🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.9

Radius: 14.7

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.63 AU - 0.93 AU

Year: 484 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 88,239,270 km

• M1: 182,958 km (0.092 R)
• M2: 644,019 km (0.092 R)
• M3: 1,110,166 km (0.102 R)
• M4: 1,596,808 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.3

Radius: 11.8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.64 AU - 0.98 AU

Year: 512 Days

Day: 10.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,239,270 km

• M1: 146,905 km (0.097 R)
• M2: 543,040 km (0.102 R)
• M3: 1,008,439 km (0.066 R)
• M4: 1,418,038 km (0.105 R)
• M5: 1,891,366 km (0.117 R)
• M6: 2,479,734 km (0.069 R)
• M7: 3,198,851 km (0.037 R)
• M8: 3,640,165 km (0.115 R)
• M9: 4,364,069 km (0.077 R)
• M10: 5,584,339 km (0.106 R)
• M11: 6,025,952 km (0.039 R)
• M12: 6,396,057 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.7

Radius: 12.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.51 AU - 1.67 AU

Year: 1409 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,239,270 km

• M1: 167,250 km (0.071 R)
• M2: 1,252,882 km (0.115 R)
• M3: 1,882,839 km (0.118 R)
• M4: 2,540,770 km (0.089 R)
• M5: 3,611,143 km (0.083 R)
• M6: 4,222,101 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.9

Radius: 8.4

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.27 AU - 2.41 AU

Year: 2516 Days

Day: 5.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,239,270 km

• M1: 104,419 km (0.078 R)
• M2: 367,113 km (0.082 R)
• M3: 635,043 km (0.12 R)
• M4: 1,273,826 km (0.105 R)
• M5: 2,007,753 km (0.111 R)
• M6: 2,345,395 km (0.071 R)
• M7: 2,752,302 km (0.108 R)
• M8: 3,259,139 km (0.032 R)
• M9: 3,866,955 km (0.12 R)
• M10: 4,965,453 km (0.119 R)
• M11: 5,282,301 km (0.11 R)
• M12: 6,065,595 km (0.09 R)
• M13: 6,658,452 km (0.108 R)
• M14: 7,540,032 km (0.111 R)
• M15: 8,462,901 km (0.114 R)
• M16: 9,166,909 km (0.062 R)
• M17: 10,024,254 km (0.111 R)
• M18: 10,492,196 km (0.119 R)
• M19: 13,145,614 km (0.09 R)
• M20: 13,944,915 km (0.117 R)
• M21: 15,331,239 km (0.056 R)
• M22: 16,970,831 km (0.093 R)
• M23: 17,804,690 km (0.113 R)
• M24: 18,375,555 km (0.101 R)
• M25: 18,723,969 km (0.094 R)
• M26: 19,135,961 km (0.05 R)
• M27: 21,351,206 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.8

Radius: 14.4

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.64 AU - 2.8 AU

Year: 3153 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,239,270 km

• M1: 179,218 km (0.062 R)
• M2: 740,958 km (0.096 R)
• M3: 1,201,121 km (0.114 R)
• M4: 1,766,900 km (0.057 R)
• M5: 2,320,562 km (0.109 R)
• M6: 3,253,006 km (0.117 R)
• M7: 3,908,394 km (0.119 R)
• M8: 4,910,401 km (0.082 R)
• M9: 5,485,604 km (0.064 R)
• M10: 6,418,497 km (0.057 R)
• M11: 7,138,960 km (0.102 R)
• M12: 7,648,790 km (0.072 R)
• M13: 8,285,777 km (0.117 R)
• M14: 9,704,863 km (0.081 R)
• M15: 10,737,387 km (0.094 R)
• M16: 12,742,148 km (0.084 R)
• M17: 14,326,838 km (0.096 R)
• M18: 16,750,324 km (0.105 R)
• M19: 18,889,274 km (0.072 R)
• M20: 21,139,675 km (0.103 R)
• M21: 21,597,145 km (0.032 R)
• M22: 22,599,900 km (0.072 R)
• M23: 23,216,393 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 12.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.7 AU - 3.76 AU

Year: 5064 Days

Day: 8.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,239,270 km

• M1: 152,141 km (0.101 R)
• M2: 542,891 km (0.101 R)
• M3: 1,010,234 km (0.106 R)
• M4: 1,711,848 km (0.079 R)
• M5: 2,135,360 km (0.103 R)
• M6: 2,524,464 km (0.11 R)
• M7: 2,923,142 km (0.057 R)
• M8: 3,322,419 km (0.092 R)
• M9: 5,243,555 km (0.078 R)
• M10: 6,024,157 km (0.094 R)
• M11: 7,160,053 km (0.097 R)
• M12: 7,704,440 km (0.115 R)
• M13: 8,276,353 km (0.12 R)
• M14: 8,999,957 km (0.107 R)
• M15: 13,106,718 km (0.07 R)
• M16: 14,830,684 km (0.052 R)
• M17: 15,777,339 km (0.114 R)
• M18: 17,272,421 km (0.095 R)
• M19: 18,724,118 km (0.078 R)
• M20: 21,793,867 km (0.065 R)
• M21: 25,267,380 km (0.066 R)
• M22: 27,397,204 km (0.117 R)
• M23: 27,837,022 km (0.068 R)
• M24: 32,597,526 km (0.069 R)
• M25: 33,290,613 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 11

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.66 AU - 4.7 AU

Year: 6007 Days

Day: 13 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,239,270 km

• M1: 136,882 km (0.079 R)
• M2: 632,949 km (0.032 R)
• M3: 1,009,486 km (0.1 R)
• M4: 1,662,332 km (0.074 R)
• M5: 2,084,946 km (0.086 R)
• M6: 2,901,301 km (0.057 R)
• M7: 3,311,498 km (0.114 R)
• M8: 3,693,721 km (0.099 R)
• M9: 9,404,470 km (0.097 R)
• M10: 11,556,136 km (0.087 R)
• M11: 13,854,109 km (0.108 R)
• M12: 16,502,440 km (0.075 R)
• M13: 16,995,216 km (0.09 R)
• M14: 17,497,865 km (0.085 R)
• M15: 18,864,441 km (0.094 R)
• M16: 20,230,868 km (0.096 R)
• M17: 20,582,573 km (0.075 R)
• M18: 24,486,479 km (0.065 R)
• M19: 27,034,579 km (0.111 R)
• M20: 30,577,206 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.9

Radius: 8.9

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.71 AU - 6.15 AU

Year: 7694 Days

Day: 5.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,239,270 km

• M1: 110,852 km (0.082 R)
• M2: 480,957 km (0.113 R)
• M3: 768,634 km (0.086 R)
• M4: 1,155,494 km (0.071 R)
• M5: 1,500,018 km (0.046 R)
• M6: 2,035,578 km (0.114 R)
• M7: 2,618,262 km (0.086 R)
• M8: 3,648,542 km (0.069 R)
• M9: 4,113,792 km (0.117 R)
• M10: 4,400,721 km (0.096 R)
• M11: 6,450,062 km (0.105 R)
• M12: 6,731,156 km (0.094 R)
• M13: 7,057,280 km (0.097 R)
• M14: 8,221,600 km (0.085 R)
• M15: 9,065,781 km (0.106 R)
• M16: 9,554,068 km (0.077 R)
• M17: 11,788,761 km (0.093 R)
• M18: 16,338,032 km (0.073 R)
• M19: 16,994,917 km (0.11 R)
• M20: 19,071,485 km (0.102 R)
• M21: 21,003,391 km (0.098 R)
• M22: 21,311,713 km (0.04 R)
• M23: 26,397,143 km (0.101 R)
• M24: 26,937,341 km (0.113 R)
• M25: 28,980,997 km (0.048 R)
• M26: 31,627,832 km (0.117 R)
• M27: 35,293,130 km (0.047 R)
• M28: 38,307,228 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.3

Radius: 5.7

Gravity: 29.9 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.09 AU - 5.91 AU

Year: 9067 Days

Day: 16 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 88,239,270 km

• M1: 88,113 km (0.027 R)
• M2: 550,819 km (0.111 R)
• M3: 848,519 km (0.118 R)
• M4: 1,645,427 km (0.051 R)
• M5: 1,964,669 km (0.067 R)
• M6: 2,267,904 km (0.119 R)
• M7: 2,643,245 km (0.033 R)
• M8: 3,151,878 km (0.081 R)
• M9: 3,829,705 km (0.091 R)
• M10: 4,332,803 km (0.051 R)
• M11: 5,168,606 km (0.113 R)
• M12: 5,817,861 km (0.118 R)
• M13: 6,558,520 km (0.044 R)
• M14: 8,315,547 km (0.088 R)
• M15: 9,012,673 km (0.092 R)
• M16: 10,001,665 km (0.1 R)
• M17: 10,682,036 km (0.037 R)
• M18: 10,951,761 km (0.093 R)
• M19: 11,448,875 km (0.077 R)
• M20: 12,251,766 km (0.088 R)
• M21: 13,276,362 km (0.11 R)
• M22: 13,969,000 km (0.118 R)
• M23: 14,487,656 km (0.111 R)
• M24: 15,019,177 km (0.035 R)
• M25: 15,770,907 km (0.077 R)
• M26: 16,836,193 km (0.098 R)
• M27: 19,030,196 km (0.089 R)
• M28: 20,649,892 km (0.112 R)
• M29: 21,664,464 km (0.081 R)
• M30: 22,096,952 km (0.119 R)
• M31: 24,532,256 km (0.076 R)
• M32: 36,185,331 km (0.059 R)
• M33: 36,794,045 km (0.043 R)
• M34: 40,329,192 km (0.105 R)
• M35: 44,499,981 km (0.105 R)
• M36: 45,621,217 km (0.088 R)
• M37: 46,904,916 km (0.099 R)
• M38: 47,193,341 km (0.084 R)
• M39: 48,653,715 km (0.104 R)
• M40: 50,294,505 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.7

Radius: 3.3

Gravity: 90.33 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.02 AU - 10.14 AU

Year: 20843 Days

Day: 20.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 88,239,270 km

• M1: 41,289 km (0.078 R)
• M2: 165,006 km (0.109 R)
• M3: 327,021 km (0.116 R)
• M4: 555,457 km (0.119 R)
• M5: 685,009 km (0.114 R)
• M6: 869,612 km (0.065 R)
• M7: 1,006,046 km (0.109 R)
• M8: 1,701,077 km (0.1 R)
• M9: 3,040,876 km (0.094 R)
• M10: 3,822,525 km (0.1 R)
• M11: 3,986,933 km (0.116 R)
• M12: 4,155,978 km (0.052 R)
• M13: 4,544,933 km (0.107 R)
• M14: 6,436,448 km (0.109 R)
• M15: 7,708,778 km (0.114 R)
• M16: 9,493,481 km (0.094 R)
• M17: 10,417,547 km (0.1 R)
• M18: 11,809,555 km (0.111 R)
• M19: 18,063,195 km (0.063 R)
• M20: 19,475,399 km (0.077 R)
• M21: 20,858,431 km (0.093 R)
• M22: 25,861,582 km (0.055 R)
• M23: 28,142,052 km (0.083 R)
• M24: 28,265,620 km (0.034 R)
• M25: 30,814,618 km (0.115 R)
• M26: 33,512,616 km (0.109 R)
• M27: 35,204,568 km (0.113 R)
• M28: 38,453,085 km (0.114 R)
• M29: 38,911,005 km (0.034 R)
• M30: 40,463,531 km (0.046 R)
• M31: 42,542,942 km (0.119 R)
• M32: 44,524,515 km (0.103 R)
• M33: 52,130,071 km (0.091 R)
• M34: 53,634,277 km (0.092 R)
• M35: 53,824,267 km (0.111 R)
• M36: 54,781,244 km (0.081 R)
• M37: 58,320,281 km (0.081 R)
• M38: 59,126,913 km (0.062 R)
• M39: 73,531,093 km (0.07 R)
• M40: 81,788,447 km (0.1 R)
• M41: 83,306,865 km (0.105 R)
• M42: 84,329,516 km (0.118 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 12,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit