,765 km (0.082 R)
• M9: 5,629,218 km (0.115 R)
• M10: 7,202,838 km (0.096 R)
• M11: 7,983,590 km (0.078 R)
• M12: 9,200,568 km (0.117 R)
• M13: 11,304,064 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 10.2

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.31 AU - 3.67 AU

Year: 3392 Days

Day: 12.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,012,775 km

• M1: 127,009 km (0.077 R)
• M2: 448,644 km (0.084 R)
• M3: 862,581 km (0.101 R)
• M4: 1,476,232 km (0.035 R)
• M5: 1,881,792 km (0.057 R)
• M6: 2,758,734 km (0.118 R)
• M7: 5,144,072 km (0.051 R)
• M8: 7,058,028 km (0.12 R)
• M9: 7,741,241 km (0.041 R)
• M10: 8,783,639 km (0.109 R)
• M11: 10,921,991 km (0.04 R)
• M12: 11,487,321 km (0.063 R)
• M13: 12,032,606 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.3

Radius: 11.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.6 AU - 4.3 AU

Year: 4204 Days

Day: 12.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,012,775 km

• M1: 144,512 km (0.117 R)
• M2: 649,255 km (0.117 R)
• M3: 1,464,414 km (0.092 R)
• M4: 2,993,453 km (0.102 R)
• M5: 3,509,416 km (0.11 R)
• M6: 6,193,053 km (0.077 R)
• M7: 7,353,184 km (0.03 R)
• M8: 8,834,801 km (0.088 R)
• M9: 9,510,834 km (0.085 R)
• M10: 10,060,158 km (0.086 R)
• M11: 11,265,617 km (0.095 R)
• M12: 12,106,058 km (0.103 R)
• M13: 13,083,082 km (0.078 R)
• M14: 13,615,501 km (0.027 R)
• M15: 14,879,303 km (0.092 R)
• M16: 15,674,267 km (0.103 R)
• M17: 16,834,548 km (0.076 R)
• M18: 22,876,955 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 13.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.85 AU - 4.43 AU

Year: 4556 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,012,775 km

• M1: 170,691 km (0.085 R)
• M2: 910,752 km (0.106 R)
• M3: 1,771,837 km (0.118 R)
• M4: 2,302,760 km (0.1 R)
• M5: 2,831,439 km (0.113 R)
• M6: 3,713,169 km (0.115 R)
• M7: 6,232,397 km (0.105 R)
• M8: 8,802,638 km (0.106 R)
• M9: 9,853,862 km (0.12 R)
• M10: 15,472,908 km (0.118 R)
• M11: 20,428,786 km (0.075 R)
• M12: 22,854,815 km (0.048 R)
• M13: 25,947,900 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.9

Radius: 13.3

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.76 AU - 4 AU

Year: 5014 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,012,775 km

• M1: 165,455 km (0.106 R)
• M2: 620,682 km (0.031 R)
• M3: 1,098,348 km (0.112 R)
• M4: 1,701,825 km (0.098 R)
• M5: 2,237,535 km (0.041 R)
• M6: 2,673,314 km (0.081 R)
• M7: 3,466,183 km (0.109 R)
• M8: 4,009,223 km (0.101 R)
• M9: 4,608,811 km (0.074 R)
• M10: 6,019,070 km (0.101 R)
• M11: 6,516,034 km (0.059 R)
• M12: 7,916,420 km (0.088 R)
• M13: 8,476,066 km (0.082 R)
• M14: 9,222,858 km (0.085 R)
• M15: 9,674,943 km (0.033 R)
• M16: 10,983,775 km (0.097 R)
• M17: 13,010,377 km (0.118 R)
• M18: 15,275,588 km (0.118 R)
• M19: 18,689,711 km (0.074 R)
• M20: 19,616,918 km (0.105 R)
• M21: 23,104,793 km (0.114 R)
• M22: 24,876,480 km (0.099 R)
• M23: 29,213,323 km (0.098 R)
• M24: 29,833,256 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.3

Radius: 8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.9 AU - 8.9 AU

Year: 15971 Days

Day: 20.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,012,775 km

• M1: 100,679 km (0.061 R)
• M2: 473,776 km (0.113 R)
• M3: 830,418 km (0.109 R)
• M4: 1,250,189 km (0.119 R)
• M5: 1,869,674 km (0.117 R)
• M6: 2,637,710 km (0.027 R)
• M7: 3,162,948 km (0.072 R)
• M8: 4,024,033 km (0.118 R)
• M9: 4,391,745 km (0.109 R)
• M10: 4,689,744 km (0.099 R)
• M11: 5,770,289 km (0.113 R)
• M12: 9,256,518 km (0.119 R)
• M13: 9,598,648 km (0.079 R)
• M14: 11,549,404 km (0.041 R)
• M15: 15,936,811 km (0.103 R)
• M16: 22,616,206 km (0.095 R)
• M17: 24,144,797 km (0.094 R)
• M18: 26,320,848 km (0.065 R)
• M19: 29,038,293 km (0.119 R)
• M20: 30,090,415 km (0.083 R)
• M21: 32,048,202 km (0.104 R)
• M22: 48,476,741 km (0.094 R)
• M23: 49,509,116 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496

Radius: 5.8

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 8.38 AU - 13.62 AU

Year: 23933 Days

Day: 18.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,012,775 km

• M1: 72,106 km (0.12 R)
• M2: 326,572 km (0.112 R)
• M3: 633,846 km (0.1 R)
• M4: 1,176,138 km (0.036 R)
• M5: 1,654,852 km (0.096 R)
• M6: 4,886,315 km (0.077 R)
• M7: 6,537,277 km (0.066 R)
• M8: 9,805,542 km (0.082 R)
• M9: 10,398,997 km (0.098 R)
• M10: 10,828,343 km (0.106 R)
• M11: 11,397,563 km (0.118 R)
• M12: 12,527,176 km (0.083 R)
• M13: 12,733,920 km (0.093 R)
• M14: 15,161,894 km (0.12 R)
• M15: 16,279,240 km (0.097 R)
• M16: 16,608,356 km (0.106 R)
• M17: 19,679,749 km (0.101 R)
• M18: 22,393,904 km (0.039 R)
• M19: 23,420,893 km (0.103 R)
• M20: 24,802,280 km (0.092 R)
• M21: 25,678,923 km (0.086 R)
• M22: 28,314,090 km (0.119 R)
• M23: 30,126,468 km (0.042 R)
• M24: 30,622,535 km (0.113 R)
• M25: 41,570,256 km (0.118 R)
• M26: 45,675,222 km (0.088 R)
• M27: 48,670,022 km (0.037 R)
• M28: 50,042,133 km (0.084 R)
• M29: 51,970,599 km (0.049 R)
• M30: 53,223,332 km (0.048 R)
• M31: 59,789,781 km (0.098 R)
• M32: 67,931,795 km (0.062 R)
• M33: 68,784,503 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 11,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit