🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988

Radius: 9.5

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.76 AU - 0.98 AU

Year: 560 Days

Day: 6.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,483,533 km

• M1: 118,182 km (0.118 R)
• M2: 479,461 km (0.088 R)
• M3: 873,352 km (0.112 R)
• M4: 1,222,663 km (0.044 R)
• M5: 1,714,092 km (0.081 R)
• M6: 2,080,308 km (0.116 R)
• M7: 2,584,752 km (0.115 R)
• M8: 3,219,346 km (0.104 R)
• M9: 3,853,043 km (0.095 R)
• M10: 5,172,945 km (0.095 R)
• M11: 5,773,879 km (0.071 R)
• M12: 6,081,602 km (0.061 R)
• M13: 6,543,261 km (0.104 R)
• M14: 6,878,061 km (0.118 R)
• M15: 7,673,473 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.9

Radius: 13.4

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,483,533 km

• M1: 166,652 km (0.069 R)
• M2: 795,113 km (0.109 R)
• M3: 1,355,207 km (0.098 R)
• M4: 1,845,140 km (0.065 R)
• M5: 2,709,816 km (0.109 R)
• M6: 3,184,340 km (0.06 R)
• M7: 4,341,330 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.2

Radius: 14.2

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.32 AU - 1.8 AU

Year: 1345 Days

Day: 8.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,483,533 km

• M1: 176,675 km (0.077 R)
• M2: 883,974 km (0.064 R)
• M3: 1,424,471 km (0.103 R)
• M4: 1,931,009 km (0.119 R)
• M5: 2,497,536 km (0.071 R)
• M6: 3,020,381 km (0.115 R)
• M7: 3,723,192 km (0.098 R)
• M8: 5,423,072 km (0.076 R)
• M9: 6,060,060 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.6

Radius: 11.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.68 AU - 6.18 AU

Year: 8734 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,483,533 km

• M1: 141,968 km (0.046 R)
• M2: 758,760 km (0.111 R)
• M3: 1,163,722 km (0.112 R)
• M4: 1,805,796 km (0.089 R)
• M5: 2,186,223 km (0.119 R)
• M6: 2,586,697 km (0.084 R)
• M7: 3,350,843 km (0.032 R)
• M8: 4,605,520 km (0.071 R)
• M9: 5,553,372 km (0.074 R)
• M10: 6,150,866 km (0.074 R)
• M11: 6,724,873 km (0.077 R)
• M12: 7,334,185 km (0.073 R)
• M13: 8,469,783 km (0.096 R)
• M14: 9,059,797 km (0.104 R)
• M15: 9,593,113 km (0.117 R)
• M16: 12,580,433 km (0.103 R)
• M17: 13,037,903 km (0.07 R)
• M18: 18,503,611 km (0.118 R)
• M19: 19,296,031 km (0.104 R)
• M20: 21,019,698 km (0.106 R)
• M21: 22,843,744 km (0.043 R)
• M22: 25,977,969 km (0.103 R)
• M23: 29,566,374 km (0.113 R)
• M24: 30,467,102 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677

Radius: 14.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.44 AU - 6.52 AU

Year: 8855 Days

Day: 9.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,483,533 km

• M1: 181,163 km (0.09 R)
• M2: 821,442 km (0.109 R)
• M3: 1,313,769 km (0.084 R)
• M4: 1,854,864 km (0.113 R)
• M5: 3,176,711 km (0.107 R)
• M6: 3,861,271 km (0.105 R)
• M7: 5,272,727 km (0.082 R)
• M8: 6,306,897 km (0.071 R)
• M9: 6,816,427 km (0.108 R)
• M10: 8,169,839 km (0.108 R)
• M11: 8,821,188 km (0.11 R)
• M12: 9,274,470 km (0.102 R)
• M13: 10,728,860 km (0.119 R)
• M14: 13,602,785 km (0.068 R)
• M15: 23,653,667 km (0.117 R)
• M16: 24,266,121 km (0.113 R)
• M17: 26,916,696 km (0.113 R)
• M18: 29,553,059 km (0.104 R)
• M19: 36,020,026 km (0.118 R)
• M20: 40,945,087 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.1

Radius: 7.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.44 AU - 6.76 AU

Year: 9147 Days

Day: 25 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,483,533 km

• M1: 102,175 km (0.115 R)
• M2: 394,639 km (0.096 R)
• M3: 903,272 km (0.114 R)
• M4: 2,470,908 km (0.056 R)
• M5: 3,383,006 km (0.115 R)
• M6: 4,167,198 km (0.104 R)
• M7: 5,534,672 km (0.119 R)
• M8: 12,247,129 km (0.101 R)
• M9: 19,556,780 km (0.067 R)
• M10: 21,613,302 km (0.085 R)
• M11: 22,620,694 km (0.108 R)
• M12: 23,734,450 km (0.109 R)
• M13: 27,460,484 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.1

Radius: 3.4

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.93 AU - 7.61 AU

Year: 10837 Days

Day: 22.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,483,533 km

• M1: 42,336 km (0.049 R)
• M2: 190,139 km (0.094 R)
• M3: 446,849 km (0.076 R)
• M4: 577,597 km (0.069 R)
• M5: 741,407 km (0.102 R)
• M6: 1,278,314 km (0.07 R)
• M7: 1,390,363 km (0.111 R)
• M8: 1,595,910 km (0.082 R)
• M9: 1,877,304 km (0.105 R)
• M10: 2,826,502 km (0.038 R)
• M11: 3,800,384 km (0.102 R)
• M12: 6,030,739 km (0.109 R)
• M13: 6,742,226 km (0.103 R)
• M14: 7,400,158 km (0.096 R)
• M15: 7,911,633 km (0.104 R)
• M16: 8,485,341 km (0.072 R)
• M17: 11,389,335 km (0.113 R)
• M18: 14,722,375 km (0.103 R)
• M19: 14,835,770 km (0.08 R)
• M20: 15,412,171 km (0.088 R)
• M21: 15,943,393 km (0.1 R)
• M22: 17,293,364 km (0.068 R)
• M23: 17,802,595 km (0.119 R)
• M24: 19,254,443 km (0.105 R)
• M25: 19,732,408 km (0.111 R)
• M26: 20,218,302 km (0.098 R)
• M27: 21,358,836 km (0.104 R)
• M28: 23,148,775 km (0.026 R)
• M29: 23,379,305 km (0.088 R)
• M30: 25,934,586 km (0.09 R)
• M31: 27,365,041 km (0.11 R)
• M32: 28,230,465 km (0.12 R)
• M33: 28,405,793 km (0.091 R)
• M34: 29,652,991 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.3

Radius: 7.1

Gravity: 15.78 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.43 AU - 10.03 AU

Year: 20950 Days

Day: 18.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,483,533 km

• M1: 653,443 km (0.11 R)
• M2: 1,256,024 km (0.094 R)
• M3: 1,486,853 km (0.109 R)
• M4: 2,015,831 km (0.116 R)
• M5: 2,519,228 km (0.057 R)
• M6: 3,241,786 km (0.075 R)
• M7: 3,590,798 km (0.095 R)
• M8: 4,901,125 km (0.099 R)
• M9: 5,441,024 km (0.092 R)
• M10: 7,398,063 km (0.113 R)
• M11: 8,918,726 km (0.116 R)
• M12: 10,636,857 km (0.109 R)
• M13: 11,277,286 km (0.106 R)
• M14: 12,776,406 km (0.056 R)
• M15: 14,098,103 km (0.114 R)
• M16: 15,670,826 km (0.07 R)
• M17: 17,620,086 km (0.115 R)
• M18: 18,790,390 km (0.109 R)
• M19: 20,691,031 km (0.113 R)
• M20: 27,510,450 km (0.085 R)
• M21: 28,714,713 km (0.078 R)
• M22: 29,828,319 km (0.09 R)
• M23: 30,970,499 km (0.11 R)
• M24: 32,405,592 km (0.091 R)
• M25: 33,072,349 km (0.103 R)
• M26: 35,973,052 km (0.093 R)
• M27: 36,687,831 km (0.103 R)
• M28: 38,293,764 km (0.086 R)
• M29: 39,189,107 km (0.093 R)
• M30: 46,018,848 km (0.076 R)
• M31: 51,226,948 km (0.117 R)
• M32: 52,679,245 km (0.11 R)
• M33: 56,814,579 km (0.119 R)
• M34: 57,200,840 km (0.105 R)
• M35: 58,370,396 km (0.115 R)
• M36: 66,149,934 km (0.112 R)
• M37: 70,064,761 km (0.097 R)
• M38: 74,824,068 km (0.098 R)
• M39: 81,009,341 km (0.138 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 10,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit