🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.2

Radius: 12.4

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.59 AU - 2.41 AU

Year: 1952 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,422,757 km

• M1: 154,235 km (0.107 R)
• M2: 559,496 km (0.096 R)
• M3: 959,072 km (0.103 R)
• M4: 1,570,478 km (0.086 R)
• M5: 3,033,695 km (0.111 R)
• M6: 3,534,848 km (0.096 R)
• M7: 3,956,116 km (0.11 R)
• M8: 4,923,266 km (0.106 R)
• M9: 8,484,593 km (0.108 R)
• M10: 9,730,593 km (0.109 R)
• M11: 10,903,441 km (0.085 R)
• M12: 15,178,050 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.2

Radius: 11.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.42 AU - 2.5 AU

Year: 2663 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,422,757 km

• M1: 146,756 km (0.079 R)
• M2: 522,545 km (0.094 R)
• M3: 915,240 km (0.067 R)
• M4: 1,675,197 km (0.099 R)
• M5: 2,308,445 km (0.068 R)
• M6: 2,914,615 km (0.073 R)
• M7: 3,935,920 km (0.098 R)
• M8: 4,670,446 km (0.093 R)
• M9: 5,409,609 km (0.072 R)
• M10: 6,202,178 km (0.111 R)
• M11: 6,578,716 km (0.044 R)
• M12: 7,300,077 km (0.094 R)
• M13: 8,268,125 km (0.1 R)
• M14: 8,754,168 km (0.107 R)
• M15: 11,095,973 km (0.108 R)
• M16: 11,476,700 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.3

Radius: 10.9

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.16 AU - 3.62 AU

Year: 4308 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,422,757 km

• M1: 135,685 km (0.064 R)
• M2: 654,491 km (0.071 R)
• M3: 1,051,523 km (0.117 R)
• M4: 1,529,189 km (0.115 R)
• M5: 2,332,829 km (0.048 R)
• M6: 3,256,596 km (0.106 R)
• M7: 3,802,479 km (0.061 R)
• M8: 4,557,499 km (0.086 R)
• M9: 5,269,735 km (0.105 R)
• M10: 5,933,500 km (0.047 R)
• M11: 6,301,511 km (0.088 R)
• M12: 7,498,444 km (0.048 R)
• M13: 8,376,583 km (0.063 R)
• M14: 8,880,279 km (0.084 R)
• M15: 9,694,540 km (0.088 R)
• M16: 10,557,720 km (0.062 R)
• M17: 11,851,443 km (0.119 R)
• M18: 14,975,046 km (0.046 R)
• M19: 19,134,764 km (0.109 R)
• M20: 21,264,290 km (0.049 R)
• M21: 22,943,227 km (0.085 R)
• M22: 24,317,433 km (0.064 R)
• M23: 26,563,047 km (0.087 R)
• M24: 27,145,282 km (0.104 R)
• M25: 29,031,112 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.5

Radius: 13.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.53 AU - 5.11 AU

Year: 6198 Days

Day: 13.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,422,757 km

• M1: 167,998 km (0.112 R)
• M2: 592,408 km (0.048 R)
• M3: 1,954,347 km (0.106 R)
• M4: 3,803,077 km (0.045 R)
• M5: 4,447,545 km (0.119 R)
• M6: 4,951,690 km (0.034 R)
• M7: 5,516,421 km (0.097 R)
• M8: 9,462,365 km (0.108 R)
• M9: 10,685,028 km (0.046 R)
• M10: 12,202,848 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329

Radius: 8.6

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.3 AU - 5.74 AU

Year: 7764 Days

Day: 10.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,422,757 km

• M1: 106,962 km (0.081 R)
• M2: 695,032 km (0.098 R)
• M3: 1,003,652 km (0.112 R)
• M4: 1,316,461 km (0.086 R)
• M5: 1,593,666 km (0.028 R)
• M6: 2,515,787 km (0.079 R)
• M7: 3,044,616 km (0.037 R)
• M8: 3,346,205 km (0.114 R)
• M9: 4,104,816 km (0.12 R)
• M10: 4,398,327 km (0.109 R)
• M11: 5,110,862 km (0.081 R)
• M12: 5,393,452 km (0.091 R)
• M13: 6,433,756 km (0.088 R)
• M14: 6,967,072 km (0.099 R)
• M15: 8,008,872 km (0.114 R)
• M16: 8,825,676 km (0.073 R)
• M17: 9,275,218 km (0.085 R)
• M18: 10,853,774 km (0.106 R)
• M19: 13,174,187 km (0.067 R)
• M20: 17,404,067 km (0.031 R)
• M21: 19,514,444 km (0.074 R)
• M22: 21,132,943 km (0.053 R)
• M23: 22,235,480 km (0.079 R)
• M24: 24,554,845 km (0.088 R)
• M25: 31,425,277 km (0.09 R)
• M26: 31,708,765 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.2

Radius: 9.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5 AU - 5.6 AU

Year: 8422 Days

Day: 8.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,422,757 km

• M1: 129,103 km (0.101 R)
• M2: 653,593 km (0.099 R)
• M3: 977,323 km (0.103 R)
• M4: 2,726,122 km (0.111 R)
• M5: 5,475,282 km (0.071 R)
• M6: 6,931,169 km (0.098 R)
• M7: 8,101,921 km (0.107 R)
• M8: 12,945,601 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.1

Radius: 5

Gravity: 36.84 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9 AU - 10.64 AU

Year: 21241 Days

Day: 24.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 87,422,757 km

• M1: 62,233 km (0.109 R)
• M2: 368,908 km (0.03 R)
• M3: 670,946 km (0.101 R)
• M4: 906,413 km (0.081 R)
• M5: 1,510,789 km (0.073 R)
• M6: 2,305,004 km (0.066 R)
• M7: 4,595,796 km (0.118 R)
• M8: 5,125,672 km (0.099 R)
• M9: 6,396,805 km (0.119 R)
• M10: 6,627,485 km (0.081 R)
• M11: 7,203,586 km (0.1 R)
• M12: 8,237,158 km (0.06 R)
• M13: 9,844,886 km (0.087 R)
• M14: 10,340,055 km (0.096 R)
• M15: 11,380,060 km (0.096 R)
• M16: 12,134,332 km (0.082 R)
• M17: 13,215,925 km (0.112 R)
• M18: 13,666,065 km (0.116 R)
• M19: 14,126,228 km (0.087 R)
• M20: 14,438,887 km (0.059 R)
• M21: 22,115,203 km (0.102 R)
• M22: 25,753,124 km (0.06 R)
• M23: 27,652,568 km (0.116 R)
• M24: 31,594,472 km (0.067 R)
• M25: 32,805,467 km (0.115 R)
• M26: 33,491,373 km (0.089 R)
• M27: 34,327,027 km (0.067 R)
• M28: 36,185,182 km (0.077 R)
• M29: 37,659,469 km (0.058 R)
• M30: 39,173,250 km (0.111 R)
• M31: 39,945,175 km (0.115 R)
• M32: 47,878,350 km (0.111 R)
• M33: 50,557,498 km (0.037 R)
• M34: 50,922,068 km (0.069 R)
• M35: 56,603,197 km (0.117 R)
• M36: 56,996,340 km (0.098 R)
• M37: 57,788,012 km (0.032 R)
• M38: 65,245,615 km (0.075 R)
• M39: 65,461,485 km (0.107 R)
• M40: 66,329,601 km (0.09 R)
• M41: 76,630,911 km (0.081 R)
• M42: 78,567,156 km (0.092 R)
• M43: 80,287,980 km (0.178 R)
• M44: 82,285,262 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 14,892 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit