🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 10.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.73 AU - 1.17 AU

Year: 598 Days

Day: 6.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 66.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,056,609 km

• M1: 136,284 km (0.112 R)
• M2: 675,883 km (0.055 R)
• M3: 1,088,923 km (0.087 R)
• M4: 1,641,238 km (0.102 R)
• M5: 2,098,409 km (0.102 R)
• M6: 2,631,127 km (0.098 R)
• M7: 3,292,500 km (0.038 R)
• M8: 3,867,105 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.6

Radius: 10.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.52 AU - 2.32 AU

Year: 1718 Days

Day: 5 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,056,609 km

• M1: 125,662 km (0.086 R)
• M2: 712,684 km (0.081 R)
• M3: 1,163,123 km (0.116 R)
• M4: 2,129,526 km (0.086 R)
• M5: 2,487,214 km (0.103 R)
• M6: 2,816,030 km (0.118 R)
• M7: 4,529,973 km (0.047 R)
• M8: 4,962,909 km (0.1 R)
• M9: 5,775,974 km (0.067 R)
• M10: 7,003,424 km (0.098 R)
• M11: 8,960,912 km (0.061 R)
• M12: 11,117,366 km (0.099 R)
• M13: 11,980,994 km (0.029 R)
• M14: 12,811,412 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.2

Radius: 13.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.1 AU - 2.72 AU

Year: 2416 Days

Day: 9.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,056,609 km

• M1: 165,455 km (0.094 R)
• M2: 635,043 km (0.088 R)
• M3: 1,257,221 km (0.105 R)
• M4: 2,143,588 km (0.1 R)
• M5: 3,532,305 km (0.09 R)
• M6: 5,701,923 km (0.087 R)
• M7: 6,514,688 km (0.088 R)
• M8: 7,504,128 km (0.101 R)
• M9: 8,021,887 km (0.079 R)
• M10: 9,129,509 km (0.071 R)
• M11: 10,558,468 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.9

Radius: 9.2

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.49 AU - 2.81 AU

Year: 2785 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,056,609 km

• M1: 115,340 km (0.117 R)
• M2: 451,486 km (0.09 R)
• M3: 855,101 km (0.109 R)
• M4: 1,739,524 km (0.032 R)
• M5: 2,349,285 km (0.068 R)
• M6: 3,756,702 km (0.075 R)
• M7: 5,007,340 km (0.113 R)
• M8: 5,359,344 km (0.061 R)
• M9: 5,727,803 km (0.087 R)
• M10: 6,749,856 km (0.069 R)
• M11: 7,070,893 km (0.12 R)
• M12: 7,458,351 km (0.114 R)
• M13: 8,006,777 km (0.103 R)
• M14: 8,397,228 km (0.035 R)
• M15: 9,249,038 km (0.078 R)
• M16: 10,651,219 km (0.09 R)
• M17: 11,346,998 km (0.112 R)
• M18: 11,801,776 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.5

Radius: 14.3

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.47 AU - 6.39 AU

Year: 8170 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,056,609 km

• M1: 177,872 km (0.102 R)
• M2: 828,024 km (0.11 R)
• M3: 1,563,447 km (0.07 R)
• M4: 2,481,829 km (0.095 R)
• M5: 3,861,869 km (0.093 R)
• M6: 4,914,140 km (0.067 R)
• M7: 7,912,231 km (0.107 R)
• M8: 12,299,787 km (0.087 R)
• M9: 14,690,062 km (0.117 R)
• M10: 16,813,903 km (0.075 R)
• M11: 17,876,946 km (0.089 R)
• M12: 19,670,474 km (0.108 R)
• M13: 20,372,986 km (0.105 R)
• M14: 26,800,459 km (0.104 R)
• M15: 30,161,623 km (0.082 R)
• M16: 35,029,688 km (0.109 R)
• M17: 35,716,043 km (0.028 R)
• M18: 42,820,745 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.3

Radius: 14.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.33 AU - 6.13 AU

Year: 8856 Days

Day: 15 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,056,609 km

• M1: 181,612 km (0.055 R)
• M2: 1,063,641 km (0.105 R)
• M3: 2,122,794 km (0.112 R)
• M4: 4,427,199 km (0.084 R)
• M5: 5,239,366 km (0.11 R)
• M6: 5,812,625 km (0.116 R)
• M7: 6,824,804 km (0.109 R)
• M8: 7,470,918 km (0.115 R)
• M9: 9,657,739 km (0.109 R)
• M10: 11,756,747 km (0.04 R)
• M11: 12,519,696 km (0.077 R)
• M12: 14,695,896 km (0.027 R)
• M13: 18,309,583 km (0.085 R)
• M14: 20,014,998 km (0.034 R)
• M15: 24,871,244 km (0.081 R)
• M16: 25,947,152 km (0.075 R)
• M17: 28,870,295 km (0.059 R)
• M18: 40,033,138 km (0.092 R)
• M19: 41,885,309 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.1

Radius: 10.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.49 AU - 6.43 AU

Year: 9395 Days

Day: 9.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,056,609 km

• M1: 142,417 km (0.109 R)
• M2: 837,598 km (0.084 R)
• M3: 1,176,587 km (0.073 R)
• M4: 4,521,147 km (0.062 R)
• M5: 5,548,585 km (0.038 R)
• M6: 6,344,446 km (0.088 R)
• M7: 11,123,649 km (0.11 R)
• M8: 11,592,189 km (0.11 R)
• M9: 21,061,136 km (0.094 R)
• M10: 21,450,689 km (0.118 R)
• M11: 22,177,286 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.2

Radius: 6.4

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.49 AU - 11.41 AU

Year: 21812 Days

Day: 15.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,056,609 km

• M1: 151,094 km (0.07 R)
• M2: 395,537 km (0.041 R)
• M3: 1,326,933 km (0.094 R)
• M4: 1,918,742 km (0.073 R)
• M5: 2,196,097 km (0.028 R)
• M6: 5,729,150 km (0.078 R)
• M7: 7,487,074 km (0.118 R)
• M8: 9,895,899 km (0.11 R)
• M9: 10,277,523 km (0.09 R)
• M10: 10,500,125 km (0.11 R)
• M11: 14,722,375 km (0.081 R)
• M12: 15,076,623 km (0.041 R)
• M13: 16,248,573 km (0.11 R)
• M14: 20,213,963 km (0.076 R)
• M15: 33,635,286 km (0.104 R)
• M16: 35,755,387 km (0.066 R)
• M17: 52,318,564 km (0.076 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 14,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit