🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.2

Radius: 9.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.47 AU - 0.65 AU

Year: 279 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,057,119 km

• M1: 115,639 km (0.119 R)
• M2: 540,647 km (0.073 R)
• M3: 944,561 km (0.119 R)
• M4: 1,698,385 km (0.118 R)
• M5: 2,341,655 km (0.074 R)
• M6: 3,270,658 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.7

Radius: 9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.73 AU - 1.21 AU

Year: 637 Days

Day: 7.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,057,119 km

• M1: 112,049 km (0.091 R)
• M2: 484,996 km (0.086 R)
• M3: 937,530 km (0.109 R)
• M4: 1,300,005 km (0.032 R)
• M5: 1,588,729 km (0.039 R)
• M6: 2,219,434 km (0.12 R)
• M7: 2,515,039 km (0.067 R)
• M8: 3,067,056 km (0.111 R)
• M9: 3,382,707 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.3

Radius: 10.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.12 AU - 1.48 AU

Year: 988 Days

Day: 9.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,057,119 km

• M1: 132,394 km (0.108 R)
• M2: 537,804 km (0.097 R)
• M3: 920,775 km (0.115 R)
• M4: 1,390,213 km (0.11 R)
• M5: 1,927,419 km (0.051 R)
• M6: 2,631,127 km (0.095 R)
• M7: 3,797,991 km (0.117 R)
• M8: 4,919,975 km (0.108 R)
• M9: 6,903,194 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.8

Radius: 13

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.17 AU - 3.45 AU

Year: 3141 Days

Day: 7.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,057,119 km

• M1: 161,715 km (0.088 R)
• M2: 660,175 km (0.091 R)
• M3: 1,472,043 km (0.103 R)
• M4: 2,069,836 km (0.072 R)
• M5: 3,943,250 km (0.102 R)
• M6: 6,075,319 km (0.094 R)
• M7: 6,614,021 km (0.063 R)
• M8: 10,249,997 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.8

Radius: 14

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.58 AU - 3.2 AU

Year: 3276 Days

Day: 11.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,057,119 km

• M1: 176,077 km (0.084 R)
• M2: 814,560 km (0.108 R)
• M3: 1,579,305 km (0.062 R)
• M4: 3,073,937 km (0.041 R)
• M5: 3,516,747 km (0.074 R)
• M6: 4,120,823 km (0.057 R)
• M7: 5,563,395 km (0.081 R)
• M8: 8,055,097 km (0.055 R)
• M9: 10,330,780 km (0.06 R)
• M10: 11,019,529 km (0.068 R)
• M11: 12,404,207 km (0.039 R)
• M12: 17,201,960 km (0.08 R)
• M13: 18,280,411 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 8.9

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.81 AU - 3.01 AU

Year: 3310 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,057,119 km

• M1: 117,285 km (0.108 R)
• M2: 443,408 km (0.081 R)
• M3: 868,715 km (0.1 R)
• M4: 1,275,023 km (0.037 R)
• M5: 2,388,629 km (0.112 R)
• M6: 2,954,408 km (0.113 R)
• M7: 4,178,418 km (0.1 R)
• M8: 5,196,880 km (0.119 R)
• M9: 5,658,240 km (0.1 R)
• M10: 6,146,677 km (0.115 R)
• M11: 7,023,022 km (0.101 R)
• M12: 8,525,134 km (0.055 R)
• M13: 9,613,458 km (0.083 R)
• M14: 10,349,181 km (0.072 R)
• M15: 11,373,627 km (0.106 R)
• M16: 12,019,890 km (0.033 R)
• M17: 13,244,797 km (0.091 R)
• M18: 14,700,983 km (0.088 R)
• M19: 15,209,316 km (0.12 R)
• M20: 15,834,785 km (0.08 R)
• M21: 16,314,994 km (0.032 R)
• M22: 18,392,011 km (0.101 R)
• M23: 19,161,842 km (0.03 R)
• M24: 19,463,581 km (0.063 R)
• M25: 21,276,856 km (0.116 R)
• M26: 21,796,260 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.2

Radius: 12.8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.23 AU - 5.95 AU

Year: 8813 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,057,119 km

• M1: 172,786 km (0.112 R)
• M2: 598,242 km (0.094 R)
• M3: 1,265,897 km (0.116 R)
• M4: 2,289,895 km (0.105 R)
• M5: 5,857,654 km (0.067 R)
• M6: 6,944,333 km (0.057 R)
• M7: 18,148,914 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.9

Radius: 7.3

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.83 AU - 9.99 AU

Year: 16264 Days

Day: 17.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,057,119 km

• M1: 90,806 km (0.098 R)
• M2: 320,887 km (0.107 R)
• M3: 985,102 km (0.075 R)
• M4: 1,296,116 km (0.032 R)
• M5: 2,318,917 km (0.103 R)
• M6: 2,734,350 km (0.085 R)
• M7: 6,221,177 km (0.05 R)
• M8: 7,111,733 km (0.056 R)
• M9: 8,428,045 km (0.055 R)
• M10: 10,406,477 km (0.11 R)
• M11: 11,534,145 km (0.081 R)
• M12: 13,682,820 km (0.101 R)
• M13: 15,478,443 km (0.097 R)
• M14: 17,751,882 km (0.09 R)
• M15: 18,081,895 km (0.101 R)
• M16: 18,754,487 km (0.076 R)
• M17: 23,736,844 km (0.12 R)
• M18: 25,055,848 km (0.101 R)
• M19: 26,853,566 km (0.117 R)
• M20: 28,284,918 km (0.079 R)
• M21: 31,419,293 km (0.043 R)
• M22: 33,758,704 km (0.076 R)
• M23: 36,476,748 km (0.112 R)
• M24: 37,685,050 km (0.072 R)
• M25: 38,781,303 km (0.111 R)
• M26: 40,181,240 km (0.092 R)
• M27: 41,614,687 km (0.081 R)
• M28: 46,430,242 km (0.088 R)
• M29: 46,743,051 km (0.055 R)
• M30: 47,057,207 km (0.119 R)
• M31: 52,446,321 km (0.113 R)
• M32: 54,677,573 km (0.066 R)
• M33: 56,971,357 km (0.117 R)
• M34: 60,252,038 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.9

Radius: 6.7

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.75 AU - 10.93 AU

Year: 20584 Days

Day: 15.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,057,119 km

• M1: 83,476 km (0.084 R)
• M2: 300,841 km (0.097 R)
• M3: 612,753 km (0.113 R)
• M4: 870,360 km (0.085 R)
• M5: 1,160,131 km (0.025 R)
• M6: 1,388,119 km (0.114 R)
• M7: 2,691,415 km (0.117 R)
• M8: 4,252,170 km (0.104 R)
• M9: 4,659,674 km (0.063 R)
• M10: 6,336,966 km (0.069 R)
• M11: 7,430,227 km (0.087 R)
• M12: 7,971,173 km (0.056 R)
• M13: 8,485,490 km (0.103 R)
• M14: 10,521,218 km (0.069 R)
• M15: 11,458,150 km (0.102 R)
• M16: 14,153,155 km (0.111 R)
• M17: 14,753,940 km (0.102 R)
• M18: 15,371,480 km (0.109 R)
• M19: 16,493,614 km (0.116 R)
• M20: 16,741,049 km (0.106 R)
• M21: 16,990,877 km (0.044 R)
• M22: 17,755,472 km (0.044 R)
• M23: 21,044,082 km (0.028 R)
• M24: 23,971,862 km (0.073 R)
• M25: 25,150,095 km (0.067 R)
• M26: 25,587,968 km (0.091 R)
• M27: 27,737,390 km (0.092 R)
• M28: 31,371,721 km (0.098 R)
• M29: 33,171,383 km (0.112 R)
• M30: 34,230,087 km (0.108 R)
• M31: 35,311,231 km (0.096 R)
• M32: 41,819,786 km (0.036 R)
• M33: 68,568,334 km (0.091 R)
• M34: 72,910,711 km (0.073 R)
• M35: 75,375,336 km (0.077 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 16,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit