🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.5

Radius: 12.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.69 AU - 0.75 AU

Year: 394 Days

Day: 12.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,502,233 km

• M1: 150,495 km (0.055 R)
• M2: 527,632 km (0.093 R)
• M3: 1,007,841 km (0.107 R)
• M4: 1,398,291 km (0.099 R)
• M5: 2,170,067 km (0.077 R)
• M6: 2,747,514 km (0.108 R)
• M7: 3,468,427 km (0.104 R)
• M8: 4,176,473 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.4

Radius: 9.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.79 AU - 0.89 AU

Year: 497 Days

Day: 8.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,502,233 km

• M1: 116,836 km (0.083 R)
• M2: 413,489 km (0.083 R)
• M3: 785,838 km (0.073 R)
• M4: 1,324,240 km (0.104 R)
• M5: 1,796,820 km (0.051 R)
• M6: 2,094,071 km (0.114 R)
• M7: 3,453,317 km (0.096 R)
• M8: 4,151,939 km (0.118 R)
• M9: 5,077,501 km (0.06 R)

Asteroid Belt

Center: 1.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.4

Radius: 14.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.98 AU - 3.24 AU

Year: 2723 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,502,233 km

• M1: 184,155 km (0.069 R)
• M2: 689,796 km (0.117 R)
• M3: 1,212,790 km (0.106 R)
• M4: 1,784,104 km (0.087 R)
• M5: 2,856,272 km (0.117 R)
• M6: 4,409,996 km (0.031 R)
• M7: 5,561,600 km (0.098 R)
• M8: 6,222,224 km (0.043 R)
• M9: 7,083,758 km (0.076 R)
• M10: 9,999,122 km (0.091 R)
• M11: 10,938,447 km (0.082 R)
• M12: 11,596,677 km (0.116 R)
• M13: 12,150,937 km (0.104 R)
• M14: 12,633,690 km (0.117 R)
• M15: 19,713,259 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 12

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.57 AU - 3.79 AU

Year: 3661 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,502,233 km

• M1: 151,243 km (0.116 R)
• M2: 666,758 km (0.11 R)
• M3: 1,136,944 km (0.1 R)
• M4: 1,964,070 km (0.056 R)
• M5: 2,383,244 km (0.101 R)
• M6: 2,969,069 km (0.051 R)
• M7: 3,979,453 km (0.082 R)
• M8: 9,893,356 km (0.119 R)
• M9: 10,541,115 km (0.106 R)
• M10: 10,950,863 km (0.093 R)
• M11: 12,572,504 km (0.064 R)
• M12: 13,289,826 km (0.077 R)
• M13: 14,348,829 km (0.106 R)
• M14: 15,798,882 km (0.034 R)
• M15: 16,286,870 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.2

Radius: 12.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.67 AU - 4.45 AU

Year: 5282 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,502,233 km

• M1: 166,951 km (0.108 R)
• M2: 678,576 km (0.103 R)
• M3: 1,476,681 km (0.042 R)
• M4: 1,983,369 km (0.06 R)
• M5: 4,339,984 km (0.091 R)
• M6: 7,115,324 km (0.064 R)
• M7: 10,190,457 km (0.119 R)
• M8: 10,952,808 km (0.114 R)
• M9: 16,470,726 km (0.054 R)
• M10: 16,897,977 km (0.096 R)
• M11: 18,747,156 km (0.104 R)
• M12: 19,146,134 km (0.113 R)
• M13: 21,586,973 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.7

Radius: 7.4

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.03 AU - 7.09 AU

Year: 9632 Days

Day: 16.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,502,233 km

• M1: 92,003 km (0.106 R)
• M2: 648,656 km (0.083 R)
• M3: 1,176,288 km (0.067 R)
• M4: 1,769,444 km (0.094 R)
• M5: 2,773,395 km (0.099 R)
• M6: 3,660,959 km (0.116 R)
• M7: 5,598,102 km (0.089 R)
• M8: 7,533,001 km (0.086 R)
• M9: 9,824,990 km (0.102 R)
• M10: 10,437,294 km (0.1 R)
• M11: 11,625,849 km (0.059 R)
• M12: 17,214,676 km (0.091 R)
• M13: 20,054,642 km (0.116 R)
• M14: 23,911,424 km (0.063 R)
• M15: 24,184,740 km (0.07 R)
• M16: 26,838,456 km (0.072 R)
• M17: 28,643,205 km (0.055 R)
• M18: 29,158,570 km (0.085 R)
• M19: 37,772,266 km (0.049 R)
• M20: 38,267,435 km (0.081 R)
• M21: 42,921,275 km (0.113 R)
• M22: 45,383,805 km (0.068 R)
• M23: 46,507,884 km (0.05 R)
• M24: 47,938,787 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.4

Radius: 4

Gravity: 44.28 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.17 AU - 8.43 AU

Year: 14066 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,502,233 km

• M1: 50,414 km (0.098 R)
• M2: 192,832 km (0.103 R)
• M3: 322,832 km (0.082 R)
• M4: 550,819 km (0.096 R)
• M5: 933,042 km (0.065 R)
• M6: 1,300,454 km (0.102 R)
• M7: 1,950,158 km (0.071 R)
• M8: 2,175,751 km (0.071 R)
• M9: 2,769,954 km (0.053 R)
• M10: 3,438,956 km (0.07 R)
• M11: 3,573,893 km (0.088 R)
• M12: 5,089,020 km (0.118 R)
• M13: 5,929,312 km (0.102 R)
• M14: 6,162,983 km (0.095 R)
• M15: 7,159,305 km (0.111 R)
• M16: 7,649,837 km (0.1 R)
• M17: 8,747,735 km (0.103 R)
• M18: 11,428,679 km (0.11 R)
• M19: 17,292,616 km (0.06 R)
• M20: 17,849,569 km (0.101 R)
• M21: 20,197,657 km (0.084 R)
• M22: 20,372,836 km (0.031 R)
• M23: 23,799,824 km (0.09 R)
• M24: 26,320,848 km (0.114 R)
• M25: 26,634,854 km (0.11 R)
• M26: 27,057,318 km (0.065 R)
• M27: 32,123,300 km (0.086 R)
• M28: 35,447,215 km (0.035 R)
• M29: 49,113,579 km (0.111 R)
• M30: 51,850,622 km (0.101 R)
• M31: 58,688,292 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.1

Radius: 3.8

Gravity: 66.97 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.16 AU - 10.14 AU

Year: 15023 Days

Day: 15.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,502,233 km

• M1: 47,273 km (0.108 R)
• M2: 166,054 km (0.106 R)
• M3: 285,134 km (0.101 R)
• M4: 431,590 km (0.062 R)
• M5: 709,393 km (0.079 R)
• M6: 1,021,604 km (0.113 R)
• M7: 1,271,881 km (0.061 R)
• M8: 2,047,097 km (0.109 R)
• M9: 3,174,168 km (0.082 R)
• M10: 4,976,672 km (0.083 R)
• M11: 6,953,010 km (0.054 R)
• M12: 7,088,695 km (0.089 R)
• M13: 7,553,795 km (0.055 R)
• M14: 9,844,288 km (0.073 R)
• M15: 11,902,755 km (0.097 R)
• M16: 13,100,734 km (0.091 R)
• M17: 13,517,364 km (0.107 R)
• M18: 16,523,085 km (0.059 R)
• M19: 17,588,371 km (0.091 R)
• M20: 18,009,938 km (0.082 R)
• M21: 20,403,953 km (0.091 R)
• M22: 20,869,501 km (0.118 R)
• M23: 23,811,942 km (0.109 R)
• M24: 33,884,067 km (0.117 R)
• M25: 35,597,561 km (0.072 R)
• M26: 36,001,027 km (0.106 R)
• M27: 40,204,877 km (0.106 R)
• M28: 41,675,723 km (0.119 R)
• M29: 44,412,915 km (0.053 R)
• M30: 47,105,826 km (0.036 R)
• M31: 49,070,794 km (0.09 R)
• M32: 53,338,822 km (0.099 R)
• M33: 54,221,150 km (0.092 R)
• M34: 62,604,016 km (0.066 R)
• M35: 69,690,916 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.1

Radius: 5.1

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.52 AU - 12.64 AU

Year: 22220 Days

Day: 20.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 179.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,502,233 km

• M1: 63,429 km (0.105 R)
• M2: 240,553 km (0.083 R)
• M3: 474,973 km (0.061 R)
• M4: 916,287 km (0.104 R)
• M5: 1,812,977 km (0.05 R)
• M6: 2,249,952 km (0.103 R)
• M7: 4,040,040 km (0.101 R)
• M8: 4,210,432 km (0.109 R)
• M9: 6,115,112 km (0.051 R)
• M10: 6,454,699 km (0.115 R)
• M11: 7,007,912 km (0.104 R)
• M12: 7,896,224 km (0.099 R)
• M13: 8,482,349 km (0.069 R)
• M14: 11,912,179 km (0.095 R)
• M15: 13,674,592 km (0.071 R)
• M16: 17,182,961 km (0.101 R)
• M17: 17,556,208 km (0.035 R)
• M18: 19,023,912 km (0.116 R)
• M19: 19,828,300 km (0.108 R)
• M20: 28,012,052 km (0.105 R)
• M21: 35,477,285 km (0.051 R)
• M22: 41,974,769 km (0.081 R)
• M23: 47,886,877 km (0.107 R)
• M24: 50,887,361 km (0.11 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: 206 - 16,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit