🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.2

Radius: 9.2

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.6 AU - 0.8 AU

Year: 404 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,751,251 km

• M1: 114,442 km (0.104 R)
• M2: 458,069 km (0.053 R)
• M3: 1,007,093 km (0.078 R)
• M4: 1,328,579 km (0.047 R)
• M5: 2,055,624 km (0.106 R)
• M6: 2,347,639 km (0.113 R)
• M7: 2,793,740 km (0.073 R)
• M8: 3,100,565 km (0.098 R)
• M9: 3,844,067 km (0.112 R)
• M10: 4,411,791 km (0.077 R)
• M11: 4,730,135 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.3

Radius: 9.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.22 AU - 1.54 AU

Year: 1119 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 156.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,751,251 km

• M1: 123,717 km (0.093 R)
• M2: 484,697 km (0.085 R)
• M3: 795,711 km (0.12 R)
• M4: 1,241,064 km (0.051 R)
• M5: 1,589,627 km (0.099 R)
• M6: 3,365,204 km (0.073 R)
• M7: 3,800,384 km (0.077 R)
• M8: 5,791,682 km (0.084 R)
• M9: 6,846,795 km (0.047 R)
• M10: 7,316,832 km (0.114 R)
• M11: 8,147,848 km (0.086 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.8

Radius: 3.2

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.92 AU - 9.66 AU

Year: 15008 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,751,251 km

• M1: 39,793 km (0.096 R)
• M2: 215,421 km (0.101 R)
• M3: 387,608 km (0.096 R)
• M4: 626,217 km (0.117 R)
• M5: 759,359 km (0.099 R)
• M6: 1,036,264 km (0.117 R)
• M7: 1,666,819 km (0.107 R)
• M8: 1,953,449 km (0.041 R)
• M9: 2,146,580 km (0.105 R)
• M10: 3,455,412 km (0.102 R)
• M11: 3,919,614 km (0.044 R)
• M12: 4,423,908 km (0.073 R)
• M13: 4,704,853 km (0.105 R)
• M14: 14,949,166 km (0.1 R)
• M15: 17,515,218 km (0.088 R)
• M16: 18,087,131 km (0.081 R)
• M17: 20,014,550 km (0.069 R)
• M18: 25,950,144 km (0.088 R)
• M19: 26,278,512 km (0.028 R)
• M20: 26,776,074 km (0.061 R)
• M21: 27,364,592 km (0.116 R)
• M22: 28,567,359 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.8

Radius: 5.2

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.58 AU - 8.14 AU

Year: 15211 Days

Day: 15.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,751,251 km

• M1: 68,366 km (0.081 R)
• M2: 289,173 km (0.083 R)
• M3: 519,105 km (0.098 R)
• M4: 1,657,395 km (0.083 R)
• M5: 1,860,100 km (0.074 R)
• M6: 2,315,925 km (0.106 R)
• M7: 2,529,850 km (0.115 R)
• M8: 2,756,939 km (0.112 R)
• M9: 3,884,608 km (0.118 R)
• M10: 4,103,320 km (0.073 R)
• M11: 4,417,476 km (0.1 R)
• M12: 6,051,683 km (0.106 R)
• M13: 6,688,670 km (0.107 R)
• M14: 8,497,907 km (0.12 R)
• M15: 9,637,693 km (0.089 R)
• M16: 9,837,107 km (0.078 R)
• M17: 11,421,947 km (0.093 R)
• M18: 15,560,273 km (0.116 R)
• M19: 18,607,731 km (0.078 R)
• M20: 20,027,565 km (0.079 R)
• M21: 23,258,879 km (0.035 R)
• M22: 33,500,798 km (0.095 R)
• M23: 35,357,906 km (0.027 R)
• M24: 36,794,943 km (0.116 R)
• M25: 38,520,255 km (0.089 R)
• M26: 40,427,927 km (0.111 R)
• M27: 42,397,533 km (0.115 R)
• M28: 42,799,053 km (0.099 R)
• M29: 43,338,354 km (0.086 R)
• M30: 44,983,182 km (0.051 R)
• M31: 46,811,567 km (0.067 R)
• M32: 47,527,842 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.8

Radius: 3

Gravity: 51.31 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.67 AU - 10.51 AU

Year: 17378 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,751,251 km

• M1: 42,785 km (0.113 R)
• M2: 845,527 km (0.112 R)
• M3: 1,044,044 km (0.099 R)
• M4: 1,154,447 km (0.084 R)
• M5: 1,327,681 km (0.067 R)
• M6: 1,846,038 km (0.07 R)
• M7: 2,893,672 km (0.095 R)
• M8: 3,013,948 km (0.034 R)
• M9: 12,006,276 km (0.098 R)
• M10: 18,297,764 km (0.035 R)
• M11: 19,127,733 km (0.11 R)
• M12: 20,595,588 km (0.11 R)
• M13: 20,951,631 km (0.062 R)
• M14: 21,859,390 km (0.043 R)
• M15: 22,044,144 km (0.108 R)
• M16: 22,888,025 km (0.097 R)
• M17: 23,559,121 km (0.061 R)
• M18: 24,840,128 km (0.069 R)
• M19: 27,112,370 km (0.098 R)
• M20: 29,294,704 km (0.086 R)
• M21: 30,085,478 km (0.097 R)
• M22: 37,191,826 km (0.097 R)
• M23: 37,323,322 km (0.069 R)
• M24: 39,060,303 km (0.067 R)
• M25: 42,983,208 km (0.111 R)
• M26: 48,873,026 km (0.026 R)
• M27: 52,091,923 km (0.052 R)
• M28: 57,531,302 km (0.11 R)
• M29: 58,414,079 km (0.108 R)
• M30: 59,126,614 km (0.099 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 14,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit