🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.7

Radius: 10.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.57 AU - 0.83 AU

Year: 391 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,172,704 km

• M1: 135,685 km (0.11 R)
• M2: 491,579 km (0.098 R)
• M3: 957,875 km (0.098 R)
• M4: 1,339,799 km (0.119 R)
• M5: 1,740,122 km (0.119 R)
• M6: 2,714,753 km (0.097 R)
• M7: 3,089,944 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.2

Radius: 12.8

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1 AU - 1.2 AU

Year: 769 Days

Day: 13.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,172,704 km

• M1: 159,172 km (0.102 R)
• M2: 680,222 km (0.099 R)
• M3: 1,098,946 km (0.075 R)
• M4: 1,559,259 km (0.115 R)
• M5: 2,423,635 km (0.077 R)
• M6: 3,034,593 km (0.12 R)
• M7: 3,886,403 km (0.12 R)
• M8: 4,299,742 km (0.099 R)
• M9: 5,295,017 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 10.3

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.22 AU - 1.3 AU

Year: 943 Days

Day: 10.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,172,704 km

• M1: 128,056 km (0.095 R)
• M2: 536,308 km (0.111 R)
• M3: 907,909 km (0.112 R)
• M4: 1,359,097 km (0.068 R)
• M5: 1,714,541 km (0.037 R)
• M6: 2,043,806 km (0.113 R)
• M7: 2,493,049 km (0.061 R)
• M8: 4,464,599 km (0.094 R)
• M9: 5,170,402 km (0.049 R)
• M10: 5,608,873 km (0.08 R)
• M11: 6,010,244 km (0.103 R)
• M12: 6,430,764 km (0.06 R)
• M13: 6,870,881 km (0.026 R)
• M14: 7,283,920 km (0.096 R)
• M15: 8,160,265 km (0.073 R)
• M16: 8,862,477 km (0.093 R)
• M17: 9,297,358 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.6

Radius: 13.2

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1 AU - 1.58 AU

Year: 977 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,172,704 km

• M1: 164,109 km (0.12 R)
• M2: 587,920 km (0.106 R)
• M3: 1,315,564 km (0.078 R)
• M4: 1,886,878 km (0.048 R)
• M5: 2,504,119 km (0.09 R)
• M6: 3,380,313 km (0.054 R)
• M7: 4,609,260 km (0.071 R)
• M8: 5,085,729 km (0.094 R)
• M9: 5,595,260 km (0.035 R)
• M10: 7,380,561 km (0.114 R)
• M11: 8,922,316 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.2

Radius: 13

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.76 AU - 2.32 AU

Year: 1943 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,172,704 km

• M1: 161,715 km (0.083 R)
• M2: 623,225 km (0.113 R)
• M3: 1,127,669 km (0.044 R)
• M4: 1,554,920 km (0.103 R)
• M5: 2,315,925 km (0.095 R)
• M6: 2,782,969 km (0.118 R)
• M7: 3,498,645 km (0.101 R)
• M8: 5,298,457 km (0.103 R)
• M9: 6,400,994 km (0.065 R)
• M10: 7,160,951 km (0.082 R)
• M11: 7,651,033 km (0.034 R)
• M12: 8,634,789 km (0.081 R)
• M13: 9,124,124 km (0.075 R)
• M14: 10,051,780 km (0.065 R)
• M15: 10,667,525 km (0.098 R)
• M16: 11,540,429 km (0.064 R)
• M17: 12,094,838 km (0.091 R)
• M18: 12,542,734 km (0.067 R)
• M19: 13,044,037 km (0.114 R)
• M20: 16,093,440 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.9

Radius: 13

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.68 AU - 4 AU

Year: 4071 Days

Day: 8.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,172,704 km

• M1: 161,715 km (0.114 R)
• M2: 746,643 km (0.117 R)
• M3: 1,584,690 km (0.091 R)
• M4: 2,880,956 km (0.078 R)
• M5: 3,386,297 km (0.1 R)
• M6: 6,260,671 km (0.09 R)
• M7: 7,083,010 km (0.103 R)
• M8: 10,434,152 km (0.108 R)
• M9: 11,152,521 km (0.044 R)
• M10: 13,655,144 km (0.091 R)
• M11: 15,518,685 km (0.088 R)
• M12: 17,546,185 km (0.115 R)
• M13: 20,910,491 km (0.107 R)
• M14: 24,683,050 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.3

Radius: 14.3

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.97 AU - 4.27 AU

Year: 4593 Days

Day: 14.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,172,704 km

• M1: 178,171 km (0.087 R)
• M2: 647,310 km (0.07 R)
• M3: 1,126,023 km (0.117 R)
• M4: 1,800,859 km (0.051 R)
• M5: 2,372,473 km (0.101 R)
• M6: 3,627,150 km (0.11 R)
• M7: 4,187,394 km (0.105 R)
• M8: 4,753,472 km (0.071 R)
• M9: 5,772,084 km (0.107 R)
• M10: 6,636,012 km (0.086 R)
• M11: 7,514,002 km (0.114 R)
• M12: 8,092,048 km (0.086 R)
• M13: 8,660,670 km (0.114 R)
• M14: 9,296,610 km (0.085 R)
• M15: 9,836,210 km (0.107 R)
• M16: 12,157,969 km (0.088 R)
• M17: 13,161,471 km (0.119 R)
• M18: 16,685,399 km (0.058 R)
• M19: 18,762,266 km (0.069 R)
• M20: 20,308,360 km (0.109 R)
• M21: 23,046,599 km (0.117 R)
• M22: 23,500,479 km (0.048 R)
• M23: 24,582,670 km (0.117 R)
• M24: 25,136,033 km (0.069 R)
• M25: 27,602,752 km (0.099 R)
• M26: 29,422,760 km (0.038 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237

Radius: 9.4

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.69 AU - 4.95 AU

Year: 7057 Days

Day: 13.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,172,704 km

• M1: 117,584 km (0.097 R)
• M2: 448,494 km (0.102 R)
• M3: 798,703 km (0.118 R)
• M4: 1,115,252 km (0.06 R)
• M5: 1,668,016 km (0.074 R)
• M6: 2,056,372 km (0.057 R)
• M7: 3,035,341 km (0.104 R)
• M8: 4,047,969 km (0.03 R)
• M9: 5,324,936 km (0.116 R)
• M10: 5,881,440 km (0.11 R)
• M11: 8,614,893 km (0.101 R)
• M12: 10,028,443 km (0.109 R)
• M13: 10,575,073 km (0.064 R)
• M14: 14,125,031 km (0.09 R)
• M15: 14,758,428 km (0.109 R)
• M16: 17,784,943 km (0.057 R)
• M17: 21,065,774 km (0.085 R)
• M18: 21,614,648 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.6

Radius: 3.1

Gravity: 83.1 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.64 AU - 6.14 AU

Year: 9532 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 33,172,704 km

• M1: 38,746 km (0.117 R)
• M2: 196,871 km (0.07 R)
• M3: 323,281 km (0.113 R)
• M4: 672,143 km (0.073 R)
• M5: 1,279,361 km (0.12 R)
• M6: 1,410,259 km (0.11 R)
• M7: 1,761,515 km (0.05 R)
• M8: 2,149,871 km (0.093 R)
• M9: 4,577,246 km (0.077 R)
• M10: 5,643,131 km (0.11 R)
• M11: 5,747,550 km (0.076 R)
• M12: 6,068,737 km (0.1 R)
• M13: 7,225,428 km (0.064 R)
• M14: 7,389,985 km (0.086 R)
• M15: 8,521,394 km (0.032 R)
• M16: 14,396,850 km (0.067 R)
• M17: 16,857,286 km (0.116 R)
• M18: 17,661,525 km (0.104 R)
• M19: 18,338,305 km (0.075 R)
• M20: 19,346,146 km (0.11 R)
• M21: 20,065,114 km (0.101 R)
• M22: 20,554,149 km (0.072 R)
• M23: 22,069,127 km (0.106 R)
• M24: 23,297,624 km (0.095 R)
• M25: 25,036,700 km (0.077 R)
• M26: 28,361,363 km (0.113 R)
• M27: 28,873,885 km (0.09 R)
• M28: 30,877,599 km (0.101 R)
• M29: 32,747,273 km (0.039 R)
• M30: 37,196,463 km (0.075 R)
• M31: 38,306,180 km (0.057 R)
• M32: 39,184,469 km (0.066 R)
• M33: 41,372,937 km (0.105 R)
• M34: 43,913,857 km (0.067 R)
• M35: 45,014,149 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.6

Radius: 5.7

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.91 AU - 10.53 AU

Year: 20208 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,172,704 km

• M1: 85,420 km (0.12 R)
• M2: 1,010,085 km (0.116 R)
• M3: 2,253,542 km (0.066 R)
• M4: 2,833,384 km (0.084 R)
• M5: 5,026,937 km (0.109 R)
• M6: 14,091,671 km (0.086 R)
• M7: 14,948,717 km (0.103 R)
• M8: 15,839,871 km (0.104 R)
• M9: 17,662,572 km (0.053 R)
• M10: 27,477,090 km (0.1 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 10,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit