🌌 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: 40.5

Radius: 11.3

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.47 AU - 0.65 AU

Year: 284 Days

Day: 10.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 63.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,798,552 km

• M1: 140,622 km (0.069 R)
• M2: 515,963 km (0.107 R)
• M3: 922,720 km (0.088 R)
• M4: 1,302,100 km (0.077 R)
• M5: 1,705,865 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.2

Radius: 10.5

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.08 AU - 1.52 AU

Year: 1005 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,798,552 km

• M1: 130,599 km (0.067 R)
• M2: 641,176 km (0.113 R)
• M3: 1,230,592 km (0.084 R)
• M4: 1,682,976 km (0.079 R)
• M5: 2,011,343 km (0.095 R)
• M6: 2,615,719 km (0.113 R)
• M7: 3,027,412 km (0.092 R)
• M8: 4,270,870 km (0.056 R)
• M9: 5,287,986 km (0.03 R)
• M10: 5,792,729 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.2

Radius: 13.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.21 AU - 1.89 AU

Year: 1309 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,798,552 km

• M1: 176,376 km (0.111 R)
• M2: 644,168 km (0.092 R)
• M3: 1,101,639 km (0.079 R)
• M4: 1,647,671 km (0.116 R)
• M5: 2,224,520 km (0.052 R)
• M6: 2,853,579 km (0.1 R)
• M7: 3,647,346 km (0.107 R)
• M8: 4,546,578 km (0.031 R)
• M9: 5,089,469 km (0.082 R)
• M10: 6,663,538 km (0.047 R)
• M11: 7,262,977 km (0.114 R)
• M12: 8,773,766 km (0.119 R)
• M13: 9,934,047 km (0.099 R)
• M14: 10,954,454 km (0.053 R)
• M15: 12,595,842 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.6

Radius: 13.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.04 AU - 3.64 AU

Year: 4140 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,798,552 km

• M1: 164,109 km (0.052 R)
• M2: 607,218 km (0.12 R)
• M3: 1,041,500 km (0.066 R)
• M4: 1,568,234 km (0.104 R)
• M5: 2,069,687 km (0.084 R)
• M6: 2,848,194 km (0.118 R)
• M7: 3,387,793 km (0.115 R)
• M8: 4,068,912 km (0.047 R)
• M9: 4,860,884 km (0.086 R)
• M10: 5,682,774 km (0.106 R)
• M11: 6,517,979 km (0.096 R)
• M12: 7,073,586 km (0.093 R)
• M13: 9,125,620 km (0.073 R)
• M14: 10,733,797 km (0.096 R)
• M15: 11,359,714 km (0.103 R)
• M16: 14,505,010 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.9

Radius: 11.2

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.23 AU - 5.39 AU

Year: 8299 Days

Day: 11.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,798,552 km

• M1: 139,276 km (0.082 R)
• M2: 498,161 km (0.062 R)
• M3: 883,824 km (0.114 R)
• M4: 1,325,736 km (0.035 R)
• M5: 2,652,370 km (0.118 R)
• M6: 3,594,837 km (0.115 R)
• M7: 4,777,707 km (0.109 R)
• M8: 6,423,583 km (0.097 R)
• M9: 6,995,645 km (0.079 R)
• M10: 7,477,650 km (0.109 R)
• M11: 8,734,272 km (0.038 R)
• M12: 10,330,032 km (0.05 R)
• M13: 11,551,648 km (0.107 R)
• M14: 14,407,921 km (0.074 R)
• M15: 15,862,311 km (0.065 R)
• M16: 16,484,638 km (0.092 R)
• M17: 18,224,312 km (0.107 R)
• M18: 18,983,970 km (0.085 R)
• M19: 20,648,246 km (0.108 R)
• M20: 26,897,847 km (0.062 R)
• M21: 30,555,963 km (0.087 R)
• M22: 32,614,281 km (0.115 R)
• M23: 34,879,192 km (0.036 R)
• M24: 40,868,044 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.1

Radius: 3.4

Gravity: 37.81 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.98 AU - 6.52 AU

Year: 9352 Days

Day: 22.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,798,552 km

• M1: 42,486 km (0.067 R)
• M2: 450,738 km (0.073 R)
• M3: 1,262,756 km (0.09 R)
• M4: 1,524,253 km (0.077 R)
• M5: 2,380,701 km (0.097 R)
• M6: 4,005,782 km (0.113 R)
• M7: 4,539,547 km (0.097 R)
• M8: 4,940,320 km (0.056 R)
• M9: 5,779,265 km (0.084 R)
• M10: 6,045,100 km (0.106 R)
• M11: 7,497,546 km (0.11 R)
• M12: 8,221,151 km (0.07 R)
• M13: 9,301,696 km (0.072 R)
• M14: 9,620,340 km (0.104 R)
• M15: 11,530,854 km (0.114 R)
• M16: 11,740,142 km (0.071 R)
• M17: 15,631,182 km (0.101 R)
• M18: 15,823,116 km (0.045 R)
• M19: 17,415,586 km (0.111 R)
• M20: 23,240,777 km (0.101 R)
• M21: 25,644,665 km (0.087 R)
• M22: 26,906,523 km (0.057 R)
• M23: 28,020,579 km (0.088 R)
• M24: 29,650,896 km (0.06 R)
• M25: 38,408,356 km (0.095 R)
• M26: 38,524,593 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.8

Radius: 3.7

Gravity: 40.38 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.37 AU - 8.57 AU

Year: 13848 Days

Day: 19.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 150.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,798,552 km

• M1: 46,824 km (0.079 R)
• M2: 379,979 km (0.093 R)
• M3: 566,378 km (0.099 R)
• M4: 975,378 km (0.093 R)
• M5: 1,744,760 km (0.116 R)
• M6: 2,000,872 km (0.039 R)
• M7: 2,524,314 km (0.106 R)
• M8: 5,060,447 km (0.082 R)
• M9: 5,724,363 km (0.096 R)
• M10: 13,766,146 km (0.109 R)
• M11: 17,387,611 km (0.025 R)
• M12: 23,981,735 km (0.044 R)
• M13: 38,184,408 km (0.096 R)
• M14: 38,705,008 km (0.081 R)
• M15: 40,161,194 km (0.11 R)
• M16: 40,699,746 km (0.112 R)
• M17: 43,182,323 km (0.118 R)
• M18: 43,323,244 km (0.091 R)
• M19: 47,241,960 km (0.114 R)
• M20: 48,751,403 km (0.08 R)
• M21: 50,604,621 km (0.098 R)
• M22: 52,986,668 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.1

Radius: 3.4

Gravity: 16.01 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.15 AU - 10.77 AU

Year: 19735 Days

Day: 22.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,798,552 km

• M1: 42,336 km (0.089 R)
• M2: 173,085 km (0.103 R)
• M3: 360,830 km (0.096 R)
• M4: 980,016 km (0.081 R)
• M5: 1,683,874 km (0.055 R)
• M6: 1,824,944 km (0.099 R)
• M7: 2,611,081 km (0.091 R)
• M8: 3,044,466 km (0.094 R)
• M9: 3,915,275 km (0.04 R)
• M10: 4,363,919 km (0.077 R)
• M11: 4,481,354 km (0.1 R)
• M12: 4,908,605 km (0.114 R)
• M13: 5,296,064 km (0.088 R)
• M14: 7,501,735 km (0.079 R)
• M15: 8,191,231 km (0.116 R)
• M16: 11,099,264 km (0.085 R)
• M17: 17,699,223 km (0.111 R)
• M18: 18,376,303 km (0.082 R)
• M19: 19,148,827 km (0.105 R)
• M20: 20,593,194 km (0.053 R)
• M21: 20,840,779 km (0.068 R)
• M22: 23,070,535 km (0.049 R)
• M23: 25,359,532 km (0.115 R)
• M24: 26,607,477 km (0.101 R)
• M25: 28,402,353 km (0.07 R)
• M26: 30,489,392 km (0.102 R)
• M27: 39,732,895 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.5

Radius: 5.7

Gravity: 16.2 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.33 AU - 10.43 AU

Year: 22682 Days

Day: 15.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 152.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,798,552 km

• M1: 71,358 km (0.093 R)
• M2: 336,894 km (0.103 R)
• M3: 558,150 km (0.09 R)
• M4: 782,247 km (0.059 R)
• M5: 968,497 km (0.097 R)
• M6: 1,184,516 km (0.114 R)
• M7: 1,386,623 km (0.072 R)
• M8: 2,034,830 km (0.091 R)
• M9: 2,529,102 km (0.103 R)
• M10: 2,969,219 km (0.117 R)
• M11: 3,345,607 km (0.107 R)
• M12: 3,814,147 km (0.066 R)
• M13: 5,101,437 km (0.119 R)
• M14: 6,834,528 km (0.082 R)
• M15: 8,084,718 km (0.05 R)
• M16: 9,367,519 km (0.054 R)
• M17: 10,057,315 km (0.119 R)
• M18: 10,966,422 km (0.071 R)
• M19: 18,031,779 km (0.119 R)
• M20: 18,470,550 km (0.08 R)
• M21: 19,460,738 km (0.115 R)
• M22: 21,448,894 km (0.116 R)
• M23: 22,140,485 km (0.053 R)
• M24: 25,602,778 km (0.09 R)
• M25: 34,913,151 km (0.073 R)
• M26: 35,731,900 km (0.105 R)
• M27: 37,266,026 km (0.082 R)
• M28: 39,870,226 km (0.102 R)
• M29: 40,166,729 km (0.087 R)
• M30: 52,918,452 km (0.107 R)
• M31: 56,387,776 km (0.088 R)
• M32: 57,892,880 km (0.062 R)
• M33: 60,982,974 km (0.062 R)
• M34: 69,613,873 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 12,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit