🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 12.5

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.55 AU - 0.69 AU

Year: 337 Days

Day: 7.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,999,398 km

• M1: 155,432 km (0.09 R)
• M2: 629,508 km (0.109 R)
• M3: 1,050,775 km (0.063 R)
• M4: 1,702,573 km (0.114 R)
• M5: 2,244,417 km (0.116 R)
• M6: 2,951,416 km (0.103 R)

Asteroid Belt

Center: 3.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.4

Radius: 12.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.21 AU - 6.71 AU

Year: 8806 Days

Day: 9.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,999,398 km

• M1: 167,550 km (0.105 R)
• M2: 1,615,208 km (0.05 R)
• M3: 2,040,365 km (0.111 R)
• M4: 3,580,625 km (0.119 R)
• M5: 9,143,422 km (0.109 R)
• M6: 11,645,147 km (0.078 R)
• M7: 21,413,439 km (0.043 R)
• M8: 24,049,503 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.4

Radius: 6.2

Gravity: 23.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.61 AU - 6.23 AU

Year: 9942 Days

Day: 16.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 34,999,398 km

• M1: 77,043 km (0.106 R)
• M2: 284,236 km (0.077 R)
• M3: 606,171 km (0.105 R)
• M4: 849,118 km (0.073 R)
• M5: 1,480,421 km (0.041 R)
• M6: 2,347,340 km (0.087 R)
• M7: 3,143,500 km (0.039 R)
• M8: 3,883,860 km (0.105 R)
• M9: 4,107,060 km (0.065 R)
• M10: 4,428,247 km (0.084 R)
• M11: 5,153,796 km (0.074 R)
• M12: 6,215,642 km (0.112 R)
• M13: 6,918,752 km (0.092 R)
• M14: 8,435,824 km (0.08 R)
• M15: 12,169,787 km (0.113 R)
• M16: 12,408,096 km (0.086 R)
• M17: 13,203,957 km (0.088 R)
• M18: 14,494,238 km (0.116 R)
• M19: 14,762,168 km (0.118 R)
• M20: 16,438,861 km (0.087 R)
• M21: 17,323,134 km (0.087 R)
• M22: 19,671,821 km (0.054 R)
• M23: 20,499,546 km (0.098 R)
• M24: 22,224,559 km (0.092 R)
• M25: 27,157,997 km (0.11 R)
• M26: 31,303,953 km (0.055 R)
• M27: 32,090,239 km (0.116 R)
• M28: 32,774,500 km (0.113 R)
• M29: 35,609,529 km (0.062 R)
• M30: 36,466,127 km (0.099 R)
• M31: 37,461,850 km (0.072 R)
• M32: 38,347,918 km (0.051 R)
• M33: 40,425,533 km (0.118 R)
• M34: 43,959,783 km (0.077 R)
• M35: 46,378,781 km (0.064 R)
• M36: 47,990,399 km (0.082 R)
• M37: 48,436,350 km (0.077 R)
• M38: 49,336,480 km (0.101 R)
• M39: 50,553,908 km (0.091 R)
• M40: 51,947,412 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.2

Radius: 6.5

Gravity: 20.95 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.78 AU - 7.34 AU

Year: 11598 Days

Day: 19.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,999,398 km

• M1: 96,640 km (0.096 R)
• M2: 1,226,254 km (0.034 R)
• M3: 1,543,401 km (0.073 R)
• M4: 1,795,324 km (0.108 R)
• M5: 2,074,773 km (0.107 R)
• M6: 3,314,191 km (0.074 R)
• M7: 3,819,682 km (0.095 R)
• M8: 4,224,045 km (0.066 R)
• M9: 4,656,533 km (0.101 R)
• M10: 7,231,561 km (0.066 R)
• M11: 9,866,279 km (0.056 R)
• M12: 13,208,146 km (0.07 R)
• M13: 16,401,911 km (0.114 R)
• M14: 17,701,916 km (0.119 R)
• M15: 18,497,926 km (0.11 R)
• M16: 20,418,913 km (0.086 R)
• M17: 22,012,279 km (0.078 R)
• M18: 23,973,657 km (0.108 R)
• M19: 28,240,787 km (0.092 R)
• M20: 41,064,167 km (0.115 R)
• M21: 42,315,702 km (0.114 R)
• M22: 53,258,488 km (0.073 R)
• M23: 57,115,270 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.8

Radius: 5.5

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.95 AU - 9.15 AU

Year: 14320 Days

Day: 23.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,999,398 km

• M1: 68,366 km (0.069 R)
• M2: 254,765 km (0.106 R)
• M3: 657,483 km (0.09 R)
• M4: 2,127,731 km (0.084 R)
• M5: 2,332,380 km (0.106 R)
• M6: 3,261,682 km (0.095 R)
• M7: 4,505,140 km (0.116 R)
• M8: 7,927,042 km (0.105 R)
• M9: 8,698,817 km (0.105 R)
• M10: 11,939,256 km (0.077 R)
• M11: 16,906,355 km (0.079 R)
• M12: 19,116,514 km (0.097 R)
• M13: 19,677,506 km (0.025 R)
• M14: 31,631,123 km (0.075 R)
• M15: 36,532,698 km (0.118 R)
• M16: 40,197,696 km (0.069 R)
• M17: 45,786,373 km (0.044 R)
• M18: 51,102,034 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.9

Radius: 3.5

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.93 AU - 8.17 AU

Year: 15765 Days

Day: 15.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,999,398 km

• M1: 43,533 km (0.098 R)
• M2: 441,164 km (0.06 R)
• M3: 671,395 km (0.106 R)
• M4: 877,541 km (0.092 R)
• M5: 1,605,484 km (0.115 R)
• M6: 2,345,695 km (0.065 R)
• M7: 2,503,072 km (0.111 R)
• M8: 2,648,780 km (0.054 R)
• M9: 2,761,726 km (0.086 R)
• M10: 3,037,884 km (0.098 R)
• M11: 3,246,274 km (0.109 R)
• M12: 3,691,477 km (0.043 R)
• M13: 5,300,402 km (0.109 R)
• M14: 7,472,264 km (0.096 R)
• M15: 8,164,603 km (0.113 R)
• M16: 9,543,297 km (0.11 R)
• M17: 9,989,996 km (0.114 R)
• M18: 13,625,374 km (0.078 R)
• M19: 15,188,821 km (0.1 R)
• M20: 15,369,685 km (0.089 R)
• M21: 15,491,009 km (0.108 R)
• M22: 15,797,086 km (0.109 R)
• M23: 16,997,011 km (0.032 R)
• M24: 19,647,885 km (0.102 R)
• M25: 20,296,542 km (0.092 R)
• M26: 21,636,340 km (0.098 R)
• M27: 22,639,992 km (0.102 R)
• M28: 23,113,469 km (0.098 R)
• M29: 23,513,045 km (0.117 R)
• M30: 30,166,859 km (0.115 R)
• M31: 31,809,594 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.1

Radius: 6.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.47 AU - 9.69 AU

Year: 15854 Days

Day: 23.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,999,398 km

• M1: 83,326 km (0.082 R)
• M2: 460,163 km (0.096 R)
• M3: 883,076 km (0.107 R)
• M4: 1,396,047 km (0.087 R)
• M5: 1,645,427 km (0.101 R)
• M6: 2,170,516 km (0.113 R)
• M7: 3,017,239 km (0.1 R)
• M8: 3,662,305 km (0.09 R)
• M9: 4,017,600 km (0.092 R)
• M10: 5,164,717 km (0.111 R)
• M11: 5,704,466 km (0.055 R)
• M12: 8,607,712 km (0.113 R)
• M13: 9,716,531 km (0.088 R)
• M14: 14,174,847 km (0.117 R)
• M15: 15,289,950 km (0.042 R)
• M16: 16,085,810 km (0.074 R)
• M17: 17,038,150 km (0.092 R)
• M18: 23,877,615 km (0.075 R)
• M19: 28,715,461 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 13,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit