🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.9

Radius: 11.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.52 AU - 0.64 AU

Year: 310 Days

Day: 7.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,729,297 km

• M1: 141,968 km (0.073 R)
• M2: 538,552 km (0.095 R)
• M3: 1,025,045 km (0.119 R)
• M4: 1,424,920 km (0.082 R)
• M5: 1,784,403 km (0.066 R)
• M6: 2,568,595 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.3

Radius: 12

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.6 AU - 0.76 AU

Year: 394 Days

Day: 12.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,729,297 km

• M1: 150,944 km (0.095 R)
• M2: 546,182 km (0.119 R)
• M3: 1,066,483 km (0.105 R)
• M4: 1,469,649 km (0.111 R)
• M5: 1,843,195 km (0.102 R)
• M6: 2,779,080 km (0.082 R)
• M7: 3,774,953 km (0.106 R)
• M8: 4,251,422 km (0.086 R)
• M9: 5,637,596 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.1

Radius: 10.3

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.23 AU - 2.01 AU

Year: 1449 Days

Day: 14.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,729,297 km

• M1: 128,056 km (0.108 R)
• M2: 622,028 km (0.063 R)
• M3: 952,789 km (0.098 R)
• M4: 1,279,959 km (0.087 R)
• M5: 1,664,127 km (0.061 R)
• M6: 2,305,902 km (0.084 R)
• M7: 2,796,583 km (0.084 R)
• M8: 3,151,279 km (0.102 R)
• M9: 4,172,584 km (0.055 R)
• M10: 4,946,304 km (0.093 R)
• M11: 5,581,646 km (0.084 R)
• M12: 7,068,499 km (0.103 R)
• M13: 7,450,572 km (0.087 R)
• M14: 10,664,234 km (0.108 R)
• M15: 11,277,435 km (0.107 R)
• M16: 11,724,434 km (0.091 R)
• M17: 14,834,873 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.3

Radius: 13.4

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.69 AU - 3.59 AU

Year: 3911 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,729,297 km

• M1: 166,652 km (0.055 R)
• M2: 1,052,421 km (0.052 R)
• M3: 1,548,039 km (0.088 R)
• M4: 2,140,895 km (0.052 R)
• M5: 2,586,098 km (0.111 R)
• M6: 4,120,823 km (0.091 R)
• M7: 5,206,903 km (0.066 R)
• M8: 7,941,253 km (0.049 R)
• M9: 8,548,471 km (0.081 R)
• M10: 10,665,879 km (0.11 R)
• M11: 11,142,947 km (0.106 R)
• M12: 12,906,108 km (0.087 R)
• M13: 13,746,698 km (0.043 R)
• M14: 14,713,250 km (0.056 R)
• M15: 15,213,206 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.6

Radius: 11

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.06 AU - 4.46 AU

Year: 5125 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,729,297 km

• M1: 136,882 km (0.04 R)
• M2: 798,404 km (0.062 R)
• M3: 1,253,181 km (0.089 R)
• M4: 2,135,510 km (0.115 R)
• M5: 2,909,529 km (0.108 R)
• M6: 4,539,847 km (0.092 R)
• M7: 5,243,106 km (0.11 R)
• M8: 7,520,584 km (0.062 R)
• M9: 8,359,679 km (0.058 R)
• M10: 8,990,982 km (0.091 R)
• M11: 9,613,907 km (0.095 R)
• M12: 10,989,609 km (0.054 R)
• M13: 11,431,372 km (0.061 R)
• M14: 12,444,897 km (0.039 R)
• M15: 14,863,296 km (0.058 R)
• M16: 16,410,288 km (0.087 R)
• M17: 18,928,170 km (0.106 R)
• M18: 19,371,578 km (0.095 R)
• M19: 19,821,867 km (0.069 R)
• M20: 21,147,005 km (0.113 R)
• M21: 21,693,337 km (0.064 R)
• M22: 23,973,059 km (0.076 R)
• M23: 24,343,164 km (0.054 R)
• M24: 25,939,523 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28

Radius: 11.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.89 AU - 4.77 AU

Year: 6333 Days

Day: 14.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,729,297 km

• M1: 176,974 km (0.113 R)
• M2: 934,089 km (0.034 R)
• M3: 1,302,549 km (0.111 R)
• M4: 1,696,141 km (0.119 R)
• M5: 3,140,658 km (0.055 R)
• M6: 3,863,215 km (0.091 R)
• M7: 4,731,332 km (0.119 R)
• M8: 6,707,520 km (0.08 R)
• M9: 8,123,613 km (0.047 R)
• M10: 8,829,566 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.8

Radius: 13.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5 AU - 5.86 AU

Year: 8894 Days

Day: 9 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,729,297 km

• M1: 173,085 km (0.077 R)
• M2: 652,097 km (0.109 R)
• M3: 1,167,013 km (0.096 R)
• M4: 1,672,504 km (0.114 R)
• M5: 2,193,554 km (0.097 R)
• M6: 2,857,619 km (0.082 R)
• M7: 5,913,005 km (0.044 R)
• M8: 6,947,176 km (0.046 R)
• M9: 7,782,081 km (0.093 R)
• M10: 8,497,458 km (0.111 R)
• M11: 9,572,020 km (0.11 R)
• M12: 12,510,421 km (0.099 R)
• M13: 12,946,499 km (0.099 R)
• M14: 14,263,559 km (0.082 R)
• M15: 14,900,696 km (0.086 R)
• M16: 15,835,982 km (0.094 R)
• M17: 18,814,176 km (0.105 R)
• M18: 19,581,164 km (0.114 R)
• M19: 21,177,523 km (0.038 R)
• M20: 22,715,539 km (0.091 R)
• M21: 23,220,282 km (0.051 R)
• M22: 24,703,695 km (0.026 R)
• M23: 25,857,094 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.1

Radius: 7.9

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.28 AU - 7.94 AU

Year: 14757 Days

Day: 17.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,729,297 km

• M1: 98,286 km (0.116 R)
• M2: 838,945 km (0.09 R)
• M3: 1,213,089 km (0.089 R)
• M4: 1,476,830 km (0.109 R)
• M5: 3,817,289 km (0.063 R)
• M6: 4,266,830 km (0.059 R)
• M7: 4,954,831 km (0.104 R)
• M8: 6,591,432 km (0.09 R)
• M9: 6,975,001 km (0.089 R)
• M10: 12,169,936 km (0.074 R)
• M11: 13,209,642 km (0.052 R)
• M12: 13,682,670 km (0.07 R)
• M13: 14,662,686 km (0.112 R)
• M14: 15,613,829 km (0.101 R)
• M15: 17,882,929 km (0.054 R)
• M16: 20,452,572 km (0.088 R)
• M17: 20,722,447 km (0.057 R)
• M18: 21,453,531 km (0.116 R)
• M19: 22,296,366 km (0.039 R)
• M20: 22,870,373 km (0.096 R)
• M21: 23,161,042 km (0.118 R)
• M22: 23,948,375 km (0.101 R)
• M23: 24,957,413 km (0.115 R)
• M24: 32,460,943 km (0.068 R)
• M25: 34,578,949 km (0.062 R)
• M26: 39,922,885 km (0.119 R)
• M27: 41,627,403 km (0.077 R)
• M28: 42,060,937 km (0.119 R)
• M29: 45,028,959 km (0.082 R)
• M30: 46,099,930 km (0.099 R)
• M31: 46,564,132 km (0.096 R)
• M32: 54,248,377 km (0.052 R)
• M33: 57,939,255 km (0.095 R)
• M34: 64,264,253 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.2

Radius: 7.7

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.23 AU - 9.11 AU

Year: 17945 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,729,297 km

• M1: 95,743 km (0.082 R)
• M2: 690,245 km (0.104 R)
• M3: 1,316,461 km (0.11 R)
• M4: 2,295,579 km (0.087 R)
• M5: 4,557,948 km (0.096 R)
• M6: 4,952,438 km (0.119 R)
• M7: 6,720,834 km (0.109 R)
• M8: 11,507,966 km (0.111 R)
• M9: 12,554,104 km (0.114 R)
• M10: 16,449,034 km (0.084 R)
• M11: 17,614,850 km (0.039 R)
• M12: 21,170,941 km (0.089 R)
• M13: 30,690,302 km (0.117 R)
• M14: 36,306,954 km (0.106 R)
• M15: 58,067,311 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.2

Radius: 5.4

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.57 AU - 10.71 AU

Year: 21039 Days

Day: 24.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,729,297 km

• M1: 73,901 km (0.083 R)
• M2: 273,615 km (0.061 R)
• M3: 621,729 km (0.109 R)
• M4: 1,218,175 km (0.089 R)
• M5: 4,538,351 km (0.096 R)
• M6: 6,047,195 km (0.111 R)
• M7: 9,001,453 km (0.043 R)
• M8: 9,497,670 km (0.038 R)
• M9: 10,011,987 km (0.118 R)
• M10: 13,072,760 km (0.048 R)
• M11: 14,890,224 km (0.081 R)
• M12: 15,661,999 km (0.083 R)
• M13: 21,052,759 km (0.108 R)
• M14: 30,159,529 km (0.095 R)
• M15: 32,021,723 km (0.118 R)
• M16: 33,174,973 km (0.025 R)
• M17: 36,247,714 km (0.093 R)
• M18: 40,237,938 km (0.109 R)
• M19: 46,269,724 km (0.091 R)
• M20: 60,085,686 km (0.097 R)
• M21: 73,288,146 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 12,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit