🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.8

Radius: 14.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.39 AU - 0.63 AU

Year: 243 Days

Day: 7.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,291,633 km

• M1: 176,675 km (0.082 R)
• M2: 752,178 km (0.091 R)
• M3: 1,461,571 km (0.089 R)
• M4: 2,020,768 km (0.106 R)
• M5: 2,612,876 km (0.031 R)
• M6: 3,203,190 km (0.078 R)
• M7: 3,698,359 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.9

Radius: 14.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.48 AU - 0.72 AU

Year: 310 Days

Day: 9.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,291,633 km

• M1: 175,329 km (0.119 R)
• M2: 857,196 km (0.104 R)
• M3: 1,393,055 km (0.071 R)
• M4: 1,853,966 km (0.057 R)
• M5: 2,418,399 km (0.107 R)
• M6: 3,493,858 km (0.116 R)
• M7: 4,013,112 km (0.088 R)
• M8: 4,487,487 km (0.081 R)
• M9: 4,940,470 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 12.5

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.72 AU - 0.98 AU

Year: 523 Days

Day: 5.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,291,633 km

• M1: 156,031 km (0.103 R)
• M2: 648,956 km (0.029 R)
• M3: 1,160,580 km (0.084 R)
• M4: 1,737,130 km (0.113 R)
• M5: 2,134,462 km (0.051 R)
• M6: 2,720,736 km (0.069 R)
• M7: 3,794,400 km (0.079 R)
• M8: 4,367,959 km (0.103 R)
• M9: 4,819,445 km (0.095 R)
• M10: 5,617,849 km (0.068 R)
• M11: 6,443,479 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.5

Radius: 13.2

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.62 AU - 1.94 AU

Year: 1584 Days

Day: 12.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 19,291,633 km

• M1: 164,109 km (0.094 R)
• M2: 756,217 km (0.081 R)
• M3: 2,772,647 km (0.101 R)
• M4: 6,179,738 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 10.7

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.06 AU - 2.58 AU

Year: 2356 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,291,633 km

• M1: 133,142 km (0.079 R)
• M2: 542,143 km (0.063 R)
• M3: 984,504 km (0.096 R)
• M4: 1,458,579 km (0.108 R)
• M5: 2,082,253 km (0.108 R)
• M6: 2,507,410 km (0.053 R)
• M7: 3,534,549 km (0.106 R)
• M8: 3,900,016 km (0.089 R)
• M9: 4,333,551 km (0.099 R)
• M10: 4,868,214 km (0.101 R)
• M11: 5,752,337 km (0.104 R)
• M12: 8,701,659 km (0.108 R)
• M13: 9,121,281 km (0.069 R)
• M14: 9,888,120 km (0.115 R)
• M15: 12,316,841 km (0.1 R)
• M16: 13,026,534 km (0.099 R)
• M17: 13,998,920 km (0.087 R)
• M18: 14,381,741 km (0.091 R)
• M19: 15,068,694 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.5

Radius: 12.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.78 AU - 4.52 AU

Year: 5638 Days

Day: 13.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,291,633 km

• M1: 157,975 km (0.044 R)
• M2: 839,543 km (0.068 R)
• M3: 1,272,330 km (0.075 R)
• M4: 2,100,504 km (0.116 R)
• M5: 2,964,132 km (0.11 R)
• M6: 4,074,298 km (0.056 R)
• M7: 4,762,448 km (0.117 R)
• M8: 5,895,502 km (0.113 R)
• M9: 6,371,822 km (0.091 R)
• M10: 7,167,533 km (0.057 R)
• M11: 9,387,865 km (0.118 R)
• M12: 11,477,747 km (0.038 R)
• M13: 12,999,905 km (0.067 R)
• M14: 14,599,107 km (0.11 R)
• M15: 16,268,170 km (0.113 R)
• M16: 20,787,671 km (0.087 R)
• M17: 22,036,215 km (0.075 R)
• M18: 24,454,315 km (0.112 R)
• M19: 25,453,629 km (0.06 R)
• M20: 26,400,135 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.9

Radius: 10.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.31 AU - 5.21 AU

Year: 5863 Days

Day: 14.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,291,633 km

• M1: 134,937 km (0.076 R)
• M2: 688,599 km (0.062 R)
• M3: 2,174,555 km (0.098 R)
• M4: 2,797,031 km (0.085 R)
• M5: 4,009,073 km (0.117 R)
• M6: 4,418,822 km (0.029 R)
• M7: 5,641,934 km (0.098 R)
• M8: 9,651,606 km (0.056 R)
• M9: 10,466,914 km (0.05 R)
• M10: 11,734,008 km (0.112 R)
• M11: 13,278,756 km (0.083 R)
• M12: 14,053,523 km (0.041 R)
• M13: 16,096,880 km (0.103 R)
• M14: 17,510,730 km (0.036 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 13,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit