🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.5

Radius: 12.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1 AU - 1.06 AU

Year: 709 Days

Day: 14.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,516,731 km

• M1: 150,645 km (0.099 R)
• M2: 555,008 km (0.026 R)
• M3: 1,039,256 km (0.057 R)
• M4: 1,575,565 km (0.043 R)
• M5: 2,477,790 km (0.076 R)
• M6: 2,877,964 km (0.114 R)
• M7: 3,321,372 km (0.117 R)
• M8: 3,954,769 km (0.104 R)
• M9: 4,733,277 km (0.072 R)
• M10: 5,176,984 km (0.08 R)
• M11: 5,894,904 km (0.12 R)
• M12: 7,040,824 km (0.073 R)
• M13: 7,993,613 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 14.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.52 AU - 2.22 AU

Year: 1734 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,516,731 km

• M1: 176,675 km (0.106 R)
• M2: 710,440 km (0.113 R)
• M3: 1,247,347 km (0.108 R)
• M4: 1,806,693 km (0.091 R)
• M5: 2,501,576 km (0.072 R)
• M6: 3,331,245 km (0.073 R)
• M7: 4,607,315 km (0.029 R)
• M8: 5,484,258 km (0.074 R)
• M9: 6,429,118 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.7

Radius: 11.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.1 AU - 2.58 AU

Year: 2428 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,516,731 km

• M1: 138,079 km (0.039 R)
• M2: 672,143 km (0.048 R)
• M3: 1,100,741 km (0.108 R)
• M4: 1,547,291 km (0.116 R)
• M5: 1,930,561 km (0.083 R)
• M6: 2,321,011 km (0.107 R)
• M7: 2,688,723 km (0.092 R)
• M8: 3,207,079 km (0.107 R)
• M9: 3,936,070 km (0.091 R)
• M10: 4,375,289 km (0.106 R)
• M11: 5,213,037 km (0.099 R)
• M12: 5,722,867 km (0.069 R)
• M13: 6,654,412 km (0.094 R)
• M14: 7,891,736 km (0.042 R)
• M15: 8,930,394 km (0.074 R)
• M16: 10,119,698 km (0.091 R)
• M17: 10,784,959 km (0.036 R)
• M18: 11,211,164 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.15 AU - 3.41 AU

Year: 3144 Days

Day: 14.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,516,731 km

• M1: 99,483 km (0.115 R)
• M2: 744,249 km (0.034 R)
• M3: 1,934,450 km (0.113 R)
• M4: 3,740,396 km (0.119 R)
• M5: 4,078,337 km (0.1 R)
• M6: 4,973,381 km (0.109 R)
• M7: 7,300,675 km (0.034 R)
• M8: 8,555,951 km (0.098 R)
• M9: 9,084,331 km (0.049 R)
• M10: 9,949,306 km (0.068 R)
• M11: 11,244,075 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.8

Radius: 9.2

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.65 AU - 3.23 AU

Year: 3419 Days

Day: 8.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,516,731 km

• M1: 121,025 km (0.111 R)
• M2: 426,952 km (0.071 R)
• M3: 874,400 km (0.082 R)
• M4: 1,404,874 km (0.107 R)
• M5: 1,749,996 km (0.105 R)
• M6: 2,535,834 km (0.063 R)
• M7: 3,290,256 km (0.088 R)
• M8: 3,699,705 km (0.117 R)
• M9: 4,276,106 km (0.092 R)
• M10: 4,886,465 km (0.098 R)
• M11: 5,500,415 km (0.062 R)
• M12: 6,136,205 km (0.074 R)
• M13: 7,292,896 km (0.089 R)
• M14: 7,587,006 km (0.076 R)
• M15: 8,697,471 km (0.084 R)
• M16: 8,991,281 km (0.106 R)
• M17: 9,367,968 km (0.119 R)
• M18: 9,715,933 km (0.046 R)
• M19: 10,938,447 km (0.098 R)
• M20: 11,367,942 km (0.055 R)
• M21: 11,675,216 km (0.112 R)
• M22: 12,584,023 km (0.119 R)
• M23: 15,219,639 km (0.113 R)
• M24: 16,303,326 km (0.08 R)
• M25: 17,379,682 km (0.036 R)
• M26: 18,623,738 km (0.08 R)
• M27: 20,958,512 km (0.119 R)
• M28: 23,059,465 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 9.6

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.89 AU - 3.53 AU

Year: 3901 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,516,731 km

• M1: 123,867 km (0.057 R)
• M2: 490,232 km (0.109 R)
• M3: 828,323 km (0.056 R)
• M4: 1,376,001 km (0.071 R)
• M5: 1,686,118 km (0.088 R)
• M6: 2,234,095 km (0.08 R)
• M7: 2,604,649 km (0.04 R)
• M8: 3,086,204 km (0.12 R)
• M9: 3,665,447 km (0.103 R)
• M10: 4,097,934 km (0.092 R)
• M11: 4,680,469 km (0.036 R)
• M12: 5,240,862 km (0.1 R)
• M13: 6,379,152 km (0.084 R)
• M14: 6,823,308 km (0.071 R)
• M15: 7,773,704 km (0.113 R)
• M16: 8,809,819 km (0.08 R)
• M17: 9,174,987 km (0.099 R)
• M18: 12,289,166 km (0.119 R)
• M19: 13,118,686 km (0.047 R)
• M20: 13,740,564 km (0.059 R)
• M21: 15,460,342 km (0.093 R)
• M22: 15,885,050 km (0.069 R)
• M23: 16,426,744 km (0.052 R)
• M24: 18,837,513 km (0.087 R)
• M25: 19,629,185 km (0.097 R)
• M26: 20,890,295 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.6

Radius: 9.9

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.12 AU - 4.5 AU

Year: 6069 Days

Day: 8.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,516,731 km

• M1: 123,119 km (0.089 R)
• M2: 459,415 km (0.106 R)
• M3: 785,389 km (0.094 R)
• M4: 1,113,008 km (0.105 R)
• M5: 2,060,262 km (0.075 R)
• M6: 2,926,284 km (0.117 R)
• M7: 3,243,431 km (0.094 R)
• M8: 4,286,129 km (0.035 R)
• M9: 5,105,925 km (0.039 R)
• M10: 5,871,268 km (0.118 R)
• M11: 6,643,941 km (0.102 R)
• M12: 7,089,892 km (0.107 R)
• M13: 9,932,102 km (0.119 R)
• M14: 10,515,982 km (0.109 R)
• M15: 11,313,937 km (0.11 R)
• M16: 12,202,250 km (0.103 R)
• M17: 12,872,149 km (0.119 R)
• M18: 13,296,558 km (0.077 R)
• M19: 16,102,715 km (0.069 R)
• M20: 19,419,449 km (0.112 R)
• M21: 20,475,461 km (0.063 R)
• M22: 25,915,438 km (0.036 R)
• M23: 29,420,067 km (0.099 R)
• M24: 29,879,183 km (0.09 R)
• M25: 31,285,552 km (0.113 R)
• M26: 31,860,307 km (0.097 R)
• M27: 32,344,556 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.4

Radius: 8.2

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.26 AU - 5.3 AU

Year: 7088 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,516,731 km

• M1: 102,475 km (0.083 R)
• M2: 393,592 km (0.093 R)
• M3: 1,172,997 km (0.119 R)
• M4: 1,452,147 km (0.05 R)
• M5: 1,710,053 km (0.105 R)
• M6: 2,147,777 km (0.111 R)
• M7: 2,623,199 km (0.105 R)
• M8: 2,895,766 km (0.118 R)
• M9: 3,628,347 km (0.074 R)
• M10: 3,944,746 km (0.118 R)
• M11: 4,763,795 km (0.095 R)
• M12: 5,842,395 km (0.094 R)
• M13: 6,183,030 km (0.12 R)
• M14: 8,165,201 km (0.081 R)
• M15: 8,434,926 km (0.119 R)
• M16: 8,992,029 km (0.109 R)
• M17: 9,701,272 km (0.112 R)
• M18: 12,657,177 km (0.077 R)
• M19: 12,966,844 km (0.059 R)
• M20: 13,817,009 km (0.103 R)
• M21: 14,591,178 km (0.028 R)
• M22: 15,161,445 km (0.079 R)
• M23: 16,714,121 km (0.08 R)
• M24: 20,132,283 km (0.114 R)
• M25: 21,198,766 km (0.09 R)
• M26: 22,603,041 km (0.083 R)
• M27: 23,366,589 km (0.087 R)
• M28: 25,432,236 km (0.119 R)
• M29: 25,760,454 km (0.113 R)
• M30: 26,341,791 km (0.102 R)
• M31: 28,489,119 km (0.047 R)
• M32: 30,657,989 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.7

Radius: 6.2

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.84 AU - 10.98 AU

Year: 21159 Days

Day: 20.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,516,731 km

• M1: 83,027 km (0.09 R)
• M2: 446,101 km (0.116 R)
• M3: 674,537 km (0.101 R)
• M4: 1,423,274 km (0.093 R)
• M5: 3,338,426 km (0.094 R)
• M6: 4,140,869 km (0.028 R)
• M7: 6,040,313 km (0.072 R)
• M8: 6,914,713 km (0.101 R)
• M9: 12,977,765 km (0.098 R)
• M10: 14,568,439 km (0.075 R)
• M11: 15,900,758 km (0.061 R)
• M12: 18,382,287 km (0.109 R)
• M13: 26,487,500 km (0.062 R)
• M14: 30,420,428 km (0.063 R)
• M15: 35,502,417 km (0.113 R)
• M16: 45,283,275 km (0.107 R)
• M17: 46,210,034 km (0.088 R)
• M18: 48,582,058 km (0.114 R)
• M19: 49,390,485 km (0.087 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 14,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit