🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.8

Radius: 10.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.57 AU - 0.57 AU

Year: 287 Days

Day: 8.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,470,513 km

• M1: 137,181 km (0.113 R)
• M2: 522,845 km (0.032 R)
• M3: 927,956 km (0.079 R)
• M4: 1,559,408 km (0.034 R)
• M5: 2,187,719 km (0.118 R)
• M6: 3,163,097 km (0.109 R)
• M7: 3,633,283 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.6

Radius: 9.8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.74 AU - 0.92 AU

Year: 504 Days

Day: 13.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,470,513 km

• M1: 121,922 km (0.117 R)
• M2: 434,283 km (0.083 R)
• M3: 866,620 km (0.087 R)
• M4: 1,176,438 km (0.073 R)
• M5: 1,524,103 km (0.12 R)
• M6: 1,874,910 km (0.026 R)
• M7: 2,222,127 km (0.025 R)
• M8: 2,705,029 km (0.112 R)
• M9: 3,214,409 km (0.034 R)
• M10: 3,611,442 km (0.074 R)
• M11: 4,320,536 km (0.033 R)
• M12: 4,680,917 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.5

Radius: 13.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.79 AU - 1.89 AU

Year: 1664 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,470,513 km

• M1: 164,109 km (0.069 R)
• M2: 577,897 km (0.119 R)
• M3: 2,108,283 km (0.063 R)
• M4: 2,634,867 km (0.118 R)
• M5: 4,076,093 km (0.073 R)
• M6: 4,652,195 km (0.071 R)
• M7: 5,618,148 km (0.096 R)
• M8: 6,149,071 km (0.068 R)
• M9: 7,210,019 km (0.106 R)
• M10: 9,631,859 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.2

Radius: 11.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.06 AU - 2.08 AU

Year: 1986 Days

Day: 7.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,470,513 km

• M1: 138,079 km (0.1 R)
• M2: 602,431 km (0.094 R)
• M3: 1,364,931 km (0.106 R)
• M4: 1,862,643 km (0.112 R)
• M5: 2,328,640 km (0.102 R)
• M6: 2,759,632 km (0.07 R)
• M7: 3,766,575 km (0.064 R)
• M8: 4,616,441 km (0.116 R)
• M9: 5,044,889 km (0.087 R)
• M10: 5,772,234 km (0.088 R)
• M11: 6,197,541 km (0.075 R)
• M12: 6,593,077 km (0.105 R)
• M13: 7,137,913 km (0.057 R)
• M14: 7,656,569 km (0.114 R)
• M15: 8,677,873 km (0.082 R)
• M16: 9,110,959 km (0.108 R)
• M17: 9,656,243 km (0.078 R)
• M18: 10,532,288 km (0.084 R)
• M19: 11,982,341 km (0.069 R)
• M20: 13,438,377 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.4

Radius: 11.1

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.03 AU - 3.03 AU

Year: 2684 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,470,513 km

• M1: 138,079 km (0.091 R)
• M2: 613,800 km (0.082 R)
• M3: 1,124,228 km (0.048 R)
• M4: 1,556,715 km (0.093 R)
• M5: 2,009,698 km (0.063 R)
• M6: 2,719,390 km (0.072 R)
• M7: 3,704,941 km (0.056 R)
• M8: 4,323,378 km (0.106 R)
• M9: 4,749,882 km (0.077 R)
• M10: 6,228,956 km (0.057 R)
• M11: 7,765,326 km (0.088 R)
• M12: 9,100,338 km (0.099 R)
• M13: 16,150,586 km (0.118 R)
• M14: 17,071,062 km (0.084 R)
• M15: 21,168,996 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.5

Radius: 12.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.16 AU - 5.18 AU

Year: 5679 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,470,513 km

• M1: 151,692 km (0.038 R)
• M2: 541,843 km (0.117 R)
• M3: 1,116,748 km (0.082 R)
• M4: 2,400,298 km (0.107 R)
• M5: 3,377,022 km (0.085 R)
• M6: 3,817,289 km (0.116 R)
• M7: 4,396,382 km (0.054 R)
• M8: 5,761,612 km (0.12 R)
• M9: 6,966,922 km (0.092 R)
• M10: 7,611,091 km (0.116 R)
• M11: 8,412,337 km (0.033 R)
• M12: 10,872,025 km (0.062 R)
• M13: 12,190,282 km (0.062 R)
• M14: 12,914,485 km (0.049 R)
• M15: 16,224,188 km (0.066 R)
• M16: 16,973,524 km (0.108 R)
• M17: 18,811,932 km (0.09 R)
• M18: 20,132,732 km (0.088 R)
• M19: 27,765,814 km (0.069 R)
• M20: 31,543,160 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.4

Radius: 12.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.29 AU - 5.49 AU

Year: 6134 Days

Day: 13.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,470,513 km

• M1: 160,519 km (0.117 R)
• M2: 793,318 km (0.085 R)
• M3: 1,252,284 km (0.111 R)
• M4: 1,879,248 km (0.104 R)
• M5: 2,303,807 km (0.059 R)
• M6: 2,878,413 km (0.074 R)
• M7: 3,919,614 km (0.033 R)
• M8: 4,503,943 km (0.107 R)
• M9: 6,193,352 km (0.097 R)
• M10: 6,613,273 km (0.104 R)
• M11: 8,272,014 km (0.101 R)
• M12: 8,745,492 km (0.117 R)
• M13: 9,314,412 km (0.101 R)
• M14: 9,747,049 km (0.113 R)
• M15: 10,275,728 km (0.104 R)
• M16: 11,126,491 km (0.089 R)
• M17: 11,886,149 km (0.117 R)
• M18: 13,709,298 km (0.07 R)
• M19: 15,221,135 km (0.068 R)
• M20: 19,261,324 km (0.099 R)
• M21: 20,886,556 km (0.066 R)
• M22: 21,493,474 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.4

Radius: 5.8

Gravity: 29.08 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.23 AU - 7.03 AU

Year: 11384 Days

Day: 18.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,470,513 km

• M1: 72,405 km (0.077 R)
• M2: 438,322 km (0.078 R)
• M3: 844,779 km (0.116 R)
• M4: 1,348,774 km (0.057 R)
• M5: 1,535,622 km (0.039 R)
• M6: 2,837,572 km (0.093 R)
• M7: 3,297,586 km (0.106 R)
• M8: 3,722,444 km (0.119 R)
• M9: 4,064,425 km (0.116 R)
• M10: 4,427,199 km (0.119 R)
• M11: 5,572,670 km (0.087 R)
• M12: 6,411,765 km (0.073 R)
• M13: 8,242,244 km (0.115 R)
• M14: 8,675,629 km (0.097 R)
• M15: 11,481,936 km (0.055 R)
• M16: 13,678,631 km (0.099 R)
• M17: 16,515,007 km (0.032 R)
• M18: 17,280,798 km (0.095 R)
• M19: 21,558,400 km (0.089 R)
• M20: 21,921,025 km (0.088 R)
• M21: 27,117,606 km (0.089 R)
• M22: 28,290,304 km (0.107 R)
• M23: 28,615,829 km (0.114 R)
• M24: 30,965,413 km (0.081 R)
• M25: 32,720,196 km (0.046 R)
• M26: 34,664,071 km (0.099 R)
• M27: 35,036,869 km (0.028 R)
• M28: 37,330,353 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.9

Radius: 4.4

Gravity: 23.55 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.93 AU - 9.15 AU

Year: 13807 Days

Day: 16.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 37,470,513 km

• M1: 54,902 km (0.116 R)
• M2: 193,879 km (0.077 R)
• M3: 357,090 km (0.069 R)
• M4: 965,804 km (0.108 R)
• M5: 1,280,109 km (0.118 R)
• M6: 1,659,489 km (0.069 R)
• M7: 1,934,450 km (0.097 R)
• M8: 2,220,481 km (0.091 R)
• M9: 2,854,327 km (0.053 R)
• M10: 3,706,287 km (0.104 R)
• M11: 3,950,281 km (0.107 R)
• M12: 4,653,391 km (0.093 R)
• M13: 5,470,794 km (0.094 R)
• M14: 6,612,226 km (0.117 R)
• M15: 9,206,702 km (0.088 R)
• M16: 12,588,661 km (0.11 R)
• M17: 13,834,961 km (0.088 R)
• M18: 14,487,955 km (0.089 R)
• M19: 15,093,079 km (0.115 R)
• M20: 15,505,670 km (0.105 R)
• M21: 15,855,280 km (0.099 R)
• M22: 17,231,580 km (0.095 R)
• M23: 17,834,310 km (0.107 R)
• M24: 19,971,914 km (0.104 R)
• M25: 24,938,264 km (0.101 R)
• M26: 26,395,796 km (0.111 R)
• M27: 26,994,487 km (0.067 R)
• M28: 27,704,329 km (0.108 R)
• M29: 30,997,726 km (0.096 R)
• M30: 35,984,571 km (0.092 R)
• M31: 36,844,011 km (0.1 R)
• M32: 37,216,360 km (0.062 R)
• M33: 40,155,659 km (0.044 R)
• M34: 40,814,488 km (0.073 R)
• M35: 43,108,272 km (0.083 R)
• M36: 47,217,277 km (0.054 R)

Asteroid Belt

Center: 8.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71

Radius: 5.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.69 AU - 12.55 AU

Year: 21468 Days

Day: 24.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,470,513 km

• M1: 70,909 km (0.079 R)
• M2: 383,719 km (0.104 R)
• M3: 973,583 km (0.037 R)
• M4: 1,163,572 km (0.064 R)
• M5: 2,648,481 km (0.086 R)
• M6: 3,278,437 km (0.116 R)
• M7: 10,013,483 km (0.041 R)
• M8: 14,981,628 km (0.09 R)
• M9: 19,076,272 km (0.094 R)
• M10: 22,237,723 km (0.108 R)
• M11: 22,716,137 km (0.118 R)
• M12: 25,557,749 km (0.068 R)
• M13: 31,632,769 km (0.046 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 12,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit