🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 12.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.65 AU - 0.83 AU

Year: 447 Days

Day: 8.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,174,926 km

• M1: 155,432 km (0.111 R)
• M2: 644,617 km (0.068 R)
• M3: 1,084,285 km (0.085 R)
• M4: 1,475,185 km (0.116 R)
• M5: 2,231,851 km (0.111 R)
• M6: 2,864,500 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.3

Radius: 9.6

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.63 AU - 0.91 AU

Year: 475 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,174,926 km

• M1: 119,379 km (0.117 R)
• M2: 568,023 km (0.066 R)
• M3: 901,926 km (0.05 R)
• M4: 1,230,592 km (0.108 R)
• M5: 1,541,905 km (0.105 R)
• M6: 1,963,322 km (0.048 R)
• M7: 2,338,065 km (0.099 R)
• M8: 2,749,908 km (0.109 R)
• M9: 3,073,488 km (0.083 R)
• M10: 3,532,305 km (0.066 R)
• M11: 3,902,709 km (0.086 R)
• M12: 4,456,221 km (0.043 R)
• M13: 5,823,696 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748

Radius: 14.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.51 AU - 2.59 AU

Year: 2862 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,174,926 km

• M1: 181,612 km (0.098 R)
• M2: 952,490 km (0.069 R)
• M3: 1,452,147 km (0.03 R)
• M4: 2,197,144 km (0.081 R)
• M5: 3,292,649 km (0.046 R)
• M6: 3,914,527 km (0.056 R)
• M7: 5,395,995 km (0.099 R)
• M8: 6,019,070 km (0.066 R)
• M9: 6,689,867 km (0.12 R)
• M10: 7,441,297 km (0.067 R)
• M11: 8,315,398 km (0.099 R)
• M12: 8,830,164 km (0.08 R)
• M13: 9,623,481 km (0.077 R)
• M14: 10,701,633 km (0.1 R)
• M15: 12,512,216 km (0.086 R)
• M16: 16,041,828 km (0.09 R)
• M17: 18,291,332 km (0.09 R)
• M18: 18,812,082 km (0.04 R)
• M19: 19,822,615 km (0.083 R)
• M20: 21,057,546 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.8

Radius: 11.9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.21 AU - 3.07 AU

Year: 3015 Days

Day: 11.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,174,926 km

• M1: 147,952 km (0.109 R)
• M2: 833,859 km (0.118 R)
• M3: 2,797,929 km (0.103 R)
• M4: 4,217,314 km (0.116 R)
• M5: 4,613,299 km (0.081 R)
• M6: 5,546,640 km (0.097 R)
• M7: 7,565,613 km (0.058 R)
• M8: 8,561,636 km (0.078 R)
• M9: 9,199,970 km (0.075 R)
• M10: 9,772,182 km (0.083 R)
• M11: 10,166,671 km (0.101 R)
• M12: 10,743,969 km (0.056 R)
• M13: 12,150,937 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.5

Radius: 14.4

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.72 AU - 3.32 AU

Year: 3689 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,174,926 km

• M1: 179,218 km (0.094 R)
• M2: 648,208 km (0.069 R)
• M3: 1,157,439 km (0.082 R)
• M4: 1,780,663 km (0.088 R)
• M5: 2,856,721 km (0.081 R)
• M6: 3,953,872 km (0.062 R)
• M7: 4,516,958 km (0.039 R)
• M8: 5,694,293 km (0.113 R)
• M9: 7,593,887 km (0.057 R)
• M10: 9,765,450 km (0.093 R)
• M11: 12,045,471 km (0.103 R)
• M12: 12,798,547 km (0.105 R)
• M13: 14,192,200 km (0.078 R)
• M14: 14,819,614 km (0.11 R)
• M15: 18,668,917 km (0.097 R)
• M16: 19,936,459 km (0.066 R)
• M17: 21,944,212 km (0.051 R)
• M18: 24,010,009 km (0.087 R)
• M19: 25,508,382 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.5

Radius: 10.1

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.68 AU - 4.2 AU

Year: 5497 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,174,926 km

• M1: 126,261 km (0.085 R)
• M2: 508,334 km (0.097 R)
• M3: 1,417,141 km (0.108 R)
• M4: 1,740,870 km (0.11 R)
• M5: 2,099,157 km (0.118 R)
• M6: 2,721,036 km (0.114 R)
• M7: 3,249,116 km (0.1 R)
• M8: 4,305,576 km (0.085 R)
• M9: 5,852,568 km (0.091 R)
• M10: 6,398,151 km (0.077 R)
• M11: 7,118,615 km (0.116 R)
• M12: 8,240,449 km (0.117 R)
• M13: 8,802,788 km (0.103 R)
• M14: 11,069,644 km (0.093 R)
• M15: 12,728,834 km (0.041 R)
• M16: 13,425,811 km (0.066 R)
• M17: 13,923,223 km (0.118 R)
• M18: 14,663,284 km (0.114 R)
• M19: 15,250,157 km (0.075 R)
• M20: 15,609,790 km (0.108 R)
• M21: 21,707,399 km (0.059 R)
• M22: 24,454,465 km (0.118 R)
• M23: 28,316,334 km (0.117 R)
• M24: 28,769,017 km (0.114 R)
• M25: 31,490,801 km (0.056 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 18,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit