🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.9

Radius: 8.2

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.99 AU - 1.59 AU

Year: 977 Days

Day: 12.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,324,615 km

• M1: 104,120 km (0.081 R)
• M2: 457,620 km (0.083 R)
• M3: 1,394,252 km (0.102 R)
• M4: 2,142,391 km (0.106 R)
• M5: 2,398,054 km (0.118 R)
• M6: 2,743,625 km (0.119 R)
• M7: 3,186,435 km (0.12 R)
• M8: 3,704,941 km (0.069 R)
• M9: 4,106,462 km (0.11 R)
• M10: 5,413,349 km (0.098 R)
• M11: 5,951,153 km (0.104 R)
• M12: 6,672,963 km (0.105 R)
• M13: 7,200,744 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.6

Radius: 10.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.08 AU - 1.68 AU

Year: 1081 Days

Day: 14.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,324,615 km

• M1: 128,056 km (0.109 R)
• M2: 754,572 km (0.094 R)
• M3: 1,311,973 km (0.075 R)
• M4: 2,284,808 km (0.097 R)
• M5: 2,727,917 km (0.114 R)
• M6: 3,803,077 km (0.07 R)
• M7: 4,973,680 km (0.029 R)
• M8: 7,711,172 km (0.104 R)
• M9: 8,902,420 km (0.109 R)
• M10: 9,599,247 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.9

Radius: 14.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.8 AU - 1.98 AU

Year: 1733 Days

Day: 9.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,324,615 km

• M1: 175,329 km (0.115 R)
• M2: 674,537 km (0.114 R)
• M3: 1,203,814 km (0.094 R)
• M4: 1,723,667 km (0.085 R)
• M5: 2,343,002 km (0.083 R)
• M6: 4,017,600 km (0.046 R)
• M7: 4,901,125 km (0.04 R)
• M8: 5,837,608 km (0.116 R)
• M9: 6,755,541 km (0.052 R)
• M10: 7,797,191 km (0.076 R)
• M11: 8,248,976 km (0.093 R)
• M12: 8,814,157 km (0.11 R)
• M13: 10,057,764 km (0.113 R)
• M14: 10,887,883 km (0.036 R)
• M15: 11,491,959 km (0.057 R)
• M16: 13,654,546 km (0.065 R)
• M17: 14,313,075 km (0.097 R)
• M18: 16,124,706 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.3

Radius: 11

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.78 AU - 2.52 AU

Year: 2102 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,324,615 km

• M1: 141,071 km (0.071 R)
• M2: 1,235,379 km (0.037 R)
• M3: 2,077,316 km (0.112 R)
• M4: 2,660,000 km (0.088 R)
• M5: 4,001,294 km (0.12 R)
• M6: 6,606,541 km (0.098 R)
• M7: 8,416,975 km (0.09 R)
• M8: 9,087,921 km (0.041 R)
• M9: 9,622,883 km (0.068 R)
• M10: 11,896,771 km (0.116 R)
• M11: 13,032,817 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.6

Radius: 12.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.81 AU - 5.95 AU

Year: 7189 Days

Day: 6.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,324,615 km

• M1: 194,926 km (0.112 R)
• M2: 688,599 km (0.107 R)
• M3: 1,280,259 km (0.089 R)
• M4: 3,035,790 km (0.086 R)
• M5: 3,518,243 km (0.054 R)
• M6: 4,256,658 km (0.065 R)
• M7: 4,737,615 km (0.095 R)
• M8: 6,161,338 km (0.118 R)
• M9: 10,336,914 km (0.112 R)
• M10: 10,987,515 km (0.097 R)
• M11: 13,054,658 km (0.074 R)
• M12: 13,918,735 km (0.078 R)
• M13: 15,704,784 km (0.117 R)
• M14: 18,631,966 km (0.111 R)
• M15: 21,694,534 km (0.067 R)
• M16: 23,418,799 km (0.085 R)
• M17: 27,383,292 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.3

Radius: 14.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.4 AU - 6.08 AU

Year: 7999 Days

Day: 13.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,324,615 km

• M1: 182,659 km (0.082 R)
• M2: 2,434,556 km (0.116 R)
• M3: 3,265,722 km (0.074 R)
• M4: 4,061,433 km (0.093 R)
• M5: 5,582,843 km (0.084 R)
• M6: 6,166,723 km (0.112 R)
• M7: 9,550,178 km (0.101 R)
• M8: 10,388,226 km (0.103 R)
• M9: 12,933,783 km (0.063 R)
• M10: 18,615,211 km (0.032 R)
• M11: 20,708,085 km (0.097 R)
• M12: 25,192,281 km (0.079 R)
• M13: 26,964,119 km (0.044 R)
• M14: 28,908,143 km (0.071 R)
• M15: 29,637,732 km (0.118 R)
• M16: 30,944,020 km (0.077 R)
• M17: 32,385,845 km (0.075 R)
• M18: 32,876,226 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.8

Radius: 14.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.64 AU - 5.96 AU

Year: 8137 Days

Day: 9 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,324,615 km

• M1: 182,061 km (0.044 R)
• M2: 673,490 km (0.105 R)
• M3: 1,345,782 km (0.1 R)
• M4: 2,004,611 km (0.103 R)
• M5: 2,911,474 km (0.083 R)
• M6: 4,030,615 km (0.073 R)
• M7: 4,547,177 km (0.039 R)
• M8: 5,191,794 km (0.075 R)
• M9: 6,114,514 km (0.107 R)
• M10: 6,698,843 km (0.101 R)
• M11: 9,003,099 km (0.082 R)
• M12: 9,935,543 km (0.098 R)
• M13: 10,516,282 km (0.109 R)
• M14: 11,745,826 km (0.111 R)
• M15: 14,377,253 km (0.097 R)
• M16: 17,572,813 km (0.105 R)
• M17: 18,825,695 km (0.085 R)
• M18: 19,926,287 km (0.089 R)
• M19: 20,563,873 km (0.079 R)
• M20: 21,731,185 km (0.077 R)
• M21: 22,406,919 km (0.054 R)
• M22: 24,680,208 km (0.1 R)
• M23: 25,914,690 km (0.062 R)
• M24: 27,711,360 km (0.101 R)
• M25: 32,321,817 km (0.115 R)

Asteroid Belt

Center: 5.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.2

Radius: 7.2

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.37 AU - 6.45 AU

Year: 9581 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,324,615 km

• M1: 89,609 km (0.097 R)
• M2: 323,281 km (0.105 R)
• M3: 572,212 km (0.117 R)
• M4: 860,487 km (0.103 R)
• M5: 1,109,119 km (0.092 R)
• M6: 1,458,430 km (0.057 R)
• M7: 1,801,607 km (0.106 R)
• M8: 2,493,348 km (0.107 R)
• M9: 3,030,254 km (0.111 R)
• M10: 3,493,858 km (0.074 R)
• M11: 4,221,054 km (0.1 R)
• M12: 4,561,987 km (0.06 R)
• M13: 5,595,260 km (0.038 R)
• M14: 6,184,675 km (0.097 R)
• M15: 6,513,192 km (0.097 R)
• M16: 7,324,910 km (0.089 R)
• M17: 8,870,555 km (0.109 R)
• M18: 9,574,563 km (0.063 R)
• M19: 9,965,013 km (0.065 R)
• M20: 10,829,839 km (0.113 R)
• M21: 11,253,799 km (0.064 R)
• M22: 12,305,023 km (0.117 R)
• M23: 13,180,021 km (0.049 R)
• M24: 14,410,314 km (0.111 R)
• M25: 16,396,675 km (0.062 R)
• M26: 17,311,466 km (0.086 R)
• M27: 20,419,661 km (0.086 R)
• M28: 28,109,290 km (0.102 R)
• M29: 32,810,852 km (0.083 R)
• M30: 35,520,518 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.1

Radius: 3.4

Gravity: 53.99 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.56 AU - 11.94 AU

Year: 21883 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,324,615 km

• M1: 46,974 km (0.069 R)
• M2: 222,302 km (0.115 R)
• M3: 381,325 km (0.101 R)
• M4: 605,123 km (0.078 R)
• M5: 875,896 km (0.089 R)
• M6: 1,124,527 km (0.037 R)
• M7: 1,931,757 km (0.069 R)
• M8: 2,052,034 km (0.083 R)
• M9: 3,664,250 km (0.091 R)
• M10: 4,685,854 km (0.025 R)
• M11: 7,661,954 km (0.094 R)
• M12: 7,963,992 km (0.118 R)
• M13: 8,645,710 km (0.097 R)
• M14: 10,184,025 km (0.065 R)
• M15: 10,487,708 km (0.065 R)
• M16: 10,734,994 km (0.108 R)
• M17: 11,696,758 km (0.063 R)
• M18: 11,829,152 km (0.064 R)
• M19: 13,789,932 km (0.039 R)
• M20: 15,956,857 km (0.079 R)
• M21: 17,986,302 km (0.065 R)
• M22: 20,659,915 km (0.034 R)
• M23: 22,242,660 km (0.112 R)
• M24: 25,758,659 km (0.118 R)
• M25: 25,983,056 km (0.108 R)
• M26: 27,356,065 km (0.113 R)
• M27: 27,942,189 km (0.115 R)
• M28: 28,897,222 km (0.119 R)
• M29: 33,598,934 km (0.054 R)
• M30: 38,785,342 km (0.109 R)
• M31: 42,576,152 km (0.099 R)
• M32: 49,142,751 km (0.073 R)
• M33: 50,182,456 km (0.087 R)
• M34: 51,059,997 km (0.039 R)
• M35: 53,754,105 km (0.077 R)
• M36: 55,228,841 km (0.041 R)
• M37: 66,105,354 km (0.116 R)
• M38: 70,608,250 km (0.065 R)
• M39: 73,720,933 km (0.068 R)
• M40: 74,626,898 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 17,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit