🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.6

Radius: 12.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.54 AU - 0.66 AU

Year: 310 Days

Day: 8.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,754,859 km

• M1: 152,141 km (0.099 R)
• M2: 583,282 km (0.058 R)
• M3: 989,590 km (0.094 R)
• M4: 1,593,517 km (0.094 R)
• M5: 2,169,768 km (0.105 R)
• M6: 2,608,837 km (0.072 R)
• M7: 3,385,250 km (0.069 R)
• M8: 3,833,894 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.1

Radius: 11.6

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.78 AU - 1.2 AU

Year: 657 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 125.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,754,859 km

• M1: 144,212 km (0.08 R)
• M2: 529,128 km (0.09 R)
• M3: 1,393,205 km (0.113 R)
• M4: 1,945,520 km (0.076 R)
• M5: 2,378,905 km (0.065 R)
• M6: 2,921,497 km (0.032 R)
• M7: 3,418,910 km (0.12 R)
• M8: 4,112,894 km (0.094 R)
• M9: 4,631,101 km (0.12 R)
• M10: 6,185,573 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.9

Radius: 12.9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.34 AU - 1.38 AU

Year: 1058 Days

Day: 6.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,754,859 km

• M1: 160,369 km (0.081 R)
• M2: 698,622 km (0.12 R)
• M3: 1,178,831 km (0.034 R)
• M4: 1,730,847 km (0.099 R)
• M5: 2,321,759 km (0.094 R)
• M6: 3,285,618 km (0.068 R)
• M7: 3,976,162 km (0.039 R)
• M8: 4,655,785 km (0.1 R)
• M9: 5,126,121 km (0.054 R)
• M10: 6,205,469 km (0.117 R)
• M11: 6,664,136 km (0.116 R)
• M12: 8,464,248 km (0.077 R)
• M13: 8,947,449 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.5

Radius: 9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.27 AU - 1.59 AU

Year: 1140 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,754,859 km

• M1: 111,899 km (0.096 R)
• M2: 514,018 km (0.063 R)
• M3: 824,883 km (0.093 R)
• M4: 1,115,252 km (0.117 R)
• M5: 1,732,792 km (0.084 R)
• M6: 2,106,188 km (0.058 R)
• M7: 2,622,899 km (0.093 R)
• M8: 3,486,079 km (0.08 R)
• M9: 4,736,867 km (0.11 R)
• M10: 6,063,950 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.1

Radius: 9.5

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.18 AU - 1.9 AU

Year: 1274 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,754,859 km

• M1: 118,182 km (0.098 R)
• M2: 430,692 km (0.093 R)
• M3: 732,431 km (0.048 R)
• M4: 1,252,433 km (0.055 R)
• M5: 1,983,668 km (0.042 R)
• M6: 2,438,445 km (0.102 R)
• M7: 2,904,742 km (0.093 R)
• M8: 5,997,379 km (0.082 R)
• M9: 8,119,275 km (0.117 R)
• M10: 9,412,100 km (0.093 R)
• M11: 9,731,341 km (0.091 R)
• M12: 10,871,726 km (0.078 R)
• M13: 12,099,027 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323

Radius: 12.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.12 AU - 4.66 AU

Year: 5116 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,754,859 km

• M1: 164,258 km (0.067 R)
• M2: 701,913 km (0.08 R)
• M3: 1,403,378 km (0.091 R)
• M4: 1,811,331 km (0.115 R)
• M5: 2,214,497 km (0.095 R)
• M6: 2,662,393 km (0.087 R)
• M7: 3,317,034 km (0.11 R)
• M8: 3,991,570 km (0.115 R)
• M9: 4,567,522 km (0.078 R)
• M10: 5,430,104 km (0.098 R)
• M11: 6,545,505 km (0.098 R)
• M12: 7,094,978 km (0.039 R)
• M13: 8,893,444 km (0.081 R)
• M14: 13,084,428 km (0.057 R)
• M15: 13,859,196 km (0.1 R)
• M16: 14,613,019 km (0.117 R)
• M17: 15,929,929 km (0.077 R)
• M18: 16,533,856 km (0.092 R)
• M19: 18,859,654 km (0.108 R)
• M20: 19,535,687 km (0.113 R)
• M21: 22,676,793 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 13.6

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.5 AU - 4.68 AU

Year: 6558 Days

Day: 9.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,754,859 km

• M1: 169,195 km (0.072 R)
• M2: 892,202 km (0.105 R)
• M3: 1,779,915 km (0.071 R)
• M4: 2,301,862 km (0.084 R)
• M5: 2,759,931 km (0.038 R)
• M6: 3,487,874 km (0.112 R)
• M7: 4,724,600 km (0.115 R)
• M8: 5,531,680 km (0.062 R)
• M9: 6,331,730 km (0.066 R)
• M10: 8,631,498 km (0.075 R)
• M11: 11,980,396 km (0.039 R)
• M12: 13,373,601 km (0.061 R)
• M13: 14,529,992 km (0.116 R)
• M14: 15,220,087 km (0.097 R)
• M15: 16,790,566 km (0.057 R)
• M16: 18,201,723 km (0.113 R)
• M17: 20,464,690 km (0.119 R)
• M18: 21,553,014 km (0.059 R)
• M19: 22,299,807 km (0.117 R)
• M20: 23,452,159 km (0.118 R)
• M21: 25,959,270 km (0.086 R)
• M22: 27,931,269 km (0.058 R)
• M23: 29,451,782 km (0.102 R)
• M24: 29,909,252 km (0.052 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 10,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit