🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 13.5

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.72 AU - 0.92 AU

Year: 479 Days

Day: 13.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,950,476 km

• M1: 167,849 km (0.077 R)
• M2: 636,539 km (0.084 R)
• M3: 1,070,971 km (0.071 R)
• M4: 1,609,972 km (0.115 R)
• M5: 2,756,191 km (0.089 R)
• M6: 3,196,009 km (0.081 R)
• M7: 3,781,984 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 11.4

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.25 AU - 1.47 AU

Year: 1024 Days

Day: 9.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 74.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,950,476 km

• M1: 142,716 km (0.036 R)
• M2: 564,134 km (0.095 R)
• M3: 958,623 km (0.111 R)
• M4: 1,384,678 km (0.11 R)
• M5: 1,975,589 km (0.1 R)
• M6: 2,411,218 km (0.118 R)
• M7: 3,354,134 km (0.112 R)
• M8: 3,887,749 km (0.101 R)
• M9: 4,410,893 km (0.079 R)
• M10: 4,998,514 km (0.109 R)
• M11: 5,521,059 km (0.085 R)
• M12: 6,183,628 km (0.116 R)
• M13: 7,011,353 km (0.061 R)
• M14: 7,428,581 km (0.078 R)
• M15: 8,010,517 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.6

Radius: 4.6

Gravity: 33.72 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.51 AU - 6.79 AU

Year: 11073 Days

Day: 19 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,950,476 km

• M1: 57,296 km (0.104 R)
• M2: 312,360 km (0.083 R)
• M3: 648,956 km (0.031 R)
• M4: 1,560,306 km (0.05 R)
• M5: 1,727,706 km (0.112 R)
• M6: 2,099,008 km (0.12 R)
• M7: 2,381,299 km (0.055 R)
• M8: 3,162,499 km (0.117 R)
• M9: 3,482,638 km (0.067 R)
• M10: 4,759,606 km (0.064 R)
• M11: 7,277,637 km (0.101 R)
• M12: 8,328,562 km (0.102 R)
• M13: 9,278,359 km (0.098 R)
• M14: 16,247,825 km (0.115 R)
• M15: 17,496,518 km (0.109 R)
• M16: 22,060,899 km (0.056 R)
• M17: 22,951,605 km (0.12 R)
• M18: 25,962,860 km (0.075 R)
• M19: 27,359,356 km (0.113 R)
• M20: 28,282,973 km (0.039 R)
• M21: 33,214,916 km (0.091 R)
• M22: 39,333,469 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.7

Radius: 4.3

Gravity: 50.71 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.04 AU - 9.56 AU

Year: 14066 Days

Day: 20.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,950,476 km

• M1: 53,406 km (0.083 R)
• M2: 236,664 km (0.099 R)
• M3: 375,640 km (0.062 R)
• M4: 1,023,249 km (0.115 R)
• M5: 1,966,314 km (0.113 R)
• M6: 2,700,690 km (0.08 R)
• M7: 4,929,250 km (0.104 R)
• M8: 5,779,265 km (0.097 R)
• M9: 6,056,171 km (0.077 R)
• M10: 7,253,552 km (0.059 R)
• M11: 7,955,914 km (0.076 R)
• M12: 8,101,622 km (0.116 R)
• M13: 9,658,787 km (0.1 R)
• M14: 11,221,336 km (0.06 R)
• M15: 12,158,417 km (0.11 R)
• M16: 13,418,929 km (0.095 R)
• M17: 14,618,255 km (0.118 R)
• M18: 15,734,405 km (0.051 R)
• M19: 20,042,524 km (0.112 R)
• M20: 23,446,325 km (0.047 R)
• M21: 24,048,606 km (0.076 R)
• M22: 24,251,760 km (0.114 R)
• M23: 26,996,581 km (0.072 R)
• M24: 27,436,549 km (0.066 R)
• M25: 29,013,759 km (0.092 R)
• M26: 29,475,268 km (0.1 R)
• M27: 33,851,455 km (0.041 R)
• M28: 35,009,342 km (0.102 R)
• M29: 35,795,779 km (0.099 R)
• M30: 36,460,143 km (0.033 R)
• M31: 36,594,033 km (0.057 R)
• M32: 37,403,956 km (0.109 R)
• M33: 56,751,149 km (0.112 R)
• M34: 57,291,646 km (0.064 R)
• M35: 60,045,893 km (0.072 R)
• M36: 60,419,738 km (0.111 R)
• M37: 63,272,719 km (0.07 R)
• M38: 65,421,094 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.7

Radius: 7.6

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.62 AU - 10.46 AU

Year: 20541 Days

Day: 17.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 74,950,476 km

• M1: 94,845 km (0.093 R)
• M2: 362,625 km (0.078 R)
• M3: 684,410 km (0.097 R)
• M4: 1,278,164 km (0.051 R)
• M5: 1,755,381 km (0.112 R)
• M6: 2,239,331 km (0.107 R)
• M7: 2,934,063 km (0.073 R)
• M8: 4,041,985 km (0.114 R)
• M9: 5,800,358 km (0.029 R)
• M10: 8,634,340 km (0.115 R)
• M11: 9,395,494 km (0.096 R)
• M12: 10,082,747 km (0.087 R)
• M13: 10,498,928 km (0.077 R)
• M14: 12,346,013 km (0.097 R)
• M15: 15,004,068 km (0.114 R)
• M16: 16,671,037 km (0.099 R)
• M17: 17,337,346 km (0.093 R)
• M18: 18,282,356 km (0.114 R)
• M19: 20,557,141 km (0.1 R)
• M20: 21,811,519 km (0.069 R)
• M21: 23,116,162 km (0.042 R)
• M22: 27,113,268 km (0.076 R)
• M23: 32,310,148 km (0.069 R)
• M24: 33,345,216 km (0.066 R)
• M25: 43,674,350 km (0.088 R)
• M26: 47,707,060 km (0.118 R)
• M27: 50,414,333 km (0.067 R)
• M28: 50,932,989 km (0.097 R)
• M29: 54,301,484 km (0.052 R)
• M30: 55,029,128 km (0.102 R)
• M31: 55,579,050 km (0.113 R)
• M32: 57,815,538 km (0.087 R)
• M33: 60,499,922 km (0.11 R)
• M34: 60,890,073 km (0.112 R)
• M35: 62,865,812 km (0.074 R)
• M36: 64,274,127 km (0.033 R)
• M37: 66,945,047 km (0.096 R)
• M38: 67,571,862 km (0.114 R)
• M39: 71,632,248 km (0.106 R)
• M40: 72,727,154 km (0.078 R)
• M41: 74,950,478 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 11,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit