🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.2

Radius: 10.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.46 AU - 0.6 AU

Year: 271 Days

Day: 9.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,550,846 km

• M1: 131,796 km (0.067 R)
• M2: 524,341 km (0.045 R)
• M3: 973,433 km (0.052 R)
• M4: 1,595,760 km (0.093 R)
• M5: 2,257,133 km (0.118 R)
• M6: 2,691,565 km (0.108 R)
• M7: 3,685,942 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 13.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.73 AU - 0.81 AU

Year: 475 Days

Day: 8.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,550,846 km

• M1: 172,935 km (0.09 R)
• M2: 726,597 km (0.116 R)
• M3: 1,234,332 km (0.106 R)
• M4: 1,872,816 km (0.046 R)
• M5: 2,347,939 km (0.113 R)
• M6: 2,893,522 km (0.07 R)
• M7: 3,414,422 km (0.032 R)
• M8: 4,258,004 km (0.117 R)
• M9: 4,707,247 km (0.11 R)
• M10: 5,416,191 km (0.102 R)
• M11: 5,998,276 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 12.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.72 AU - 1.92 AU

Year: 1726 Days

Day: 5.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,550,846 km

• M1: 157,975 km (0.074 R)
• M2: 729,589 km (0.079 R)
• M3: 1,247,497 km (0.09 R)
• M4: 1,771,688 km (0.107 R)
• M5: 2,177,846 km (0.041 R)
• M6: 2,767,860 km (0.041 R)
• M7: 3,168,782 km (0.092 R)
• M8: 3,641,661 km (0.112 R)
• M9: 4,364,667 km (0.117 R)
• M10: 6,050,187 km (0.107 R)
• M11: 6,507,507 km (0.103 R)
• M12: 7,330,296 km (0.086 R)
• M13: 7,739,296 km (0.097 R)
• M14: 8,573,454 km (0.109 R)
• M15: 10,018,719 km (0.105 R)
• M16: 10,869,183 km (0.06 R)
• M17: 13,146,810 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.4

Radius: 13.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.57 AU - 2.19 AU

Year: 1812 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,550,846 km

• M1: 171,589 km (0.118 R)
• M2: 643,869 km (0.101 R)
• M3: 1,376,300 km (0.053 R)
• M4: 1,980,227 km (0.059 R)
• M5: 2,417,502 km (0.11 R)
• M6: 2,892,624 km (0.103 R)
• M7: 3,555,493 km (0.072 R)
• M8: 5,126,121 km (0.081 R)
• M9: 5,631,761 km (0.094 R)
• M10: 7,094,529 km (0.051 R)
• M11: 10,293,081 km (0.066 R)
• M12: 12,580,134 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.1

Radius: 9.4

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.22 AU - 2.68 AU

Year: 2696 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,550,846 km

• M1: 117,584 km (0.039 R)
• M2: 438,172 km (0.098 R)
• M3: 1,021,903 km (0.033 R)
• M4: 1,689,708 km (0.084 R)
• M5: 2,174,854 km (0.115 R)
• M6: 2,750,806 km (0.056 R)
• M7: 3,049,253 km (0.07 R)
• M8: 4,078,337 km (0.113 R)
• M9: 4,581,285 km (0.117 R)
• M10: 5,790,634 km (0.076 R)
• M11: 6,172,408 km (0.091 R)
• M12: 6,541,915 km (0.112 R)
• M13: 7,325,359 km (0.077 R)
• M14: 8,069,459 km (0.11 R)
• M15: 8,546,377 km (0.101 R)
• M16: 9,482,261 km (0.11 R)
• M17: 11,770,809 km (0.06 R)
• M18: 13,298,802 km (0.118 R)
• M19: 14,603,295 km (0.07 R)
• M20: 16,908,599 km (0.057 R)
• M21: 18,321,401 km (0.117 R)
• M22: 19,325,951 km (0.103 R)
• M23: 21,059,939 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.4

Radius: 6.3

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.91 AU - 9.47 AU

Year: 18007 Days

Day: 22 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,550,846 km

• M1: 80,633 km (0.028 R)
• M2: 350,657 km (0.092 R)
• M3: 634,893 km (0.065 R)
• M4: 840,890 km (0.102 R)
• M5: 1,393,205 km (0.089 R)
• M6: 1,764,806 km (0.047 R)
• M7: 2,219,284 km (0.056 R)
• M8: 2,837,572 km (0.107 R)
• M9: 3,777,945 km (0.085 R)
• M10: 4,943,611 km (0.102 R)
• M11: 5,879,496 km (0.1 R)
• M12: 6,645,287 km (0.093 R)
• M13: 6,887,336 km (0.025 R)
• M14: 7,518,789 km (0.097 R)
• M15: 8,096,536 km (0.114 R)
• M16: 8,751,475 km (0.117 R)
• M17: 9,091,811 km (0.112 R)
• M18: 10,488,157 km (0.087 R)
• M19: 11,785,619 km (0.099 R)
• M20: 12,141,064 km (0.106 R)
• M21: 13,377,341 km (0.103 R)
• M22: 14,158,092 km (0.09 R)
• M23: 16,831,256 km (0.119 R)
• M24: 22,421,430 km (0.066 R)
• M25: 23,521,572 km (0.049 R)
• M26: 26,328,178 km (0.098 R)
• M27: 30,112,705 km (0.111 R)
• M28: 33,886,760 km (0.057 R)
• M29: 35,211,599 km (0.109 R)
• M30: 37,073,494 km (0.059 R)
• M31: 38,609,415 km (0.092 R)
• M32: 45,902,311 km (0.082 R)
• M33: 47,523,055 km (0.093 R)
• M34: 48,272,091 km (0.048 R)
• M35: 52,772,893 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 11,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit