🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.8

Radius: 9.5

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 6 Hours

Environment

Temp: -138 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,270,035 km

• M1: 118,182 km (0.074 R)
• M2: 430,094 km (0.059 R)
• M3: 747,092 km (0.046 R)
• M4: 1,080,695 km (0.071 R)
• M5: 1,405,622 km (0.09 R)
• M6: 1,740,122 km (0.096 R)
• M7: 2,259,676 km (0.093 R)
• M8: 2,622,451 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.3

Radius: 8.9

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.42 AU - 0.64 AU

Year: 266 Days

Day: 6.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,270,035 km

• M1: 110,702 km (0.059 R)
• M2: 413,937 km (0.114 R)
• M3: 969,843 km (0.103 R)
• M4: 1,328,728 km (0.111 R)
• M5: 1,847,534 km (0.06 R)
• M6: 2,139,998 km (0.113 R)
• M7: 2,873,177 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 11.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.8 AU - 1.24 AU

Year: 711 Days

Day: 10.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,270,035 km

• M1: 143,016 km (0.112 R)
• M2: 689,646 km (0.093 R)
• M3: 1,068,877 km (0.087 R)
• M4: 1,568,833 km (0.079 R)
• M5: 2,105,141 km (0.067 R)
• M6: 2,692,612 km (0.118 R)
• M7: 3,138,713 km (0.055 R)
• M8: 4,290,766 km (0.116 R)
• M9: 4,816,902 km (0.054 R)
• M10: 5,293,969 km (0.117 R)
• M11: 5,725,111 km (0.054 R)
• M12: 6,119,002 km (0.098 R)
• M13: 6,615,517 km (0.09 R)
• M14: 7,071,940 km (0.079 R)
• M15: 7,975,661 km (0.113 R)
• M16: 8,368,056 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.5

Radius: 9.5

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.27 AU - 1.51 AU

Year: 1131 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,270,035 km

• M1: 119,230 km (0.12 R)
• M2: 668,702 km (0.067 R)
• M3: 995,574 km (0.062 R)
• M4: 1,313,320 km (0.118 R)
• M5: 1,950,906 km (0.064 R)
• M6: 2,861,508 km (0.045 R)
• M7: 3,178,356 km (0.09 R)
• M8: 3,549,359 km (0.079 R)
• M9: 4,151,640 km (0.099 R)
• M10: 4,726,246 km (0.093 R)
• M11: 8,178,516 km (0.118 R)
• M12: 8,565,824 km (0.08 R)
• M13: 8,965,251 km (0.081 R)
• M14: 11,018,781 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.7

Radius: 10.9

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.55 AU - 2.29 AU

Year: 1836 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,270,035 km

• M1: 136,284 km (0.035 R)
• M2: 501,302 km (0.11 R)
• M3: 1,143,825 km (0.113 R)
• M4: 1,771,688 km (0.104 R)
• M5: 2,507,260 km (0.068 R)
• M6: 3,156,216 km (0.075 R)
• M7: 3,503,881 km (0.113 R)
• M8: 4,140,719 km (0.062 R)
• M9: 5,364,580 km (0.078 R)
• M10: 6,313,928 km (0.114 R)
• M11: 6,815,380 km (0.112 R)
• M12: 7,173,517 km (0.104 R)
• M13: 8,262,889 km (0.094 R)
• M14: 9,940,629 km (0.077 R)
• M15: 10,438,491 km (0.106 R)
• M16: 14,268,645 km (0.078 R)
• M17: 14,765,310 km (0.036 R)
• M18: 15,888,939 km (0.037 R)
• M19: 16,520,990 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.5

Radius: 13.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.08 AU - 2.32 AU

Year: 2252 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,270,035 km

• M1: 165,455 km (0.112 R)
• M2: 621,430 km (0.117 R)
• M3: 1,036,564 km (0.082 R)
• M4: 2,063,852 km (0.028 R)
• M5: 2,972,659 km (0.114 R)
• M6: 3,580,625 km (0.107 R)
• M7: 4,250,674 km (0.068 R)
• M8: 7,276,141 km (0.042 R)
• M9: 8,167,595 km (0.059 R)
• M10: 10,531,092 km (0.115 R)
• M11: 13,798,459 km (0.078 R)
• M12: 14,653,111 km (0.12 R)
• M13: 16,418,516 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537

Radius: 12.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.3 AU - 3.42 AU

Year: 3339 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 21,270,035 km

• M1: 158,424 km (0.117 R)
• M2: 548,426 km (0.045 R)
• M3: 1,007,542 km (0.042 R)
• M4: 1,427,313 km (0.087 R)
• M5: 1,834,219 km (0.095 R)
• M6: 2,305,902 km (0.12 R)
• M7: 2,700,840 km (0.091 R)
• M8: 3,245,825 km (0.061 R)
• M9: 3,726,184 km (0.084 R)
• M10: 4,169,592 km (0.109 R)
• M11: 5,435,040 km (0.045 R)
• M12: 6,198,289 km (0.117 R)
• M13: 6,823,907 km (0.086 R)
• M14: 7,428,881 km (0.119 R)
• M15: 9,497,670 km (0.087 R)
• M16: 9,908,017 km (0.113 R)
• M17: 10,447,616 km (0.115 R)
• M18: 11,129,034 km (0.106 R)
• M19: 12,098,129 km (0.071 R)
• M20: 13,352,657 km (0.09 R)
• M21: 14,252,189 km (0.091 R)
• M22: 14,642,789 km (0.082 R)
• M23: 16,383,660 km (0.101 R)
• M24: 18,201,423 km (0.073 R)
• M25: 19,846,402 km (0.078 R)
• M26: 20,892,240 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 15,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit