🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.45 AU - 0.61 AU

Year: 142 Days

Day: 40 Hours

Environment

Temp: 199 °C

Axial Tilt: 118.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 12,301,362 km

• M1: 45,179 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.51 AU - 0.59 AU

Year: 150 Days

Day: 45.8 Hours

Environment

Temp: 220 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.6 AU - 0.74 AU

Year: 201 Days

Day: 28.9 Hours

Environment

Temp: 171 °C

Axial Tilt: 87.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.21 AU - 2.33 AU

Year: 1255 Days

Day: 23.2 Hours

Environment

Temp: -74 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,301,362 km

• M1: 346,020 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.8 AU - 2.84 AU

Year: 1738 Days

Day: 42.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.72 AU - 3.54 AU

Year: 2033 Days

Day: 44.8 Hours

Environment

Temp: -100 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 13.7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.74 AU - 6.04 AU

Year: 3970 Days

Day: 11.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 12,301,362 km

• M1: 216,767 km (0.091 R)
• M2: 315,801 km (0.061 R)
• M3: 464,801 km (0.115 R)
• M4: 756,965 km (0.065 R)
• M5: 888,911 km (0.094 R)
• M6: 1,248,095 km (0.099 R)
• M7: 1,559,259 km (0.051 R)
• M8: 1,962,275 km (0.066 R)
• M9: 2,132,966 km (0.11 R)
• M10: 2,326,396 km (0.09 R)
• M11: 3,118,966 km (0.091 R)
• M12: 3,238,644 km (0.09 R)
• M13: 3,360,118 km (0.069 R)
• M14: 4,296,600 km (0.072 R)
• M15: 4,475,370 km (0.097 R)
• M16: 4,656,533 km (0.102 R)
• M17: 4,748,087 km (0.1 R)
• M18: 4,956,327 km (0.118 R)
• M19: 5,430,104 km (0.026 R)
• M20: 5,672,452 km (0.111 R)
• M21: 5,770,289 km (0.043 R)
• M22: 5,943,224 km (0.11 R)
• M23: 6,117,655 km (0.105 R)
• M24: 6,677,451 km (0.105 R)
• M25: 6,859,062 km (0.112 R)
• M26: 7,147,786 km (0.096 R)
• M27: 7,440,400 km (0.071 R)
• M28: 7,682,898 km (0.108 R)
• M29: 8,258,850 km (0.094 R)
• M30: 8,538,149 km (0.085 R)
• M31: 8,820,440 km (0.118 R)
• M32: 9,192,191 km (0.07 R)
• M33: 9,715,335 km (0.043 R)
• M34: 9,833,068 km (0.102 R)
• M35: 9,980,721 km (0.1 R)
• M36: 10,338,110 km (0.116 R)
• M37: 10,790,794 km (0.072 R)
• M38: 11,466,677 km (0.089 R)
• M39: 11,653,375 km (0.114 R)
• M40: 12,634,139 km (0.093 R)
• M41: 12,923,910 km (0.074 R)
• M42: 13,020,999 km (0.107 R)
• M43: 14,138,046 km (0.105 R)
• M44: 14,506,057 km (0.098 R)
• M45: 14,640,695 km (0.074 R)
• M46: 14,741,823 km (0.12 R)
• M47: 15,354,127 km (0.078 R)
• M48: 15,905,395 km (0.077 R)
• M49: 16,009,515 km (0.072 R)
• M50: 16,428,240 km (0.047 R)
• M51: 17,347,668 km (0.11 R)
• M52: 17,526,438 km (0.072 R)
• M53: 18,320,054 km (0.12 R)
• M54: 18,978,285 km (0.087 R)
• M55: 19,162,440 km (0.069 R)
• M56: 19,347,343 km (0.12 R)
• M57: 19,495,595 km (0.101 R)
• M58: 20,092,490 km (0.119 R)
• M59: 20,242,686 km (0.056 R)
• M60: 21,534,165 km (0.074 R)
• M61: 21,726,248 km (0.112 R)
• M62: 21,841,888 km (0.086 R)
• M63: 21,996,273 km (0.105 R)
• M64: 22,345,135 km (0.096 R)
• M65: 23,284,161 km (0.048 R)
• M66: 24,476,156 km (0.099 R)
• M67: 25,200,958 km (0.106 R)
• M68: 25,728,739 km (0.069 R)
• M69: 26,424,369 km (0.111 R)
• M70: 26,836,512 km (0.068 R)
• M71: 27,542,165 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.8

Radius: 10.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.05 AU - 5.71 AU

Year: 4581 Days

Day: 13.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 12,301,362 km

• M1: 147,504 km (0.078 R)
• M2: 270,922 km (0.055 R)
• M3: 395,986 km (0.114 R)
• M4: 467,942 km (0.116 R)
• M5: 585,975 km (0.104 R)
• M6: 879,187 km (0.028 R)
• M7: 1,343,838 km (0.094 R)
• M8: 1,416,243 km (0.095 R)
• M9: 1,564,943 km (0.088 R)
• M10: 1,910,514 km (0.032 R)
• M11: 2,008,950 km (0.108 R)
• M12: 2,297,524 km (0.043 R)
• M13: 2,599,413 km (0.028 R)
• M14: 3,580,326 km (0.038 R)
• M15: 3,868,302 km (0.044 R)
• M16: 4,206,543 km (0.08 R)
• M17: 4,422,861 km (0.079 R)
• M18: 4,776,660 km (0.045 R)
• M19: 4,866,568 km (0.074 R)
• M20: 5,070,919 km (0.098 R)
• M21: 5,231,886 km (0.083 R)
• M22: 5,371,162 km (0.084 R)
• M23: 5,464,661 km (0.105 R)
• M24: 5,677,239 km (0.061 R)
• M25: 5,796,469 km (0.1 R)
• M26: 5,892,511 km (0.049 R)
• M27: 5,964,766 km (0.117 R)
• M28: 6,086,090 km (0.08 R)
• M29: 6,208,162 km (0.036 R)
• M30: 6,306,448 km (0.115 R)
• M31: 6,479,682 km (0.09 R)
• M32: 6,554,332 km (0.094 R)
• M33: 6,679,545 km (0.109 R)
• M34: 7,162,596 km (0.074 R)
• M35: 7,421,401 km (0.098 R)
• M36: 7,525,820 km (0.103 R)
• M37: 7,709,676 km (0.063 R)
• M38: 8,135,431 km (0.076 R)
• M39: 8,459,909 km (0.025 R)
• M40: 8,568,966 km (0.068 R)
• M41: 9,093,606 km (0.108 R)
• M42: 9,600,294 km (0.103 R)
• M43: 9,714,138 km (0.099 R)
• M44: 9,857,153 km (0.083 R)
• M45: 10,319,261 km (0.038 R)
• M46: 10,847,641 km (0.107 R)
• M47: 12,734,369 km (0.051 R)
• M48: 13,396,190 km (0.115 R)
• M49: 13,523,648 km (0.093 R)
• M50: 14,134,007 km (0.116 R)
• M51: 14,524,158 km (0.101 R)
• M52: 15,381,503 km (0.044 R)
• M53: 15,883,704 km (0.082 R)
• M54: 16,018,491 km (0.08 R)
• M55: 16,119,919 km (0.108 R)
• M56: 16,459,356 km (0.117 R)
• M57: 16,629,898 km (0.062 R)
• M58: 16,835,445 km (0.075 R)
• M59: 17,422,318 km (0.059 R)
• M60: 18,156,544 km (0.101 R)
• M61: 19,043,809 km (0.117 R)
• M62: 19,115,466 km (0.107 R)
• M63: 19,258,781 km (0.067 R)
• M64: 19,655,215 km (0.025 R)
• M65: 20,346,208 km (0.067 R)
• M66: 21,453,232 km (0.072 R)
• M67: 21,527,732 km (0.07 R)
• M68: 22,617,852 km (0.101 R)
• M69: 23,150,420 km (0.118 R)
• M70: 23,380,053 km (0.111 R)
• M71: 23,802,816 km (0.102 R)
• M72: 24,968,782 km (0.064 R)
• M73: 25,125,561 km (0.075 R)
• M74: 25,243,444 km (0.085 R)
• M75: 25,756,415 km (0.076 R)
• M76: 26,232,884 km (0.111 R)
• M77: 26,512,183 km (0.085 R)
• M78: 26,872,714 km (0.042 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31

Radius: 9.5

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.27 AU - 7.77 AU

Year: 6111 Days

Day: 5.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 12,301,362 km

• M1: 130,300 km (0.047 R)
• M2: 226,790 km (0.038 R)
• M3: 329,415 km (0.065 R)
• M4: 509,231 km (0.112 R)
• M5: 656,585 km (0.055 R)
• M6: 749,485 km (0.083 R)
• M7: 1,056,311 km (0.086 R)
• M8: 1,366,726 km (0.106 R)
• M9: 1,435,840 km (0.061 R)
• M10: 1,641,089 km (0.086 R)
• M11: 1,742,666 km (0.114 R)
• M12: 1,865,485 km (0.103 R)
• M13: 2,200,585 km (0.098 R)
• M14: 2,272,092 km (0.079 R)
• M15: 2,406,731 km (0.103 R)
• M16: 3,422,500 km (0.107 R)
• M17: 3,529,463 km (0.065 R)
• M18: 3,673,974 km (0.083 R)
• M19: 5,278,561 km (0.081 R)
• M20: 5,457,929 km (0.093 R)
• M21: 6,297,622 km (0.07 R)
• M22: 7,391,481 km (0.105 R)
• M23: 8,285,927 km (0.111 R)
• M24: 9,514,425 km (0.073 R)
• M25: 9,919,536 km (0.067 R)
• M26: 10,781,519 km (0.097 R)
• M27: 12,100,822 km (0.036 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: 448 - 18,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit