🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.2

Radius: 11.2

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.62 AU - 0.92 AU

Year: 466 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,263,854 km

• M1: 139,276 km (0.036 R)
• M2: 506,090 km (0.073 R)
• M3: 1,015,620 km (0.092 R)
• M4: 1,393,654 km (0.094 R)
• M5: 2,045,152 km (0.076 R)
• M6: 2,477,042 km (0.054 R)
• M7: 3,144,098 km (0.103 R)
• M8: 3,982,894 km (0.107 R)
• M9: 4,432,585 km (0.114 R)
• M10: 4,803,887 km (0.118 R)
• M11: 5,365,776 km (0.084 R)
• M12: 6,252,144 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 11.6

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.6 AU - 0.96 AU

Year: 476 Days

Day: 9.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,263,854 km

• M1: 144,811 km (0.09 R)
• M2: 526,734 km (0.077 R)
• M3: 901,626 km (0.084 R)
• M4: 1,290,581 km (0.095 R)
• M5: 1,833,621 km (0.107 R)
• M6: 2,200,585 km (0.075 R)
• M7: 2,972,510 km (0.086 R)
• M8: 3,459,451 km (0.049 R)
• M9: 4,444,254 km (0.059 R)
• M10: 4,811,217 km (0.088 R)
• M11: 5,231,886 km (0.098 R)
• M12: 5,624,431 km (0.086 R)
• M13: 6,073,374 km (0.069 R)
• M14: 6,526,806 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787

Radius: 13

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.54 AU - 2.14 AU

Year: 1723 Days

Day: 5.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,263,854 km

• M1: 161,715 km (0.119 R)
• M2: 581,188 km (0.108 R)
• M3: 1,639,443 km (0.088 R)
• M4: 2,154,509 km (0.114 R)
• M5: 2,834,132 km (0.046 R)
• M6: 3,304,767 km (0.118 R)
• M7: 4,044,678 km (0.097 R)
• M8: 4,705,601 km (0.063 R)
• M9: 5,437,733 km (0.105 R)
• M10: 6,219,531 km (0.102 R)
• M11: 7,803,324 km (0.104 R)
• M12: 8,642,867 km (0.034 R)
• M13: 9,911,457 km (0.043 R)
• M14: 12,139,418 km (0.118 R)
• M15: 12,574,299 km (0.108 R)
• M16: 13,813,269 km (0.043 R)
• M17: 14,817,071 km (0.039 R)

Asteroid Belt

Center: 2.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.4

Radius: 10.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.19 AU - 3.35 AU

Year: 3182 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,263,854 km

• M1: 129,552 km (0.1 R)
• M2: 600,935 km (0.058 R)
• M3: 1,150,856 km (0.116 R)
• M4: 1,786,498 km (0.101 R)
• M5: 2,166,626 km (0.104 R)
• M6: 2,520,126 km (0.097 R)
• M7: 2,868,390 km (0.118 R)
• M8: 3,982,595 km (0.118 R)
• M9: 4,781,746 km (0.076 R)
• M10: 5,341,542 km (0.093 R)
• M11: 6,987,268 km (0.103 R)
• M12: 7,342,114 km (0.104 R)
• M13: 8,147,549 km (0.102 R)
• M14: 8,789,324 km (0.09 R)
• M15: 9,300,799 km (0.096 R)
• M16: 9,630,363 km (0.082 R)
• M17: 10,918,550 km (0.107 R)
• M18: 11,397,263 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.2

Radius: 7.2

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.54 AU - 8.84 AU

Year: 13308 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,263,854 km

• M1: 89,609 km (0.066 R)
• M2: 346,319 km (0.073 R)
• M3: 966,253 km (0.105 R)
• M4: 1,541,905 km (0.096 R)
• M5: 2,289,147 km (0.119 R)
• M6: 2,619,459 km (0.105 R)
• M7: 3,233,109 km (0.105 R)
• M8: 3,599,175 km (0.119 R)
• M9: 4,047,370 km (0.073 R)
• M10: 4,299,293 km (0.056 R)
• M11: 5,151,103 km (0.08 R)
• M12: 5,651,359 km (0.054 R)
• M13: 9,165,562 km (0.049 R)
• M14: 10,514,935 km (0.05 R)
• M15: 11,319,323 km (0.118 R)
• M16: 13,915,145 km (0.102 R)
• M17: 14,621,247 km (0.074 R)
• M18: 15,486,372 km (0.096 R)
• M19: 16,739,703 km (0.077 R)
• M20: 17,538,256 km (0.11 R)
• M21: 20,166,840 km (0.12 R)
• M22: 21,659,677 km (0.108 R)
• M23: 22,694,895 km (0.091 R)
• M24: 28,676,266 km (0.038 R)
• M25: 30,029,080 km (0.051 R)
• M26: 31,206,565 km (0.077 R)
• M27: 32,861,267 km (0.105 R)
• M28: 35,511,094 km (0.081 R)
• M29: 35,866,837 km (0.117 R)
• M30: 39,050,729 km (0.099 R)
• M31: 46,822,039 km (0.1 R)
• M32: 47,824,345 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.8

Radius: 7.7

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.53 AU - 10.83 AU

Year: 19199 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,263,854 km

• M1: 97,538 km (0.026 R)
• M2: 349,161 km (0.058 R)
• M3: 1,237,025 km (0.11 R)
• M4: 1,679,984 km (0.1 R)
• M5: 2,833,384 km (0.114 R)
• M6: 3,111,037 km (0.094 R)
• M7: 4,024,632 km (0.107 R)
• M8: 4,442,907 km (0.12 R)
• M9: 5,635,801 km (0.096 R)
• M10: 7,493,208 km (0.055 R)
• M11: 8,380,024 km (0.106 R)
• M12: 8,848,864 km (0.113 R)
• M13: 12,102,767 km (0.055 R)
• M14: 15,221,135 km (0.044 R)
• M15: 17,630,558 km (0.066 R)
• M16: 18,487,155 km (0.055 R)
• M17: 20,190,626 km (0.073 R)
• M18: 22,192,395 km (0.07 R)
• M19: 25,276,206 km (0.118 R)
• M20: 25,707,796 km (0.096 R)
• M21: 27,257,480 km (0.038 R)
• M22: 32,914,673 km (0.088 R)
• M23: 34,211,687 km (0.12 R)
• M24: 39,163,526 km (0.083 R)
• M25: 42,261,847 km (0.102 R)
• M26: 47,291,627 km (0.082 R)
• M27: 56,292,183 km (0.043 R)
• M28: 58,708,188 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 11,870 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit