🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.5

Radius: 9.7

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.69 AU - 0.89 AU

Year: 494 Days

Day: 7.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,461,285 km

• M1: 120,576 km (0.11 R)
• M2: 445,502 km (0.068 R)
• M3: 1,028,785 km (0.068 R)
• M4: 1,754,484 km (0.117 R)
• M5: 2,471,207 km (0.109 R)
• M6: 3,017,838 km (0.031 R)
• M7: 3,558,933 km (0.078 R)
• M8: 3,954,919 km (0.109 R)
• M9: 4,298,096 km (0.08 R)
• M10: 4,850,262 km (0.084 R)
• M11: 5,213,187 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 13.2

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.73 AU - 1.09 AU

Year: 610 Days

Day: 13.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,461,285 km

• M1: 164,109 km (0.099 R)
• M2: 598,242 km (0.093 R)
• M3: 1,329,027 km (0.089 R)
• M4: 1,822,850 km (0.065 R)
• M5: 3,444,790 km (0.091 R)
• M6: 5,178,480 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.6

Radius: 13.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.08 AU - 1.5 AU

Year: 1030 Days

Day: 11.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,461,285 km

• M1: 171,888 km (0.032 R)
• M2: 1,184,217 km (0.111 R)
• M3: 1,945,371 km (0.108 R)
• M4: 2,820,817 km (0.048 R)
• M5: 3,562,823 km (0.072 R)
• M6: 4,698,121 km (0.118 R)
• M7: 6,961,238 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 11.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.26 AU - 1.86 AU

Year: 1370 Days

Day: 11.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,461,285 km

• M1: 141,819 km (0.044 R)
• M2: 630,256 km (0.118 R)
• M3: 1,105,678 km (0.059 R)
• M4: 2,217,489 km (0.106 R)
• M5: 2,663,889 km (0.109 R)
• M6: 3,306,263 km (0.092 R)
• M7: 4,151,640 km (0.079 R)
• M8: 4,900,826 km (0.065 R)
• M9: 5,664,523 km (0.071 R)
• M10: 6,056,320 km (0.107 R)
• M11: 7,190,272 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.4

Radius: 11.9

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.77 AU - 2.79 AU

Year: 2420 Days

Day: 10.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,461,285 km

• M1: 149,897 km (0.09 R)
• M2: 629,059 km (0.104 R)
• M3: 1,225,356 km (0.091 R)
• M4: 1,693,149 km (0.106 R)
• M5: 2,405,833 km (0.083 R)
• M6: 2,839,068 km (0.101 R)
• M7: 3,816,092 km (0.118 R)
• M8: 4,233,769 km (0.094 R)
• M9: 4,719,214 km (0.096 R)
• M10: 7,069,547 km (0.115 R)
• M11: 8,709,738 km (0.073 R)
• M12: 10,270,193 km (0.032 R)
• M13: 11,488,817 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.2

Radius: 12.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.59 AU - 4.11 AU

Year: 4310 Days

Day: 13.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,461,285 km

• M1: 159,172 km (0.097 R)
• M2: 663,616 km (0.079 R)
• M3: 1,422,825 km (0.047 R)
• M4: 1,918,144 km (0.097 R)
• M5: 2,456,098 km (0.061 R)
• M6: 4,266,830 km (0.106 R)
• M7: 5,002,104 km (0.08 R)
• M8: 8,712,879 km (0.115 R)
• M9: 11,724,135 km (0.081 R)
• M10: 15,726,027 km (0.107 R)
• M11: 17,258,957 km (0.069 R)
• M12: 20,619,972 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.9

Radius: 8.8

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.53 AU - 4.27 AU

Year: 5414 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 32,461,285 km

• M1: 109,506 km (0.105 R)
• M2: 508,184 km (0.111 R)
• M3: 956,978 km (0.118 R)
• M4: 1,941,332 km (0.097 R)
• M5: 2,575,477 km (0.101 R)
• M6: 3,279,036 km (0.063 R)
• M7: 3,709,728 km (0.061 R)
• M8: 4,710,987 km (0.078 R)
• M9: 7,309,202 km (0.085 R)
• M10: 8,198,861 km (0.087 R)
• M11: 8,670,094 km (0.11 R)
• M12: 8,953,133 km (0.096 R)
• M13: 9,495,276 km (0.044 R)
• M14: 10,923,188 km (0.045 R)
• M15: 11,984,585 km (0.046 R)
• M16: 12,643,264 km (0.106 R)
• M17: 13,649,011 km (0.096 R)
• M18: 14,143,581 km (0.101 R)
• M19: 15,227,118 km (0.083 R)
• M20: 16,798,195 km (0.119 R)
• M21: 18,275,474 km (0.077 R)
• M22: 19,767,863 km (0.115 R)
• M23: 20,188,681 km (0.061 R)
• M24: 21,486,742 km (0.062 R)
• M25: 23,536,981 km (0.087 R)
• M26: 26,809,285 km (0.049 R)
• M27: 30,002,900 km (0.1 R)
• M28: 31,978,490 km (0.105 R)
• M29: 32,364,303 km (0.099 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: 421 - 20,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit