🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.8

Radius: 9.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.61 AU - 0.99 AU

Year: 494 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,738,214 km

• M1: 116,836 km (0.104 R)
• M2: 432,039 km (0.041 R)
• M3: 728,093 km (0.055 R)
• M4: 1,051,224 km (0.112 R)
• M5: 1,412,653 km (0.072 R)
• M6: 1,972,897 km (0.069 R)
• M7: 2,418,549 km (0.094 R)
• M8: 2,758,286 km (0.113 R)
• M9: 3,523,927 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.3

Radius: 14.3

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.03 AU - 1.45 AU

Year: 953 Days

Day: 5.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,738,214 km

• M1: 178,620 km (0.093 R)
• M2: 708,795 km (0.036 R)
• M3: 1,339,200 km (0.114 R)
• M4: 2,186,672 km (0.091 R)
• M5: 3,943,849 km (0.108 R)
• M6: 4,582,332 km (0.038 R)
• M7: 6,690,017 km (0.047 R)
• M8: 8,870,555 km (0.116 R)
• M9: 10,337,662 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.6

Radius: 10.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.35 AU - 1.65 AU

Year: 1268 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,738,214 km

• M1: 135,087 km (0.073 R)
• M2: 488,886 km (0.101 R)
• M3: 869,463 km (0.096 R)
• M4: 1,358,498 km (0.071 R)
• M5: 1,719,478 km (0.106 R)
• M6: 2,479,585 km (0.075 R)
• M7: 3,040,876 km (0.073 R)
• M8: 3,558,784 km (0.117 R)
• M9: 3,997,853 km (0.11 R)
• M10: 4,400,272 km (0.029 R)
• M11: 6,105,987 km (0.033 R)
• M12: 7,941,104 km (0.037 R)
• M13: 8,665,606 km (0.093 R)
• M14: 10,150,216 km (0.113 R)
• M15: 10,636,857 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118

Radius: 8.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2 AU - 2.12 AU

Year: 2041 Days

Day: 5 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,738,214 km

• M1: 103,821 km (0.117 R)
• M2: 374,294 km (0.05 R)
• M3: 669,750 km (0.118 R)
• M4: 997,668 km (0.09 R)
• M5: 1,517,820 km (0.114 R)
• M6: 1,822,102 km (0.091 R)
• M7: 2,465,223 km (0.039 R)
• M8: 2,778,631 km (0.116 R)
• M9: 3,702,846 km (0.077 R)
• M10: 4,325,024 km (0.04 R)
• M11: 5,559,805 km (0.075 R)
• M12: 6,547,450 km (0.116 R)
• M13: 6,856,519 km (0.118 R)
• M14: 8,524,236 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.4

Radius: 10.8

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.97 AU - 2.97 AU

Year: 3533 Days

Day: 11.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,738,214 km

• M1: 134,339 km (0.118 R)
• M2: 482,453 km (0.069 R)
• M3: 876,943 km (0.103 R)
• M4: 1,330,673 km (0.089 R)
• M5: 1,700,778 km (0.081 R)
• M6: 2,434,107 km (0.084 R)
• M7: 3,383,455 km (0.093 R)
• M8: 5,034,866 km (0.089 R)
• M9: 5,729,449 km (0.091 R)
• M10: 6,176,298 km (0.109 R)
• M11: 7,309,801 km (0.076 R)
• M12: 7,687,386 km (0.049 R)
• M13: 8,108,653 km (0.107 R)
• M14: 8,736,964 km (0.094 R)
• M15: 10,162,483 km (0.081 R)
• M16: 14,350,625 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.8

Radius: 15

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.59 AU - 4.27 AU

Year: 5378 Days

Day: 12.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,738,214 km

• M1: 186,549 km (0.066 R)
• M2: 756,666 km (0.096 R)
• M3: 2,197,443 km (0.084 R)
• M4: 2,825,904 km (0.079 R)
• M5: 3,615,182 km (0.116 R)
• M6: 6,075,020 km (0.109 R)
• M7: 6,956,899 km (0.088 R)
• M8: 7,958,906 km (0.041 R)
• M9: 8,937,126 km (0.112 R)
• M10: 10,553,382 km (0.119 R)
• M11: 12,951,585 km (0.085 R)
• M12: 16,868,207 km (0.09 R)
• M13: 21,021,642 km (0.035 R)
• M14: 25,652,893 km (0.096 R)
• M15: 27,032,784 km (0.1 R)
• M16: 27,531,543 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.8

Radius: 4.1

Gravity: 28.72 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.02 AU - 7.56 AU

Year: 12213 Days

Day: 22.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,738,214 km

• M1: 52,808 km (0.112 R)
• M2: 1,119,740 km (0.096 R)
• M3: 1,288,187 km (0.114 R)
• M4: 1,459,776 km (0.089 R)
• M5: 2,341,506 km (0.05 R)
• M6: 3,285,319 km (0.036 R)
• M7: 5,009,733 km (0.073 R)
• M8: 6,358,657 km (0.063 R)
• M9: 7,299,329 km (0.09 R)
• M10: 11,542,523 km (0.058 R)
• M11: 12,576,244 km (0.099 R)
• M12: 17,698,475 km (0.101 R)
• M13: 18,604,590 km (0.064 R)
• M14: 19,147,181 km (0.107 R)
• M15: 21,848,171 km (0.115 R)
• M16: 22,626,528 km (0.071 R)
• M17: 23,155,656 km (0.109 R)
• M18: 24,422,152 km (0.08 R)
• M19: 28,599,971 km (0.103 R)
• M20: 31,126,979 km (0.108 R)
• M21: 33,230,025 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 12,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit