🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.5

Radius: 9.1

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.68 AU - 1.82 AU

Year: 1544 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,052,040 km

• M1: 125,064 km (0.081 R)
• M2: 615,146 km (0.113 R)
• M3: 1,134,101 km (0.071 R)
• M4: 2,043,507 km (0.067 R)
• M5: 2,388,031 km (0.085 R)
• M6: 3,934,574 km (0.119 R)
• M7: 4,766,487 km (0.099 R)
• M8: 6,969,166 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.1

Radius: 14.5

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.41 AU - 3.21 AU

Year: 3141 Days

Day: 9 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,052,040 km

• M1: 180,565 km (0.079 R)
• M2: 725,400 km (0.043 R)
• M3: 1,292,974 km (0.101 R)
• M4: 2,509,953 km (0.112 R)
• M5: 3,051,647 km (0.071 R)
• M6: 3,623,410 km (0.106 R)
• M7: 4,177,521 km (0.066 R)
• M8: 4,768,881 km (0.114 R)
• M9: 5,894,007 km (0.074 R)
• M10: 6,811,939 km (0.064 R)
• M11: 7,823,221 km (0.066 R)
• M12: 11,999,245 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 9.8

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.6 AU - 3.9 AU

Year: 4843 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,052,040 km

• M1: 122,221 km (0.067 R)
• M2: 428,299 km (0.1 R)
• M3: 855,849 km (0.11 R)
• M4: 1,216,081 km (0.09 R)
• M5: 1,743,713 km (0.062 R)
• M6: 2,160,642 km (0.108 R)
• M7: 2,661,346 km (0.071 R)
• M8: 2,978,344 km (0.119 R)
• M9: 3,383,904 km (0.084 R)
• M10: 4,908,605 km (0.062 R)
• M11: 6,025,204 km (0.115 R)
• M12: 7,231,561 km (0.034 R)
• M13: 8,472,475 km (0.082 R)
• M14: 8,834,353 km (0.066 R)
• M15: 13,910,807 km (0.061 R)
• M16: 14,873,768 km (0.076 R)
• M17: 16,369,747 km (0.082 R)
• M18: 16,869,105 km (0.082 R)
• M19: 17,767,141 km (0.11 R)
• M20: 18,696,891 km (0.096 R)
• M21: 20,151,731 km (0.043 R)
• M22: 20,943,253 km (0.119 R)
• M23: 25,132,293 km (0.055 R)
• M24: 31,832,033 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.4

Radius: 3.4

Gravity: 53.75 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.5 AU - 9.08 AU

Year: 13126 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,052,040 km

• M1: 42,336 km (0.104 R)
• M2: 150,795 km (0.071 R)
• M3: 335,099 km (0.059 R)
• M4: 493,673 km (0.105 R)
• M5: 763,697 km (0.112 R)
• M6: 931,845 km (0.06 R)
• M7: 1,619,397 km (0.112 R)
• M8: 3,068,252 km (0.094 R)
• M9: 4,430,790 km (0.097 R)
• M10: 5,175,189 km (0.1 R)
• M11: 5,813,074 km (0.043 R)
• M12: 6,112,868 km (0.089 R)
• M13: 6,990,260 km (0.051 R)
• M14: 8,131,392 km (0.062 R)
• M15: 8,270,668 km (0.054 R)
• M16: 10,120,745 km (0.098 R)
• M17: 10,228,006 km (0.059 R)
• M18: 10,887,284 km (0.107 R)
• M19: 10,999,782 km (0.078 R)
• M20: 11,574,387 km (0.061 R)
• M21: 11,869,095 km (0.101 R)
• M22: 12,168,740 km (0.1 R)
• M23: 14,819,015 km (0.106 R)
• M24: 15,519,134 km (0.1 R)
• M25: 18,143,529 km (0.11 R)
• M26: 19,353,477 km (0.062 R)
• M27: 19,768,461 km (0.098 R)
• M28: 20,104,757 km (0.082 R)
• M29: 30,242,855 km (0.092 R)
• M30: 31,139,844 km (0.053 R)
• M31: 32,518,239 km (0.064 R)
• M32: 32,751,911 km (0.113 R)
• M33: 35,891,970 km (0.113 R)
• M34: 37,023,977 km (0.04 R)
• M35: 47,397,692 km (0.083 R)
• M36: 51,243,703 km (0.077 R)
• M37: 53,323,563 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405

Radius: 8

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.26 AU - 11.06 AU

Year: 20021 Days

Day: 22.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,052,040 km

• M1: 99,632 km (0.085 R)
• M2: 396,734 km (0.056 R)
• M3: 673,639 km (0.115 R)
• M4: 948,899 km (0.113 R)
• M5: 1,545,645 km (0.09 R)
• M6: 2,310,240 km (0.119 R)
• M7: 4,693,184 km (0.106 R)
• M8: 6,110,026 km (0.07 R)
• M9: 6,514,987 km (0.054 R)
• M10: 9,925,370 km (0.095 R)
• M11: 10,428,617 km (0.046 R)
• M12: 11,245,272 km (0.081 R)
• M13: 12,041,133 km (0.039 R)
• M14: 13,005,440 km (0.078 R)
• M15: 14,020,312 km (0.094 R)
• M16: 17,703,711 km (0.064 R)
• M17: 19,986,276 km (0.091 R)
• M18: 20,429,534 km (0.114 R)
• M19: 23,033,734 km (0.094 R)
• M20: 28,890,790 km (0.101 R)
• M21: 35,152,657 km (0.091 R)
• M22: 37,918,722 km (0.103 R)
• M23: 45,844,567 km (0.051 R)
• M24: 48,660,447 km (0.081 R)
• M25: 50,436,922 km (0.095 R)
• M26: 51,093,507 km (0.084 R)
• M27: 63,716,276 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.9

Radius: 6.1

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.86 AU - 11.88 AU

Year: 20678 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,052,040 km

• M1: 77,043 km (0.09 R)
• M2: 410,945 km (0.097 R)
• M3: 820,395 km (0.064 R)
• M4: 1,220,719 km (0.096 R)
• M5: 1,655,899 km (0.11 R)
• M6: 5,198,077 km (0.102 R)
• M7: 5,990,946 km (0.102 R)
• M8: 10,095,014 km (0.077 R)
• M9: 16,486,733 km (0.115 R)
• M10: 18,624,785 km (0.109 R)
• M11: 18,983,222 km (0.054 R)
• M12: 27,614,720 km (0.107 R)
• M13: 28,433,768 km (0.081 R)
• M14: 38,684,663 km (0.08 R)
• M15: 39,857,510 km (0.104 R)
• M16: 44,786,311 km (0.102 R)
• M17: 50,279,096 km (0.107 R)
• M18: 55,094,053 km (0.104 R)
• M19: 59,044,933 km (0.075 R)
• M20: 59,818,205 km (0.094 R)
• M21: 62,578,136 km (0.062 R)
• M22: 69,847,096 km (0.071 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 14,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit