🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.3

Radius: 12.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.64 AU - 0.76 AU

Year: 397 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,147,091 km

• M1: 150,495 km (0.108 R)
• M2: 550,371 km (0.077 R)
• M3: 951,742 km (0.025 R)
• M4: 1,378,245 km (0.082 R)
• M5: 1,797,867 km (0.039 R)
• M6: 2,646,386 km (0.109 R)
• M7: 3,436,861 km (0.042 R)
• M8: 3,973,319 km (0.117 R)
• M9: 4,378,879 km (0.088 R)
• M10: 4,812,264 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.7

Radius: 13.6

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.66 AU - 0.88 AU

Year: 458 Days

Day: 6.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,147,091 km

• M1: 169,195 km (0.095 R)
• M2: 595,549 km (0.099 R)
• M3: 1,025,793 km (0.093 R)
• M4: 1,454,690 km (0.114 R)
• M5: 1,909,617 km (0.098 R)
• M6: 2,416,754 km (0.093 R)
• M7: 3,034,443 km (0.11 R)
• M8: 3,477,103 km (0.116 R)
• M9: 4,088,360 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.7

Radius: 8.4

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.94 AU - 1.12 AU

Year: 709 Days

Day: 7.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,147,091 km

• M1: 104,719 km (0.118 R)
• M2: 676,482 km (0.119 R)
• M3: 1,063,192 km (0.108 R)
• M4: 1,333,216 km (0.094 R)
• M5: 1,641,687 km (0.067 R)
• M6: 2,331,782 km (0.034 R)
• M7: 2,645,938 km (0.109 R)
• M8: 3,062,717 km (0.057 R)
• M9: 3,373,432 km (0.119 R)
• M10: 3,662,605 km (0.06 R)
• M11: 4,748,386 km (0.072 R)
• M12: 5,256,271 km (0.089 R)
• M13: 5,570,426 km (0.101 R)
• M14: 6,998,787 km (0.097 R)
• M15: 7,402,402 km (0.1 R)
• M16: 7,869,147 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.1

Radius: 8.2

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.99 AU - 1.35 AU

Year: 858 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,147,091 km

• M1: 102,026 km (0.118 R)
• M2: 487,091 km (0.062 R)
• M3: 816,655 km (0.084 R)
• M4: 1,546,393 km (0.111 R)
• M5: 2,620,655 km (0.109 R)
• M6: 2,892,475 km (0.118 R)
• M7: 3,507,172 km (0.118 R)
• M8: 3,973,469 km (0.062 R)
• M9: 5,779,564 km (0.104 R)
• M10: 6,388,876 km (0.099 R)
• M11: 7,663,600 km (0.119 R)
• M12: 8,025,477 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.4

Radius: 12.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.48 AU - 1.84 AU

Year: 1451 Days

Day: 14.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 55.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,147,091 km

• M1: 157,975 km (0.12 R)
• M2: 598,541 km (0.093 R)
• M3: 1,108,071 km (0.079 R)
• M4: 1,629,121 km (0.063 R)
• M5: 2,037,074 km (0.106 R)
• M6: 2,833,384 km (0.04 R)
• M7: 3,459,451 km (0.099 R)
• M8: 4,447,096 km (0.093 R)
• M9: 5,614,408 km (0.095 R)
• M10: 6,649,027 km (0.07 R)
• M11: 7,758,894 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.9

Radius: 15

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.64 AU - 2.66 AU

Year: 2138 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,147,091 km

• M1: 186,549 km (0.108 R)
• M2: 656,136 km (0.054 R)
• M3: 1,285,794 km (0.096 R)
• M4: 1,793,978 km (0.06 R)
• M5: 2,317,421 km (0.113 R)
• M6: 3,154,271 km (0.057 R)
• M7: 3,928,141 km (0.114 R)
• M8: 4,472,079 km (0.118 R)
• M9: 5,237,421 km (0.096 R)
• M10: 6,217,736 km (0.093 R)
• M11: 6,821,214 km (0.073 R)
• M12: 9,064,733 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.9

Radius: 14.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.94 AU - 3.22 AU

Year: 3666 Days

Day: 9.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,147,091 km

• M1: 184,155 km (0.036 R)
• M2: 675,434 km (0.062 R)
• M3: 1,254,378 km (0.095 R)
• M4: 2,154,957 km (0.033 R)
• M5: 2,944,834 km (0.058 R)
• M6: 3,837,784 km (0.117 R)
• M7: 4,360,030 km (0.06 R)
• M8: 5,284,844 km (0.073 R)
• M9: 6,047,494 km (0.055 R)
• M10: 7,492,161 km (0.105 R)
• M11: 7,998,699 km (0.094 R)
• M12: 8,819,991 km (0.046 R)
• M13: 10,970,161 km (0.115 R)
• M14: 11,849,049 km (0.117 R)
• M15: 12,869,456 km (0.102 R)
• M16: 15,951,471 km (0.12 R)
• M17: 17,723,009 km (0.074 R)
• M18: 21,250,527 km (0.106 R)
• M19: 24,332,393 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 18,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit