🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 14.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2 AU - 2.3 AU

Year: 2102 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,351,471 km

• M1: 184,155 km (0.089 R)
• M2: 651,050 km (0.086 R)
• M3: 1,378,694 km (0.11 R)
• M4: 4,527,580 km (0.062 R)
• M5: 6,168,668 km (0.066 R)
• M6: 7,708,180 km (0.085 R)
• M7: 8,936,528 km (0.078 R)
• M8: 9,420,776 km (0.083 R)
• M9: 11,058,275 km (0.072 R)
• M10: 14,044,248 km (0.06 R)
• M11: 15,327,947 km (0.083 R)
• M12: 16,023,727 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.6

Radius: 12.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.74 AU - 3.88 AU

Year: 4016 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,351,471 km

• M1: 160,519 km (0.117 R)
• M2: 586,274 km (0.115 R)
• M3: 1,222,364 km (0.099 R)
• M4: 2,635,166 km (0.074 R)
• M5: 3,028,758 km (0.047 R)
• M6: 4,596,993 km (0.116 R)
• M7: 8,004,533 km (0.098 R)
• M8: 8,653,190 km (0.114 R)
• M9: 9,259,061 km (0.112 R)
• M10: 10,015,129 km (0.105 R)
• M11: 10,429,365 km (0.114 R)
• M12: 13,708,550 km (0.101 R)
• M13: 14,480,326 km (0.106 R)
• M14: 16,393,982 km (0.066 R)
• M15: 21,188,294 km (0.117 R)
• M16: 22,360,244 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.9

Radius: 12.7

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.24 AU - 4.26 AU

Year: 4843 Days

Day: 8.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,351,471 km

• M1: 158,125 km (0.087 R)
• M2: 766,240 km (0.054 R)
• M3: 1,235,978 km (0.092 R)
• M4: 3,180,900 km (0.109 R)
• M5: 5,265,995 km (0.072 R)
• M6: 5,802,901 km (0.086 R)
• M7: 7,636,074 km (0.12 R)
• M8: 8,288,021 km (0.071 R)
• M9: 9,055,758 km (0.111 R)
• M10: 14,530,890 km (0.063 R)
• M11: 15,419,801 km (0.119 R)
• M12: 19,806,908 km (0.084 R)
• M13: 20,760,744 km (0.089 R)
• M14: 21,178,870 km (0.093 R)
• M15: 22,686,667 km (0.071 R)
• M16: 27,388,079 km (0.107 R)
• M17: 27,806,953 km (0.046 R)
• M18: 28,916,221 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.4

Radius: 8.1

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.55 AU - 5.91 AU

Year: 9147 Days

Day: 9.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,351,471 km

• M1: 100,829 km (0.052 R)
• M2: 359,932 km (0.055 R)
• M3: 1,042,099 km (0.07 R)
• M4: 1,513,930 km (0.112 R)
• M5: 2,192,207 km (0.105 R)
• M6: 2,712,957 km (0.114 R)
• M7: 3,172,971 km (0.103 R)
• M8: 4,334,000 km (0.09 R)
• M9: 4,995,073 km (0.085 R)
• M10: 5,895,951 km (0.087 R)
• M11: 6,592,180 km (0.04 R)
• M12: 7,465,383 km (0.04 R)
• M13: 8,685,802 km (0.12 R)
• M14: 9,733,885 km (0.096 R)
• M15: 10,237,281 km (0.107 R)
• M16: 11,852,041 km (0.119 R)
• M17: 13,199,918 km (0.055 R)
• M18: 14,005,502 km (0.076 R)
• M19: 17,705,357 km (0.109 R)
• M20: 20,915,577 km (0.108 R)
• M21: 23,140,846 km (0.077 R)
• M22: 24,037,236 km (0.084 R)
• M23: 26,670,308 km (0.099 R)
• M24: 27,357,411 km (0.09 R)
• M25: 28,562,721 km (0.108 R)
• M26: 29,178,466 km (0.067 R)
• M27: 36,307,553 km (0.067 R)
• M28: 37,151,434 km (0.119 R)
• M29: 41,961,904 km (0.117 R)
• M30: 43,428,262 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279

Radius: 6.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.5 AU - 6.66 AU

Year: 9997 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 34,351,471 km

• M1: 85,420 km (0.117 R)
• M2: 354,248 km (0.071 R)
• M3: 657,333 km (0.039 R)
• M4: 921,074 km (0.034 R)
• M5: 1,501,065 km (0.103 R)
• M6: 1,893,161 km (0.08 R)
• M7: 2,402,991 km (0.092 R)
• M8: 2,960,542 km (0.109 R)
• M9: 4,620,629 km (0.1 R)
• M10: 4,840,090 km (0.07 R)
• M11: 7,473,760 km (0.107 R)
• M12: 7,738,548 km (0.077 R)
• M13: 11,178,102 km (0.077 R)
• M14: 11,625,101 km (0.115 R)
• M15: 12,875,590 km (0.104 R)
• M16: 13,366,869 km (0.091 R)
• M17: 13,757,469 km (0.104 R)
• M18: 14,098,403 km (0.067 R)
• M19: 15,950,275 km (0.03 R)
• M20: 16,453,223 km (0.078 R)
• M21: 18,229,249 km (0.09 R)
• M22: 20,790,813 km (0.102 R)
• M23: 21,618,987 km (0.028 R)
• M24: 23,582,758 km (0.112 R)
• M25: 24,732,866 km (0.116 R)
• M26: 25,152,638 km (0.081 R)
• M27: 26,353,011 km (0.104 R)
• M28: 26,878,848 km (0.109 R)
• M29: 29,146,004 km (0.113 R)
• M30: 30,469,646 km (0.036 R)
• M31: 30,855,159 km (0.111 R)
• M32: 31,439,339 km (0.088 R)
• M33: 32,529,608 km (0.08 R)
• M34: 33,134,881 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.9

Radius: 3.9

Gravity: 48.12 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.2 AU - 7.96 AU

Year: 11256 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 34,351,471 km

• M1: 49,517 km (0.119 R)
• M2: 175,927 km (0.118 R)
• M3: 373,097 km (0.104 R)
• M4: 498,311 km (0.094 R)
• M5: 651,948 km (0.04 R)
• M6: 1,353,861 km (0.119 R)
• M7: 1,551,480 km (0.089 R)
• M8: 2,204,923 km (0.044 R)
• M9: 2,398,503 km (0.119 R)
• M10: 3,780,338 km (0.1 R)
• M11: 4,940,470 km (0.085 R)
• M12: 5,980,624 km (0.108 R)
• M13: 7,583,415 km (0.089 R)
• M14: 7,846,259 km (0.107 R)
• M15: 8,343,821 km (0.078 R)
• M16: 8,958,668 km (0.072 R)
• M17: 9,552,422 km (0.101 R)
• M18: 12,552,009 km (0.106 R)
• M19: 12,796,452 km (0.026 R)
• M20: 13,612,509 km (0.098 R)
• M21: 14,529,693 km (0.098 R)
• M22: 17,150,199 km (0.089 R)
• M23: 17,832,216 km (0.077 R)
• M24: 19,656,861 km (0.111 R)
• M25: 21,689,597 km (0.069 R)
• M26: 22,847,185 km (0.108 R)
• M27: 23,211,456 km (0.109 R)
• M28: 29,794,660 km (0.105 R)
• M29: 32,696,559 km (0.083 R)
• M30: 33,626,011 km (0.109 R)
• M31: 34,453,586 km (0.106 R)
• M32: 35,781,268 km (0.034 R)
• M33: 36,395,965 km (0.102 R)
• M34: 38,282,245 km (0.096 R)
• M35: 44,471,109 km (0.101 R)
• M36: 50,367,209 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.4

Radius: 3.1

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.08 AU - 11.86 AU

Year: 22592 Days

Day: 16.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,351,471 km

• M1: 38,895 km (0.027 R)
• M2: 2,251,149 km (0.096 R)
• M3: 3,510,763 km (0.036 R)
• M4: 14,630,373 km (0.109 R)
• M5: 15,581,815 km (0.116 R)
• M6: 18,545,349 km (0.094 R)
• M7: 20,086,805 km (0.081 R)
• M8: 20,231,018 km (0.118 R)
• M9: 26,670,608 km (0.079 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 20,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit