🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.66 AU - 0.68 AU

Year: 192 Days

Day: 32.4 Hours

Environment

Temp: 194 °C

Axial Tilt: 16.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.67 AU - 0.75 AU

Year: 209 Days

Day: 40.6 Hours

Environment

Temp: 145 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,652,860 km

• M1: 44,879 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.1

Radius: 12.4

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.29 AU - 9.03 AU

Year: 8155 Days

Day: 6.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 71.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,652,860 km

• M1: 158,723 km (0.085 R)
• M2: 816,356 km (0.119 R)
• M3: 1,289,234 km (0.062 R)
• M4: 2,009,099 km (0.073 R)
• M5: 2,698,596 km (0.104 R)
• M6: 3,857,979 km (0.089 R)
• M7: 4,579,041 km (0.105 R)
• M8: 5,231,438 km (0.059 R)
• M9: 5,911,210 km (0.05 R)
• M10: 7,972,968 km (0.114 R)
• M11: 8,874,295 km (0.047 R)
• M12: 10,278,122 km (0.057 R)
• M13: 10,828,492 km (0.062 R)
• M14: 12,152,433 km (0.051 R)
• M15: 13,820,450 km (0.097 R)
• M16: 14,306,194 km (0.054 R)
• M17: 16,230,621 km (0.082 R)
• M18: 17,394,941 km (0.113 R)
• M19: 19,965,930 km (0.107 R)
• M20: 20,823,874 km (0.059 R)
• M21: 22,949,211 km (0.104 R)
• M22: 23,717,546 km (0.103 R)
• M23: 24,857,481 km (0.109 R)
• M24: 28,790,709 km (0.105 R)
• M25: 29,185,647 km (0.098 R)
• M26: 29,584,325 km (0.088 R)
• M27: 30,392,303 km (0.087 R)
• M28: 31,736,889 km (0.085 R)
• M29: 35,102,542 km (0.062 R)
• M30: 39,787,648 km (0.093 R)
• M31: 40,401,149 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.8

Radius: 11.4

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.97 AU - 8.77 AU

Year: 8472 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,652,860 km

• M1: 224,846 km (0.114 R)
• M2: 587,022 km (0.054 R)
• M3: 2,090,929 km (0.069 R)
• M4: 2,706,375 km (0.107 R)
• M5: 3,100,865 km (0.118 R)
• M6: 5,299,056 km (0.118 R)
• M7: 5,921,233 km (0.087 R)
• M8: 6,555,079 km (0.093 R)
• M9: 6,926,381 km (0.117 R)
• M10: 9,227,047 km (0.034 R)
• M11: 9,599,695 km (0.118 R)
• M12: 10,932,612 km (0.119 R)
• M13: 11,403,247 km (0.084 R)
• M14: 11,887,346 km (0.096 R)
• M15: 13,422,519 km (0.108 R)
• M16: 15,801,425 km (0.096 R)
• M17: 23,124,988 km (0.109 R)
• M18: 27,087,836 km (0.099 R)
• M19: 28,145,044 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.7

Radius: 12.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.37 AU - 10.43 AU

Year: 11733 Days

Day: 6.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,652,860 km

• M1: 151,692 km (0.116 R)
• M2: 586,573 km (0.093 R)
• M3: 1,325,138 km (0.112 R)
• M4: 1,894,059 km (0.054 R)
• M5: 2,810,046 km (0.028 R)
• M6: 3,974,067 km (0.059 R)
• M7: 4,788,628 km (0.049 R)
• M8: 5,170,402 km (0.065 R)
• M9: 5,852,269 km (0.107 R)
• M10: 7,312,942 km (0.104 R)
• M11: 8,353,096 km (0.078 R)
• M12: 9,992,091 km (0.065 R)
• M13: 11,495,400 km (0.095 R)
• M14: 13,206,051 km (0.05 R)
• M15: 15,905,994 km (0.116 R)
• M16: 17,422,617 km (0.111 R)
• M17: 18,331,424 km (0.104 R)
• M18: 20,408,740 km (0.06 R)
• M19: 22,727,357 km (0.104 R)
• M20: 25,793,515 km (0.109 R)
• M21: 27,173,855 km (0.092 R)
• M22: 32,847,803 km (0.095 R)
• M23: 39,651,514 km (0.111 R)
• M24: 42,834,658 km (0.095 R)
• M25: 44,768,360 km (0.092 R)
• M26: 45,614,485 km (0.042 R)
• M27: 50,006,529 km (0.054 R)
• M28: 50,612,700 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.5

Radius: 8

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 13.28 AU - 20.38 AU

Year: 24155 Days

Day: 19.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 91,652,860 km

• M1: 99,632 km (0.086 R)
• M2: 662,569 km (0.042 R)
• M3: 1,181,674 km (0.094 R)
• M4: 2,749,010 km (0.075 R)
• M5: 3,295,641 km (0.117 R)
• M6: 5,375,201 km (0.092 R)
• M7: 6,641,846 km (0.112 R)
• M8: 8,312,555 km (0.077 R)
• M9: 9,571,122 km (0.083 R)
• M10: 10,499,078 km (0.073 R)
• M11: 11,690,326 km (0.116 R)
• M12: 13,642,428 km (0.087 R)
• M13: 14,104,087 km (0.114 R)
• M14: 14,977,440 km (0.076 R)
• M15: 16,657,125 km (0.118 R)
• M16: 17,452,387 km (0.113 R)
• M17: 20,187,634 km (0.097 R)
• M18: 21,917,285 km (0.094 R)
• M19: 26,019,109 km (0.089 R)
• M20: 26,610,020 km (0.11 R)
• M21: 35,847,988 km (0.083 R)
• M22: 41,179,207 km (0.09 R)
• M23: 42,305,380 km (0.117 R)
• M24: 48,957,998 km (0.102 R)
• M25: 50,039,740 km (0.101 R)
• M26: 60,502,016 km (0.104 R)
• M27: 61,330,340 km (0.111 R)
• M28: 64,504,208 km (0.105 R)
• M29: 71,177,021 km (0.092 R)
• M30: 73,031,137 km (0.066 R)
• M31: 73,734,696 km (0.086 R)
• M32: 78,786,317 km (0.044 R)
• M33: 82,279,427 km (0.067 R)
• M34: 86,396,211 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.5

Radius: 3.8

Gravity: 31.41 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 15.87 AU - 25.15 AU

Year: 32496 Days

Day: 16.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,652,860 km

• M1: 47,273 km (0.11 R)
• M2: 466,297 km (0.11 R)
• M3: 608,714 km (0.108 R)
• M4: 1,104,631 km (0.112 R)
• M5: 2,058,168 km (0.089 R)
• M6: 2,447,122 km (0.072 R)
• M7: 3,339,324 km (0.083 R)
• M8: 3,584,515 km (0.049 R)
• M9: 4,145,656 km (0.039 R)
• M10: 6,594,573 km (0.118 R)
• M11: 8,228,930 km (0.09 R)
• M12: 8,506,584 km (0.076 R)
• M13: 10,051,930 km (0.111 R)
• M14: 10,824,603 km (0.045 R)
• M15: 10,956,997 km (0.05 R)
• M16: 11,915,171 km (0.118 R)
• M17: 12,486,934 km (0.103 R)
• M18: 14,391,914 km (0.107 R)
• M19: 15,371,480 km (0.071 R)
• M20: 16,394,580 km (0.116 R)
• M21: 17,644,770 km (0.116 R)
• M22: 18,670,413 km (0.117 R)
• M23: 19,149,575 km (0.057 R)
• M24: 20,332,894 km (0.091 R)
• M25: 24,857,781 km (0.108 R)
• M26: 27,108,331 km (0.065 R)
• M27: 33,391,142 km (0.087 R)
• M28: 36,569,349 km (0.068 R)
• M29: 63,114,594 km (0.118 R)
• M30: 65,062,657 km (0.045 R)
• M31: 66,605,460 km (0.116 R)
• M32: 71,612,351 km (0.071 R)
• M33: 76,864,284 km (0.085 R)
• M34: 85,738,878 km (0.099 R)
• M35: 89,201,770 km (0.098 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 11,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit