🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.7

Radius: 10.3

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.49 AU - 0.69 AU

Year: 302 Days

Day: 10.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,749,865 km

• M1: 131,796 km (0.114 R)
• M2: 540,198 km (0.05 R)
• M3: 892,800 km (0.117 R)
• M4: 1,296,864 km (0.068 R)
• M5: 1,773,932 km (0.101 R)
• M6: 2,241,126 km (0.107 R)
• M7: 2,974,155 km (0.092 R)
• M8: 3,294,444 km (0.095 R)
• M9: 3,871,892 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.5

Radius: 12.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.01 AU - 1.43 AU

Year: 899 Days

Day: 5.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,749,865 km

• M1: 153,039 km (0.098 R)
• M2: 588,817 km (0.057 R)
• M3: 1,109,268 km (0.076 R)
• M4: 2,237,386 km (0.095 R)
• M5: 2,747,814 km (0.106 R)
• M6: 3,171,624 km (0.103 R)
• M7: 4,152,837 km (0.072 R)
• M8: 5,379,839 km (0.07 R)
• M9: 6,545,356 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.5

Radius: 13.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.73 AU - 2.79 AU

Year: 3058 Days

Day: 7.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,749,865 km

• M1: 162,912 km (0.074 R)
• M2: 634,744 km (0.026 R)
• M3: 1,107,024 km (0.078 R)
• M4: 3,976,012 km (0.077 R)
• M5: 6,702,134 km (0.108 R)
• M6: 8,997,414 km (0.057 R)
• M7: 10,121,044 km (0.065 R)
• M8: 13,514,672 km (0.084 R)
• M9: 15,129,880 km (0.059 R)
• M10: 15,565,359 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.3

Radius: 7

Gravity: 16.11 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.23 AU - 6.89 AU

Year: 11204 Days

Day: 18.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 54 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,749,865 km

• M1: 87,365 km (0.115 R)
• M2: 429,795 km (0.104 R)
• M3: 2,158,398 km (0.077 R)
• M4: 2,740,483 km (0.06 R)
• M5: 2,987,021 km (0.055 R)
• M6: 4,039,890 km (0.091 R)
• M7: 4,390,099 km (0.062 R)
• M8: 4,986,097 km (0.116 R)
• M9: 5,218,871 km (0.097 R)
• M10: 8,236,111 km (0.04 R)
• M11: 9,140,879 km (0.115 R)
• M12: 13,620,138 km (0.114 R)
• M13: 16,292,255 km (0.086 R)
• M14: 22,107,723 km (0.098 R)
• M15: 28,637,371 km (0.036 R)
• M16: 30,588,277 km (0.1 R)
• M17: 34,033,815 km (0.094 R)
• M18: 39,018,416 km (0.103 R)
• M19: 40,603,704 km (0.075 R)
• M20: 50,250,822 km (0.026 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.2

Radius: 3.9

Gravity: 35.06 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.34 AU - 7.62 AU

Year: 12297 Days

Day: 21.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,749,865 km

• M1: 58,343 km (0.078 R)
• M2: 219,161 km (0.063 R)
• M3: 363,523 km (0.113 R)
• M4: 558,000 km (0.072 R)
• M5: 713,133 km (0.089 R)
• M6: 1,281,605 km (0.104 R)
• M7: 1,628,822 km (0.076 R)
• M8: 2,387,881 km (0.114 R)
• M9: 2,801,071 km (0.041 R)
• M10: 7,365,002 km (0.095 R)
• M11: 10,432,956 km (0.074 R)
• M12: 11,752,409 km (0.093 R)
• M13: 12,215,863 km (0.056 R)
• M14: 14,256,976 km (0.093 R)
• M15: 14,387,575 km (0.075 R)
• M16: 14,917,750 km (0.09 R)
• M17: 15,052,388 km (0.117 R)
• M18: 15,598,720 km (0.103 R)
• M19: 16,803,431 km (0.085 R)
• M20: 20,620,720 km (0.077 R)
• M21: 21,722,508 km (0.079 R)
• M22: 24,600,921 km (0.074 R)
• M23: 25,167,448 km (0.102 R)
• M24: 27,118,803 km (0.079 R)
• M25: 29,063,874 km (0.119 R)
• M26: 29,379,227 km (0.079 R)
• M27: 31,099,901 km (0.112 R)
• M28: 32,321,218 km (0.086 R)
• M29: 33,229,128 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.3

Radius: 4.1

Gravity: 25.95 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.33 AU - 9.47 AU

Year: 19219 Days

Day: 20.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,749,865 km

• M1: 51,013 km (0.088 R)
• M2: 214,823 km (0.065 R)
• M3: 347,665 km (0.099 R)
• M4: 545,434 km (0.103 R)
• M5: 701,913 km (0.116 R)
• M6: 1,196,633 km (0.04 R)
• M7: 1,434,344 km (0.047 R)
• M8: 1,770,790 km (0.1 R)
• M9: 2,599,113 km (0.091 R)
• M10: 3,303,719 km (0.088 R)
• M11: 3,858,727 km (0.058 R)
• M12: 4,189,189 km (0.082 R)
• M13: 4,505,738 km (0.077 R)
• M14: 5,855,560 km (0.087 R)
• M15: 6,170,613 km (0.05 R)
• M16: 6,455,597 km (0.089 R)
• M17: 8,352,498 km (0.099 R)
• M18: 9,321,144 km (0.04 R)
• M19: 10,305,797 km (0.094 R)
• M20: 12,543,781 km (0.088 R)
• M21: 13,200,067 km (0.066 R)
• M22: 14,087,033 km (0.118 R)
• M23: 15,827,455 km (0.07 R)
• M24: 16,985,193 km (0.097 R)
• M25: 18,198,132 km (0.102 R)
• M26: 18,447,512 km (0.089 R)
• M27: 19,038,124 km (0.106 R)
• M28: 22,849,579 km (0.108 R)
• M29: 24,932,879 km (0.091 R)
• M30: 27,902,995 km (0.078 R)
• M31: 29,587,168 km (0.114 R)
• M32: 30,395,894 km (0.04 R)
• M33: 34,916,143 km (0.102 R)
• M34: 39,032,179 km (0.083 R)
• M35: 42,141,720 km (0.029 R)
• M36: 55,531,627 km (0.084 R)
• M37: 57,828,403 km (0.118 R)
• M38: 58,547,520 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: 378 - 14,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit