🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.6

Radius: 14

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.78 AU - 0.96 AU

Year: 550 Days

Day: 12.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,408,870 km

• M1: 174,132 km (0.085 R)
• M2: 685,906 km (0.087 R)
• M3: 1,127,968 km (0.119 R)
• M4: 1,740,272 km (0.094 R)
• M5: 2,354,970 km (0.117 R)
• M6: 2,953,361 km (0.037 R)
• M7: 3,665,297 km (0.041 R)
• M8: 4,625,716 km (0.077 R)
• M9: 5,099,941 km (0.102 R)
• M10: 5,765,352 km (0.033 R)
• M11: 6,203,225 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 8.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.76 AU - 1.06 AU

Year: 589 Days

Day: 6.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,408,870 km

• M1: 120,725 km (0.076 R)
• M2: 412,142 km (0.108 R)
• M3: 906,264 km (0.057 R)
• M4: 1,199,476 km (0.05 R)
• M5: 1,649,765 km (0.111 R)
• M6: 2,239,031 km (0.107 R)
• M7: 3,344,260 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 11.9

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.8 AU - 1.2 AU

Year: 678 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,408,870 km

• M1: 147,952 km (0.111 R)
• M2: 531,970 km (0.097 R)
• M3: 908,358 km (0.082 R)
• M4: 1,597,107 km (0.062 R)
• M5: 2,117,408 km (0.109 R)
• M6: 3,065,859 km (0.086 R)
• M7: 3,630,142 km (0.104 R)
• M8: 4,074,747 km (0.077 R)
• M9: 5,128,514 km (0.056 R)
• M10: 6,251,545 km (0.103 R)
• M11: 6,982,481 km (0.101 R)
• M12: 7,602,713 km (0.099 R)
• M13: 8,209,482 km (0.069 R)
• M14: 8,927,103 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.7

Radius: 11.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.29 AU - 1.35 AU

Year: 1029 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,408,870 km

• M1: 147,952 km (0.081 R)
• M2: 549,922 km (0.086 R)
• M3: 1,217,727 km (0.077 R)
• M4: 1,772,436 km (0.058 R)
• M5: 2,392,070 km (0.1 R)
• M6: 2,808,251 km (0.071 R)
• M7: 3,501,039 km (0.092 R)
• M8: 3,888,497 km (0.069 R)
• M9: 4,399,673 km (0.117 R)
• M10: 4,881,678 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604

Radius: 9.2

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.8 AU - 2.1 AU

Year: 1847 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,408,870 km

• M1: 121,773 km (0.097 R)
• M2: 608,265 km (0.098 R)
• M3: 945,459 km (0.088 R)
• M4: 1,391,709 km (0.112 R)
• M5: 1,897,649 km (0.083 R)
• M6: 2,341,655 km (0.058 R)
• M7: 3,309,554 km (0.074 R)
• M8: 3,639,866 km (0.101 R)
• M9: 4,176,773 km (0.104 R)
• M10: 4,603,276 km (0.098 R)
• M11: 5,253,578 km (0.1 R)
• M12: 5,635,501 km (0.101 R)
• M13: 6,084,295 km (0.064 R)
• M14: 7,134,023 km (0.085 R)
• M15: 9,855,059 km (0.117 R)
• M16: 10,229,203 km (0.111 R)
• M17: 10,577,617 km (0.099 R)
• M18: 11,078,620 km (0.096 R)
• M19: 13,407,111 km (0.057 R)
• M20: 13,782,452 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.9

Radius: 12.5

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.47 AU - 2.81 AU

Year: 2909 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,408,870 km

• M1: 155,432 km (0.047 R)
• M2: 978,520 km (0.1 R)
• M3: 2,146,281 km (0.107 R)
• M4: 2,667,031 km (0.063 R)
• M5: 3,455,112 km (0.112 R)
• M6: 4,348,810 km (0.059 R)
• M7: 5,675,893 km (0.106 R)
• M8: 6,248,553 km (0.096 R)
• M9: 7,670,481 km (0.067 R)
• M10: 8,684,605 km (0.101 R)
• M11: 10,252,241 km (0.089 R)
• M12: 10,978,988 km (0.098 R)
• M13: 11,524,870 km (0.115 R)
• M14: 12,266,128 km (0.069 R)
• M15: 13,178,675 km (0.057 R)
• M16: 15,605,451 km (0.108 R)
• M17: 16,841,579 km (0.116 R)
• M18: 17,796,462 km (0.091 R)
• M19: 22,444,917 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 14.3

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.13 AU - 4.41 AU

Year: 5985 Days

Day: 8.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,408,870 km

• M1: 181,313 km (0.055 R)
• M2: 1,051,673 km (0.12 R)
• M3: 1,734,139 km (0.112 R)
• M4: 3,019,334 km (0.077 R)
• M5: 3,510,164 km (0.104 R)
• M6: 5,115,948 km (0.047 R)
• M7: 5,942,327 km (0.051 R)
• M8: 7,824,118 km (0.086 R)
• M9: 10,666,627 km (0.12 R)
• M10: 12,218,107 km (0.061 R)
• M11: 14,591,028 km (0.114 R)
• M12: 15,765,521 km (0.111 R)
• M13: 17,905,519 km (0.082 R)
• M14: 20,736,060 km (0.101 R)
• M15: 22,832,824 km (0.12 R)
• M16: 26,153,149 km (0.105 R)
• M17: 27,707,770 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.7

Radius: 9.2

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.34 AU - 5.88 AU

Year: 9012 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,408,870 km

• M1: 114,592 km (0.113 R)
• M2: 765,792 km (0.071 R)
• M3: 1,228,647 km (0.089 R)
• M4: 1,677,441 km (0.102 R)
• M5: 3,785,574 km (0.115 R)
• M6: 4,150,743 km (0.106 R)
• M7: 4,510,825 km (0.086 R)
• M8: 6,450,959 km (0.118 R)
• M9: 7,363,955 km (0.093 R)
• M10: 9,304,389 km (0.108 R)
• M11: 10,168,466 km (0.12 R)
• M12: 11,137,412 km (0.119 R)
• M13: 11,455,906 km (0.043 R)
• M14: 12,561,733 km (0.08 R)
• M15: 15,048,499 km (0.112 R)
• M16: 15,569,398 km (0.111 R)
• M17: 16,994,019 km (0.112 R)
• M18: 17,630,558 km (0.103 R)
• M19: 21,870,461 km (0.094 R)
• M20: 24,536,893 km (0.088 R)
• M21: 25,441,362 km (0.108 R)
• M22: 27,029,792 km (0.056 R)
• M23: 27,896,861 km (0.086 R)
• M24: 29,081,676 km (0.092 R)
• M25: 31,340,604 km (0.085 R)
• M26: 31,657,453 km (0.105 R)
• M27: 34,831,471 km (0.116 R)
• M28: 35,628,229 km (0.091 R)
• M29: 36,204,629 km (0.097 R)
• M30: 41,042,924 km (0.043 R)
• M31: 42,445,404 km (0.115 R)
• M32: 44,276,183 km (0.069 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 12,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit