🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.8

Radius: 12.1

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.84 AU - 1.02 AU

Year: 588 Days

Day: 13.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,817,744 km

• M1: 150,645 km (0.083 R)
• M2: 545,135 km (0.099 R)
• M3: 954,584 km (0.088 R)
• M4: 1,556,566 km (0.042 R)
• M5: 2,172,909 km (0.079 R)
• M6: 2,703,982 km (0.091 R)
• M7: 4,164,655 km (0.084 R)
• M8: 4,736,568 km (0.103 R)
• M9: 5,342,290 km (0.055 R)
• M10: 5,749,046 km (0.087 R)
• M11: 6,357,461 km (0.101 R)
• M12: 7,384,151 km (0.106 R)
• M13: 8,200,207 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.6

Radius: 11.1

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.89 AU - 0.99 AU

Year: 598 Days

Day: 11.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 79.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,817,744 km

• M1: 138,079 km (0.089 R)
• M2: 626,965 km (0.058 R)
• M3: 1,055,563 km (0.111 R)
• M4: 1,567,935 km (0.107 R)
• M5: 2,004,013 km (0.113 R)
• M6: 2,368,733 km (0.114 R)
• M7: 2,756,042 km (0.111 R)
• M8: 3,449,278 km (0.039 R)
• M9: 3,992,618 km (0.098 R)
• M10: 4,864,923 km (0.055 R)
• M11: 5,712,544 km (0.087 R)
• M12: 6,778,130 km (0.037 R)
• M13: 7,391,032 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874

Radius: 12.8

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.59 AU - 2.97 AU

Year: 3041 Days

Day: 13 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,817,744 km

• M1: 159,172 km (0.106 R)
• M2: 777,161 km (0.111 R)
• M3: 1,430,305 km (0.087 R)
• M4: 1,938,938 km (0.092 R)
• M5: 2,387,732 km (0.119 R)
• M6: 3,060,324 km (0.097 R)
• M7: 4,237,808 km (0.104 R)
• M8: 5,887,125 km (0.101 R)
• M9: 6,780,823 km (0.12 R)
• M10: 7,436,361 km (0.044 R)
• M11: 7,997,652 km (0.099 R)
• M12: 9,430,351 km (0.1 R)
• M13: 10,049,087 km (0.1 R)
• M14: 10,985,869 km (0.051 R)
• M15: 12,430,536 km (0.119 R)
• M16: 13,461,864 km (0.074 R)
• M17: 14,196,988 km (0.097 R)
• M18: 17,466,150 km (0.116 R)
• M19: 21,011,470 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.9

Radius: 10.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.25 AU - 4.71 AU

Year: 6221 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,817,744 km

• M1: 135,685 km (0.116 R)
• M2: 609,163 km (0.082 R)
• M3: 1,241,662 km (0.111 R)
• M4: 1,715,140 km (0.093 R)
• M5: 2,215,096 km (0.084 R)
• M6: 3,127,792 km (0.092 R)
• M7: 3,595,286 km (0.101 R)
• M8: 4,826,027 km (0.076 R)
• M9: 5,173,693 km (0.101 R)
• M10: 5,979,876 km (0.109 R)
• M11: 6,901,099 km (0.109 R)
• M12: 7,308,903 km (0.099 R)
• M13: 11,503,179 km (0.097 R)
• M14: 13,181,068 km (0.093 R)
• M15: 15,819,526 km (0.117 R)
• M16: 16,410,587 km (0.112 R)
• M17: 19,321,014 km (0.091 R)
• M18: 20,271,110 km (0.086 R)
• M19: 20,617,878 km (0.101 R)
• M20: 21,394,739 km (0.118 R)
• M21: 24,541,381 km (0.113 R)
• M22: 25,253,617 km (0.089 R)
• M23: 26,802,703 km (0.107 R)
• M24: 27,898,507 km (0.065 R)
• M25: 28,936,267 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.6

Radius: 5.4

Gravity: 23.85 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.93 AU - 11.93 AU

Year: 20527 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,817,744 km

• M1: 69,413 km (0.046 R)
• M2: 254,167 km (0.113 R)
• M3: 634,893 km (0.064 R)
• M4: 940,971 km (0.094 R)
• M5: 1,238,820 km (0.098 R)
• M6: 1,701,825 km (0.101 R)
• M7: 2,230,055 km (0.076 R)
• M8: 2,520,575 km (0.064 R)
• M9: 3,016,491 km (0.041 R)
• M10: 3,232,212 km (0.11 R)
• M11: 4,037,497 km (0.111 R)
• M12: 4,608,662 km (0.095 R)
• M13: 8,827,920 km (0.081 R)
• M14: 9,962,021 km (0.089 R)
• M15: 11,906,495 km (0.106 R)
• M16: 12,107,105 km (0.103 R)
• M17: 19,508,460 km (0.072 R)
• M18: 20,448,982 km (0.117 R)
• M19: 22,318,656 km (0.104 R)
• M20: 22,726,310 km (0.083 R)
• M21: 24,192,220 km (0.054 R)
• M22: 25,498,059 km (0.108 R)
• M23: 26,735,533 km (0.112 R)
• M24: 28,367,945 km (0.115 R)
• M25: 30,939,233 km (0.06 R)
• M26: 35,562,855 km (0.048 R)
• M27: 36,680,800 km (0.08 R)
• M28: 38,986,402 km (0.096 R)
• M29: 40,325,004 km (0.115 R)
• M30: 45,985,787 km (0.097 R)
• M31: 47,815,668 km (0.105 R)
• M32: 50,388,452 km (0.053 R)
• M33: 52,691,512 km (0.106 R)
• M34: 52,871,627 km (0.083 R)
• M35: 57,506,469 km (0.052 R)
• M36: 58,464,793 km (0.091 R)
• M37: 66,518,244 km (0.084 R)
• M38: 77,352,122 km (0.098 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 16,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit