🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.9

Radius: 12

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.47 AU - 0.57 AU

Year: 259 Days

Day: 12.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,599,876 km

• M1: 150,346 km (0.113 R)
• M2: 548,276 km (0.11 R)
• M3: 1,022,352 km (0.087 R)
• M4: 1,401,732 km (0.111 R)
• M5: 1,863,391 km (0.081 R)
• M6: 2,486,915 km (0.061 R)
• M7: 3,070,646 km (0.073 R)
• M8: 3,561,327 km (0.075 R)
• M9: 4,141,318 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.5

Radius: 10.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.67 AU - 0.75 AU

Year: 413 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 148.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,599,876 km

• M1: 128,205 km (0.059 R)
• M2: 457,769 km (0.103 R)
• M3: 1,573,620 km (0.096 R)
• M4: 2,093,921 km (0.06 R)
• M5: 2,435,603 km (0.096 R)
• M6: 2,765,167 km (0.065 R)
• M7: 3,255,250 km (0.106 R)
• M8: 3,901,512 km (0.082 R)
• M9: 4,275,657 km (0.103 R)
• M10: 4,716,222 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.9

Radius: 8.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.99 AU - 1.25 AU

Year: 818 Days

Day: 5.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,599,876 km

• M1: 109,954 km (0.096 R)
• M2: 993,479 km (0.089 R)
• M3: 1,592,170 km (0.082 R)
• M4: 2,103,944 km (0.112 R)
• M5: 2,660,149 km (0.066 R)
• M6: 3,012,004 km (0.098 R)
• M7: 3,542,029 km (0.094 R)
• M8: 3,822,974 km (0.117 R)
• M9: 4,488,535 km (0.092 R)
• M10: 4,772,471 km (0.111 R)
• M11: 5,245,500 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.7

Radius: 9.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.69 AU - 1.81 AU

Year: 1598 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,599,876 km

• M1: 115,639 km (0.102 R)
• M2: 510,129 km (0.088 R)
• M3: 1,204,113 km (0.092 R)
• M4: 1,686,417 km (0.113 R)
• M5: 2,201,781 km (0.116 R)
• M6: 3,053,891 km (0.038 R)
• M7: 3,469,474 km (0.111 R)
• M8: 3,772,709 km (0.11 R)
• M9: 4,128,602 km (0.109 R)
• M10: 4,619,133 km (0.092 R)
• M11: 4,987,294 km (0.065 R)
• M12: 9,119,486 km (0.1 R)
• M13: 11,592,489 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 9.6

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.78 AU - 2.12 AU

Year: 1880 Days

Day: 12.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,599,876 km

• M1: 120,576 km (0.088 R)
• M2: 490,083 km (0.095 R)
• M3: 927,956 km (0.085 R)
• M4: 2,028,248 km (0.114 R)
• M5: 2,465,373 km (0.115 R)
• M6: 3,613,985 km (0.079 R)
• M7: 5,969,853 km (0.105 R)
• M8: 7,578,778 km (0.108 R)
• M9: 7,949,780 km (0.066 R)
• M10: 9,104,377 km (0.119 R)
• M11: 9,556,761 km (0.051 R)
• M12: 9,956,486 km (0.071 R)
• M13: 10,647,329 km (0.032 R)
• M14: 12,357,532 km (0.056 R)
• M15: 14,633,813 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442

Radius: 11.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.49 AU - 2.47 AU

Year: 1923 Days

Day: 6 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,599,876 km

• M1: 146,905 km (0.119 R)
• M2: 821,592 km (0.075 R)
• M3: 1,591,572 km (0.116 R)
• M4: 2,214,198 km (0.082 R)
• M5: 2,769,505 km (0.094 R)
• M6: 3,793,503 km (0.118 R)
• M7: 5,906,722 km (0.086 R)
• M8: 9,044,837 km (0.072 R)
• M9: 9,968,005 km (0.109 R)
• M10: 11,450,819 km (0.067 R)
• M11: 12,264,183 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.7

Radius: 3.6

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.28 AU - 6.88 AU

Year: 9098 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,599,876 km

• M1: 45,478 km (0.111 R)
• M2: 169,644 km (0.082 R)
• M3: 332,406 km (0.081 R)
• M4: 1,035,816 km (0.081 R)
• M5: 1,313,769 km (0.074 R)
• M6: 1,827,039 km (0.099 R)
• M7: 1,977,235 km (0.026 R)
• M8: 2,790,299 km (0.035 R)
• M9: 3,075,732 km (0.064 R)
• M10: 4,091,651 km (0.074 R)
• M11: 4,945,107 km (0.097 R)
• M12: 5,089,918 km (0.083 R)
• M13: 5,287,387 km (0.096 R)
• M14: 6,101,349 km (0.107 R)
• M15: 7,745,131 km (0.075 R)
• M16: 8,240,000 km (0.091 R)
• M17: 8,967,944 km (0.12 R)
• M18: 10,750,253 km (0.116 R)
• M19: 11,788,163 km (0.033 R)
• M20: 14,946,174 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.4

Radius: 4.5

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.67 AU - 7.03 AU

Year: 12375 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,599,876 km

• M1: 55,950 km (0.11 R)
• M2: 285,582 km (0.078 R)
• M3: 465,848 km (0.087 R)
• M4: 641,176 km (0.101 R)
• M5: 2,618,711 km (0.057 R)
• M6: 3,160,405 km (0.118 R)
• M7: 5,986,907 km (0.111 R)
• M8: 11,021,623 km (0.094 R)
• M9: 11,524,422 km (0.114 R)
• M10: 11,833,491 km (0.111 R)
• M11: 12,848,512 km (0.079 R)
• M12: 13,292,818 km (0.113 R)
• M13: 14,448,312 km (0.111 R)
• M14: 14,928,671 km (0.091 R)
• M15: 20,109,694 km (0.067 R)
• M16: 23,059,016 km (0.107 R)
• M17: 26,729,549 km (0.111 R)
• M18: 29,701,012 km (0.074 R)
• M19: 31,565,600 km (0.089 R)
• M20: 32,373,578 km (0.039 R)
• M21: 35,852,177 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.6

Radius: 7.5

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.96 AU - 8 AU

Year: 14121 Days

Day: 24 Hours

Environment

Temp: -240 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,599,876 km

• M1: 95,294 km (0.081 R)
• M2: 670,647 km (0.096 R)
• M3: 965,654 km (0.111 R)
• M4: 1,529,189 km (0.042 R)
• M5: 2,621,254 km (0.095 R)
• M6: 3,736,955 km (0.116 R)
• M7: 5,381,035 km (0.112 R)
• M8: 6,539,821 km (0.11 R)
• M9: 7,588,950 km (0.106 R)
• M10: 10,779,723 km (0.096 R)
• M11: 20,921,711 km (0.089 R)
• M12: 21,537,755 km (0.105 R)
• M13: 29,242,195 km (0.112 R)
• M14: 29,570,562 km (0.061 R)
• M15: 35,411,462 km (0.086 R)
• M16: 38,732,385 km (0.104 R)
• M17: 43,522,808 km (0.056 R)
• M18: 49,001,082 km (0.069 R)
• M19: 51,825,041 km (0.111 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: 248 - 14,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit