🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 9.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.49 AU - 0.77 AU

Year: 345 Days

Day: 14.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,900,365 km

• M1: 117,883 km (0.059 R)
• M2: 426,653 km (0.07 R)
• M3: 759,060 km (0.093 R)
• M4: 1,465,910 km (0.069 R)
• M5: 1,953,000 km (0.075 R)
• M6: 2,653,417 km (0.065 R)
• M7: 3,108,943 km (0.079 R)
• M8: 3,553,548 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 13.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.47 AU - 0.79 AU

Year: 345 Days

Day: 11 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,900,365 km

• M1: 170,392 km (0.057 R)
• M2: 601,533 km (0.074 R)
• M3: 1,105,079 km (0.099 R)
• M4: 1,567,337 km (0.111 R)
• M5: 2,207,466 km (0.085 R)
• M6: 2,837,872 km (0.119 R)
• M7: 3,340,520 km (0.095 R)
• M8: 4,055,748 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.4

Radius: 11.4

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.74 AU - 0.94 AU

Year: 531 Days

Day: 11.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,900,365 km

• M1: 143,165 km (0.116 R)
• M2: 566,527 km (0.034 R)
• M3: 1,007,691 km (0.102 R)
• M4: 1,381,985 km (0.106 R)
• M5: 2,191,459 km (0.109 R)
• M6: 2,708,170 km (0.082 R)
• M7: 3,081,567 km (0.064 R)
• M8: 3,655,125 km (0.063 R)
• M9: 4,655,635 km (0.073 R)
• M10: 5,016,316 km (0.077 R)
• M11: 6,138,599 km (0.109 R)
• M12: 6,515,586 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985

Radius: 13

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.13 AU - 1.35 AU

Year: 953 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,900,365 km

• M1: 164,408 km (0.09 R)
• M2: 583,731 km (0.072 R)
• M3: 1,090,269 km (0.109 R)
• M4: 1,753,437 km (0.094 R)
• M5: 2,366,489 km (0.067 R)
• M6: 2,891,278 km (0.041 R)
• M7: 3,331,694 km (0.113 R)
• M8: 4,027,474 km (0.07 R)
• M9: 4,634,093 km (0.026 R)
• M10: 5,261,357 km (0.056 R)
• M11: 5,710,450 km (0.097 R)
• M12: 6,686,277 km (0.031 R)
• M13: 7,091,986 km (0.043 R)
• M14: 8,138,872 km (0.111 R)
• M15: 8,602,027 km (0.085 R)
• M16: 10,570,436 km (0.111 R)
• M17: 10,990,956 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628

Radius: 14.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.3 AU - 2.54 AU

Year: 2599 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,900,365 km

• M1: 180,565 km (0.114 R)
• M2: 886,367 km (0.088 R)
• M3: 1,513,033 km (0.114 R)
• M4: 2,528,054 km (0.065 R)
• M5: 5,409,908 km (0.076 R)
• M6: 6,959,443 km (0.069 R)
• M7: 8,956,724 km (0.104 R)
• M8: 9,617,198 km (0.12 R)
• M9: 12,892,344 km (0.067 R)
• M10: 15,779,883 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.1

Radius: 8.7

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.1 AU - 3.44 AU

Year: 3182 Days

Day: 6.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,900,365 km

• M1: 108,159 km (0.085 R)
• M2: 533,915 km (0.065 R)
• M3: 956,828 km (0.114 R)
• M4: 1,362,089 km (0.1 R)
• M5: 2,385,936 km (0.069 R)
• M6: 2,895,168 km (0.114 R)
• M7: 3,691,627 km (0.067 R)
• M8: 4,087,163 km (0.103 R)
• M9: 5,419,781 km (0.077 R)
• M10: 6,015,480 km (0.095 R)
• M11: 6,300,464 km (0.105 R)
• M12: 6,714,401 km (0.054 R)
• M13: 7,021,077 km (0.029 R)
• M14: 7,369,341 km (0.069 R)
• M15: 8,100,426 km (0.086 R)
• M16: 9,249,188 km (0.109 R)
• M17: 10,299,963 km (0.113 R)
• M18: 13,296,259 km (0.062 R)
• M19: 14,683,330 km (0.117 R)
• M20: 17,453,584 km (0.077 R)
• M21: 18,991,898 km (0.116 R)
• M22: 20,876,981 km (0.113 R)
• M23: 22,540,360 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.6

Radius: 14

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.7 AU - 4.32 AU

Year: 4539 Days

Day: 5 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,900,365 km

• M1: 174,132 km (0.089 R)
• M2: 661,671 km (0.104 R)
• M3: 1,347,278 km (0.095 R)
• M4: 2,231,551 km (0.09 R)
• M5: 3,352,039 km (0.097 R)
• M6: 4,793,265 km (0.096 R)
• M7: 5,653,902 km (0.099 R)
• M8: 6,913,965 km (0.094 R)
• M9: 7,828,756 km (0.063 R)
• M10: 9,226,748 km (0.064 R)
• M11: 9,685,565 km (0.073 R)
• M12: 10,785,408 km (0.109 R)
• M13: 13,817,607 km (0.118 R)
• M14: 15,153,217 km (0.049 R)
• M15: 16,330,552 km (0.107 R)
• M16: 17,190,441 km (0.069 R)
• M17: 18,080,249 km (0.116 R)
• M18: 29,903,418 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.3

Radius: 4.6

Gravity: 27.94 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.82 AU - 9.04 AU

Year: 15414 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,900,365 km

• M1: 59,390 km (0.087 R)
• M2: 206,894 km (0.047 R)
• M3: 461,509 km (0.043 R)
• M4: 722,857 km (0.044 R)
• M5: 996,471 km (0.115 R)
• M6: 1,151,455 km (0.082 R)
• M7: 1,450,950 km (0.071 R)
• M8: 1,834,967 km (0.099 R)
• M9: 2,943,488 km (0.095 R)
• M10: 3,778,543 km (0.086 R)
• M11: 3,951,179 km (0.103 R)
• M12: 4,374,541 km (0.071 R)
• M13: 6,495,839 km (0.096 R)
• M14: 7,481,539 km (0.102 R)
• M15: 8,911,844 km (0.079 R)
• M16: 9,115,297 km (0.063 R)
• M17: 9,322,042 km (0.112 R)
• M18: 9,637,843 km (0.105 R)
• M19: 12,051,604 km (0.038 R)
• M20: 17,311,914 km (0.101 R)
• M21: 17,629,062 km (0.067 R)
• M22: 20,044,768 km (0.096 R)
• M23: 28,598,625 km (0.107 R)
• M24: 29,376,983 km (0.101 R)
• M25: 34,470,641 km (0.088 R)
• M26: 37,686,845 km (0.025 R)
• M27: 37,952,531 km (0.108 R)
• M28: 42,661,274 km (0.052 R)
• M29: 44,116,861 km (0.051 R)
• M30: 46,209,885 km (0.1 R)
• M31: 49,472,016 km (0.099 R)
• M32: 53,050,547 km (0.083 R)
• M33: 55,587,128 km (0.111 R)
• M34: 59,992,336 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 19,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit