🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.8

Radius: 8.2

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.9 AU - 1.16 AU

Year: 675 Days

Day: 13.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,019,441 km

• M1: 103,522 km (0.094 R)
• M2: 491,579 km (0.063 R)
• M3: 840,291 km (0.089 R)
• M4: 1,295,966 km (0.063 R)
• M5: 1,581,100 km (0.085 R)
• M6: 2,041,562 km (0.056 R)
• M7: 2,548,998 km (0.085 R)
• M8: 2,838,171 km (0.091 R)
• M9: 3,373,432 km (0.054 R)
• M10: 4,001,294 km (0.111 R)
• M11: 5,190,747 km (0.103 R)
• M12: 5,796,768 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.4

Radius: 10.5

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.18 AU - 1.48 AU

Year: 990 Days

Day: 6.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,019,441 km

• M1: 132,693 km (0.084 R)
• M2: 670,797 km (0.042 R)
• M3: 1,262,307 km (0.116 R)
• M4: 1,631,664 km (0.086 R)
• M5: 2,003,115 km (0.107 R)
• M6: 2,329,837 km (0.116 R)
• M7: 2,716,997 km (0.059 R)
• M8: 3,329,151 km (0.106 R)
• M9: 3,668,439 km (0.105 R)
• M10: 3,998,452 km (0.112 R)
• M11: 5,323,739 km (0.104 R)
• M12: 5,686,514 km (0.11 R)
• M13: 6,689,119 km (0.079 R)
• M14: 7,232,758 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.7

Radius: 12

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.12 AU - 2.34 AU

Year: 2150 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,019,441 km

• M1: 152,440 km (0.101 R)
• M2: 751,131 km (0.076 R)
• M3: 1,805,198 km (0.047 R)
• M4: 4,185,898 km (0.111 R)
• M5: 4,637,833 km (0.084 R)
• M6: 6,193,352 km (0.102 R)
• M7: 6,865,345 km (0.115 R)
• M8: 7,320,572 km (0.109 R)
• M9: 10,979,137 km (0.091 R)
• M10: 13,750,737 km (0.044 R)
• M11: 14,338,208 km (0.1 R)
• M12: 17,687,555 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.9

Radius: 10.2

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.44 AU - 2.72 AU

Year: 2676 Days

Day: 9.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,019,441 km

• M1: 126,859 km (0.097 R)
• M2: 634,295 km (0.116 R)
• M3: 1,105,827 km (0.053 R)
• M4: 1,453,343 km (0.078 R)
• M5: 1,983,069 km (0.093 R)
• M6: 2,683,187 km (0.075 R)
• M7: 3,082,763 km (0.098 R)
• M8: 3,412,776 km (0.066 R)
• M9: 3,824,769 km (0.091 R)
• M10: 4,504,841 km (0.093 R)
• M11: 4,908,755 km (0.098 R)
• M12: 5,287,986 km (0.103 R)
• M13: 8,317,043 km (0.037 R)
• M14: 9,529,833 km (0.031 R)
• M15: 10,427,121 km (0.104 R)
• M16: 11,257,539 km (0.104 R)
• M17: 11,919,510 km (0.081 R)
• M18: 12,259,994 km (0.086 R)
• M19: 14,538,071 km (0.091 R)
• M20: 15,981,541 km (0.082 R)
• M21: 16,605,962 km (0.116 R)
• M22: 16,924,157 km (0.074 R)
• M23: 18,238,224 km (0.115 R)
• M24: 19,209,264 km (0.035 R)
• M25: 20,034,596 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.3

Radius: 9

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.85 AU - 3.53 AU

Year: 3679 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,019,441 km

• M1: 112,348 km (0.088 R)
• M2: 402,269 km (0.07 R)
• M3: 884,273 km (0.053 R)
• M4: 1,323,193 km (0.081 R)
• M5: 1,617,602 km (0.102 R)
• M6: 2,051,585 km (0.101 R)
• M7: 2,594,326 km (0.096 R)
• M8: 3,043,569 km (0.094 R)
• M9: 3,543,974 km (0.113 R)
• M10: 4,188,591 km (0.114 R)
• M11: 4,539,248 km (0.061 R)
• M12: 4,858,939 km (0.039 R)
• M13: 5,461,369 km (0.062 R)
• M14: 6,083,547 km (0.107 R)
• M15: 7,071,791 km (0.077 R)
• M16: 9,324,435 km (0.102 R)
• M17: 9,681,376 km (0.092 R)
• M18: 10,592,128 km (0.04 R)
• M19: 10,980,783 km (0.047 R)
• M20: 12,873,046 km (0.116 R)
• M21: 13,167,156 km (0.073 R)
• M22: 13,667,261 km (0.064 R)
• M23: 14,546,598 km (0.028 R)
• M24: 16,019,987 km (0.087 R)
• M25: 18,567,789 km (0.097 R)
• M26: 19,133,418 km (0.12 R)
• M27: 22,135,249 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.1

Radius: 8.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.07 AU - 5.99 AU

Year: 8397 Days

Day: 12.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,019,441 km

• M1: 109,655 km (0.089 R)
• M2: 621,280 km (0.112 R)
• M3: 1,584,092 km (0.108 R)
• M4: 4,428,247 km (0.072 R)
• M5: 7,229,467 km (0.108 R)
• M6: 12,403,608 km (0.082 R)
• M7: 23,325,150 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 8.7

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.62 AU - 6.24 AU

Year: 9324 Days

Day: 5.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,019,441 km

• M1: 108,758 km (0.071 R)
• M2: 408,552 km (0.116 R)
• M3: 681,867 km (0.093 R)
• M4: 1,355,207 km (0.052 R)
• M5: 1,817,165 km (0.055 R)
• M6: 2,625,592 km (0.111 R)
• M7: 2,992,556 km (0.12 R)
• M8: 3,440,153 km (0.118 R)
• M9: 3,754,458 km (0.055 R)
• M10: 4,248,729 km (0.102 R)
• M11: 5,825,191 km (0.083 R)
• M12: 6,524,562 km (0.059 R)
• M13: 7,317,879 km (0.107 R)
• M14: 9,232,582 km (0.083 R)
• M15: 10,280,665 km (0.089 R)
• M16: 13,839,897 km (0.095 R)
• M17: 16,464,293 km (0.094 R)
• M18: 17,081,833 km (0.074 R)
• M19: 18,001,112 km (0.058 R)
• M20: 25,561,788 km (0.037 R)
• M21: 29,378,628 km (0.07 R)
• M22: 32,586,007 km (0.09 R)
• M23: 33,559,290 km (0.102 R)
• M24: 35,677,147 km (0.097 R)
• M25: 43,206,707 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.1

Radius: 7.9

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.52 AU - 7.66 AU

Year: 10923 Days

Day: 17.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,019,441 km

• M1: 98,286 km (0.042 R)
• M2: 390,600 km (0.05 R)
• M3: 774,767 km (0.056 R)
• M4: 1,570,927 km (0.107 R)
• M5: 2,627,387 km (0.083 R)
• M6: 3,170,727 km (0.118 R)
• M7: 3,761,638 km (0.059 R)
• M8: 5,543,200 km (0.091 R)
• M9: 5,978,230 km (0.037 R)
• M10: 6,471,903 km (0.108 R)
• M11: 8,900,924 km (0.11 R)
• M12: 9,686,761 km (0.111 R)
• M13: 11,825,562 km (0.098 R)
• M14: 13,773,177 km (0.099 R)
• M15: 17,644,321 km (0.117 R)
• M16: 18,002,458 km (0.08 R)
• M17: 18,585,441 km (0.1 R)
• M18: 19,789,106 km (0.045 R)
• M19: 20,253,607 km (0.104 R)
• M20: 21,043,932 km (0.091 R)
• M21: 23,538,327 km (0.101 R)
• M22: 25,488,186 km (0.081 R)
• M23: 25,853,953 km (0.117 R)
• M24: 26,595,958 km (0.041 R)
• M25: 27,066,892 km (0.105 R)
• M26: 29,505,338 km (0.102 R)
• M27: 33,486,436 km (0.06 R)
• M28: 33,925,356 km (0.077 R)
• M29: 35,039,112 km (0.067 R)
• M30: 38,287,481 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.6

Radius: 4.5

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.59 AU - 12.17 AU

Year: 20052 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,019,441 km

• M1: 59,091 km (0.117 R)
• M2: 252,970 km (0.109 R)
• M3: 640,428 km (0.068 R)
• M4: 1,835,267 km (0.117 R)
• M5: 2,253,692 km (0.077 R)
• M6: 3,678,911 km (0.107 R)
• M7: 4,488,535 km (0.079 R)
• M8: 5,970,152 km (0.057 R)
• M9: 6,452,455 km (0.088 R)
• M10: 6,880,455 km (0.081 R)
• M11: 8,233,418 km (0.119 R)
• M12: 11,010,702 km (0.094 R)
• M13: 11,396,665 km (0.103 R)
• M14: 13,840,645 km (0.085 R)
• M15: 15,422,044 km (0.065 R)
• M16: 21,729,988 km (0.08 R)
• M17: 36,479,291 km (0.089 R)
• M18: 37,089,800 km (0.069 R)
• M19: 39,343,791 km (0.067 R)
• M20: 41,820,234 km (0.115 R)
• M21: 43,847,286 km (0.098 R)
• M22: 48,388,778 km (0.079 R)
• M23: 48,977,595 km (0.066 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: 454 - 10,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit