🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 14.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.51 AU - 0.75 AU

Year: 333 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,233,027 km

• M1: 176,675 km (0.025 R)
• M2: 621,729 km (0.11 R)
• M3: 1,141,133 km (0.082 R)
• M4: 1,716,037 km (0.07 R)
• M5: 2,234,693 km (0.08 R)
• M6: 2,819,321 km (0.083 R)
• M7: 3,858,129 km (0.118 R)
• M8: 4,637,235 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.1

Radius: 14.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.98 AU - 1.32 AU

Year: 822 Days

Day: 9.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,233,027 km

• M1: 185,352 km (0.089 R)
• M2: 684,560 km (0.077 R)
• M3: 1,216,380 km (0.114 R)
• M4: 1,689,110 km (0.095 R)
• M5: 2,211,805 km (0.098 R)
• M6: 3,341,119 km (0.038 R)
• M7: 4,419,719 km (0.03 R)
• M8: 5,048,330 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.7

Radius: 8.2

Gravity: 13.63 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.38 AU - 1.68 AU

Year: 1262 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,233,027 km

• M1: 102,325 km (0.116 R)
• M2: 417,079 km (0.112 R)
• M3: 696,976 km (0.073 R)
• M4: 952,340 km (0.082 R)
• M5: 1,385,575 km (0.094 R)
• M6: 1,790,387 km (0.07 R)
• M7: 2,098,858 km (0.028 R)
• M8: 2,824,258 km (0.093 R)
• M9: 3,542,926 km (0.049 R)
• M10: 3,893,434 km (0.1 R)
• M11: 4,194,126 km (0.076 R)
• M12: 4,453,229 km (0.043 R)
• M13: 4,782,345 km (0.07 R)
• M14: 5,359,942 km (0.067 R)
• M15: 6,312,282 km (0.077 R)
• M16: 6,828,993 km (0.104 R)
• M17: 7,835,039 km (0.073 R)
• M18: 8,287,124 km (0.082 R)
• M19: 9,620,190 km (0.069 R)
• M20: 10,138,696 km (0.073 R)
• M21: 10,539,619 km (0.118 R)
• M22: 10,881,899 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.8

Radius: 10.3

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.49 AU - 1.61 AU

Year: 1287 Days

Day: 7.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,233,027 km

• M1: 128,056 km (0.093 R)
• M2: 457,919 km (0.066 R)
• M3: 903,870 km (0.113 R)
• M4: 1,279,511 km (0.083 R)
• M5: 1,859,950 km (0.077 R)
• M6: 2,726,571 km (0.096 R)
• M7: 4,599,087 km (0.047 R)
• M8: 5,323,889 km (0.117 R)
• M9: 5,870,669 km (0.114 R)
• M10: 7,051,296 km (0.028 R)
• M11: 7,848,353 km (0.102 R)
• M12: 8,383,614 km (0.088 R)
• M13: 8,823,133 km (0.052 R)
• M14: 9,247,093 km (0.107 R)
• M15: 9,716,531 km (0.117 R)
• M16: 11,011,899 km (0.106 R)
• M17: 11,575,285 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.9

Radius: 12.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.9 AU - 2.74 AU

Year: 2356 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,233,027 km

• M1: 150,495 km (0.118 R)
• M2: 828,922 km (0.116 R)
• M3: 1,382,135 km (0.042 R)
• M4: 1,837,660 km (0.107 R)
• M5: 2,276,281 km (0.044 R)
• M6: 2,904,891 km (0.069 R)
• M7: 3,285,768 km (0.093 R)
• M8: 4,014,758 km (0.097 R)
• M9: 4,551,964 km (0.11 R)
• M10: 5,388,964 km (0.082 R)
• M11: 5,795,422 km (0.102 R)
• M12: 6,861,007 km (0.093 R)
• M13: 7,455,210 km (0.118 R)
• M14: 8,844,675 km (0.119 R)
• M15: 11,612,086 km (0.106 R)
• M16: 12,916,131 km (0.111 R)
• M17: 13,603,832 km (0.06 R)
• M18: 14,225,262 km (0.117 R)
• M19: 17,208,093 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43

Radius: 8.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.35 AU - 2.53 AU

Year: 2542 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,233,027 km

• M1: 104,569 km (0.095 R)
• M2: 441,763 km (0.037 R)
• M3: 1,002,306 km (0.12 R)
• M4: 1,331,571 km (0.107 R)
• M5: 2,090,032 km (0.062 R)
• M6: 2,423,186 km (0.107 R)
• M7: 2,871,830 km (0.047 R)
• M8: 4,066,818 km (0.064 R)
• M9: 4,588,915 km (0.091 R)
• M10: 5,155,143 km (0.114 R)
• M11: 5,956,090 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.3

Radius: 12.2

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.52 AU - 3.96 AU

Year: 4823 Days

Day: 11 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,233,027 km

• M1: 151,842 km (0.093 R)
• M2: 781,200 km (0.103 R)
• M3: 1,330,374 km (0.06 R)
• M4: 1,742,516 km (0.071 R)
• M5: 2,413,014 km (0.059 R)
• M6: 3,453,616 km (0.061 R)
• M7: 4,359,132 km (0.119 R)
• M8: 4,989,239 km (0.094 R)
• M9: 5,786,745 km (0.036 R)
• M10: 8,239,402 km (0.086 R)
• M11: 9,695,737 km (0.109 R)
• M12: 10,854,223 km (0.063 R)
• M13: 14,679,590 km (0.119 R)
• M14: 15,142,147 km (0.068 R)
• M15: 15,934,716 km (0.116 R)
• M16: 18,242,264 km (0.092 R)
• M17: 20,828,960 km (0.111 R)
• M18: 22,751,742 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 14,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit