🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.1

Radius: 10

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.66 AU - 0.78 AU

Year: 429 Days

Day: 14.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 54.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,644,204 km

• M1: 125,513 km (0.099 R)
• M2: 652,247 km (0.057 R)
• M3: 1,146,668 km (0.105 R)
• M4: 2,091,229 km (0.09 R)
• M5: 2,828,746 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 10.9

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.41 AU - 1.87 AU

Year: 1476 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,644,204 km

• M1: 145,110 km (0.119 R)
• M2: 547,379 km (0.025 R)
• M3: 1,480,121 km (0.082 R)
• M4: 2,678,101 km (0.106 R)
• M5: 3,365,503 km (0.101 R)
• M6: 3,964,493 km (0.067 R)
• M7: 4,318,442 km (0.057 R)
• M8: 5,242,807 km (0.1 R)
• M9: 5,740,220 km (0.097 R)
• M10: 6,146,229 km (0.057 R)
• M11: 6,622,399 km (0.111 R)
• M12: 7,592,690 km (0.047 R)
• M13: 7,994,660 km (0.064 R)
• M14: 9,157,933 km (0.067 R)
• M15: 9,680,179 km (0.071 R)
• M16: 10,084,841 km (0.116 R)
• M17: 10,641,944 km (0.115 R)
• M18: 11,109,587 km (0.099 R)
• M19: 11,970,672 km (0.096 R)
• M20: 12,997,063 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.7

Radius: 11.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.65 AU - 1.71 AU

Year: 1531 Days

Day: 14 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,644,204 km

• M1: 139,425 km (0.106 R)
• M2: 570,267 km (0.085 R)
• M3: 997,070 km (0.116 R)
• M4: 1,441,824 km (0.115 R)
• M5: 1,868,777 km (0.093 R)
• M6: 2,235,142 km (0.066 R)
• M7: 2,636,513 km (0.058 R)
• M8: 3,071,394 km (0.114 R)
• M9: 4,032,859 km (0.03 R)
• M10: 4,439,167 km (0.095 R)
• M11: 4,872,851 km (0.094 R)
• M12: 5,443,717 km (0.103 R)
• M13: 6,744,770 km (0.026 R)
• M14: 7,265,969 km (0.078 R)
• M15: 8,839,289 km (0.053 R)
• M16: 9,853,114 km (0.087 R)
• M17: 13,482,209 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 9.5

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.86 AU - 2.44 AU

Year: 2216 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,644,204 km

• M1: 119,230 km (0.029 R)
• M2: 417,228 km (0.104 R)
• M3: 1,080,994 km (0.116 R)
• M4: 1,565,991 km (0.092 R)
• M5: 2,214,796 km (0.115 R)
• M6: 2,641,300 km (0.059 R)
• M7: 3,744,435 km (0.083 R)
• M8: 4,167,198 km (0.034 R)
• M9: 9,437,232 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 12.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.48 AU - 2.74 AU

Year: 2964 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,644,204 km

• M1: 162,613 km (0.1 R)
• M2: 692,489 km (0.097 R)
• M3: 1,508,695 km (0.116 R)
• M4: 2,433,359 km (0.109 R)
• M5: 3,884,458 km (0.114 R)
• M6: 4,728,190 km (0.114 R)
• M7: 5,432,048 km (0.073 R)
• M8: 6,401,742 km (0.115 R)
• M9: 6,838,567 km (0.068 R)
• M10: 8,406,652 km (0.099 R)
• M11: 8,895,837 km (0.112 R)
• M12: 9,778,764 km (0.105 R)
• M13: 10,320,308 km (0.091 R)
• M14: 10,800,368 km (0.078 R)
• M15: 11,253,500 km (0.113 R)
• M16: 12,066,115 km (0.025 R)
• M17: 13,148,007 km (0.082 R)
• M18: 14,244,560 km (0.114 R)
• M19: 14,840,408 km (0.082 R)
• M20: 16,564,972 km (0.04 R)
• M21: 17,224,100 km (0.109 R)
• M22: 17,673,193 km (0.097 R)
• M23: 20,222,491 km (0.108 R)
• M24: 20,975,716 km (0.037 R)
• M25: 21,488,089 km (0.1 R)
• M26: 22,074,512 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 10.8

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.58 AU - 4.52 AU

Year: 5729 Days

Day: 11.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,644,204 km

• M1: 136,433 km (0.079 R)
• M2: 1,127,968 km (0.09 R)
• M3: 2,050,837 km (0.074 R)
• M4: 4,155,081 km (0.107 R)
• M5: 5,787,493 km (0.07 R)
• M6: 6,542,812 km (0.092 R)
• M7: 8,028,319 km (0.087 R)
• M8: 12,046,069 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 9.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.9 AU - 5.92 AU

Year: 7648 Days

Day: 8 Hours

Environment

Temp: -230 °C

Axial Tilt: 72.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,644,204 km

• M1: 121,922 km (0.04 R)
• M2: 455,526 km (0.041 R)
• M3: 843,433 km (0.086 R)
• M4: 1,194,539 km (0.103 R)
• M5: 2,253,842 km (0.107 R)
• M6: 2,733,303 km (0.095 R)
• M7: 3,454,963 km (0.083 R)
• M8: 3,897,324 km (0.084 R)
• M9: 4,298,844 km (0.081 R)
• M10: 5,547,538 km (0.115 R)
• M11: 8,049,113 km (0.105 R)
• M12: 9,930,905 km (0.075 R)
• M13: 11,171,520 km (0.119 R)
• M14: 13,000,953 km (0.08 R)
• M15: 15,326,900 km (0.107 R)
• M16: 15,635,969 km (0.047 R)
• M17: 16,266,524 km (0.094 R)
• M18: 18,537,869 km (0.032 R)
• M19: 19,387,734 km (0.081 R)
• M20: 22,171,900 km (0.076 R)
• M21: 26,431,550 km (0.073 R)
• M22: 26,876,454 km (0.066 R)
• M23: 28,056,632 km (0.109 R)
• M24: 32,612,336 km (0.116 R)
• M25: 35,118,549 km (0.096 R)
• M26: 35,873,121 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.5

Radius: 5.9

Gravity: 20.3 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.5 AU - 6.7 AU

Year: 9315 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,644,204 km

• M1: 81,082 km (0.095 R)
• M2: 431,291 km (0.041 R)
• M3: 634,445 km (0.087 R)
• M4: 921,972 km (0.103 R)
• M5: 1,198,129 km (0.089 R)
• M6: 1,394,851 km (0.08 R)
• M7: 1,671,158 km (0.077 R)
• M8: 2,980,887 km (0.107 R)
• M9: 3,490,268 km (0.04 R)
• M10: 4,275,956 km (0.12 R)
• M11: 5,565,938 km (0.072 R)
• M12: 7,056,681 km (0.112 R)
• M13: 9,690,352 km (0.075 R)
• M14: 10,084,841 km (0.119 R)
• M15: 17,575,655 km (0.116 R)
• M16: 23,333,677 km (0.068 R)
• M17: 39,990,204 km (0.116 R)
• M18: 42,164,609 km (0.067 R)
• M19: 44,416,805 km (0.108 R)
• M20: 46,053,854 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.9

Radius: 5.4

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.79 AU - 7.89 AU

Year: 12575 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,644,204 km

• M1: 68,217 km (0.044 R)
• M2: 358,436 km (0.099 R)
• M3: 1,906,326 km (0.106 R)
• M4: 2,624,395 km (0.055 R)
• M5: 3,055,537 km (0.078 R)
• M6: 3,877,128 km (0.05 R)
• M7: 4,136,830 km (0.094 R)
• M8: 4,435,726 km (0.106 R)
• M9: 4,604,922 km (0.056 R)
• M10: 5,645,973 km (0.112 R)
• M11: 7,292,298 km (0.104 R)
• M12: 8,654,087 km (0.106 R)
• M13: 8,918,726 km (0.094 R)
• M14: 9,234,377 km (0.08 R)
• M15: 18,420,883 km (0.095 R)
• M16: 20,061,374 km (0.085 R)
• M17: 23,120,052 km (0.081 R)
• M18: 24,583,717 km (0.046 R)
• M19: 28,076,828 km (0.086 R)
• M20: 33,589,210 km (0.105 R)
• M21: 38,581,440 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.3

Radius: 4.7

Gravity: 39.62 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.96 AU - 10.02 AU

Year: 18947 Days

Day: 22.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,644,204 km

• M1: 60,438 km (0.055 R)
• M2: 245,640 km (0.082 R)
• M3: 416,032 km (0.101 R)
• M4: 1,039,406 km (0.106 R)
• M5: 1,441,226 km (0.099 R)
• M6: 1,695,542 km (0.086 R)
• M7: 1,959,583 km (0.072 R)
• M8: 4,494,818 km (0.114 R)
• M9: 4,779,353 km (0.098 R)
• M10: 5,038,157 km (0.1 R)
• M11: 7,555,141 km (0.116 R)
• M12: 9,307,381 km (0.098 R)
• M13: 11,574,686 km (0.109 R)
• M14: 12,245,483 km (0.076 R)
• M15: 14,874,815 km (0.113 R)
• M16: 15,506,418 km (0.111 R)
• M17: 17,248,934 km (0.05 R)
• M18: 23,462,930 km (0.115 R)
• M19: 23,994,900 km (0.12 R)
• M20: 30,638,542 km (0.12 R)
• M21: 34,038,153 km (0.112 R)
• M22: 35,549,241 km (0.119 R)
• M23: 40,959,299 km (0.09 R)
• M24: 43,939,438 km (0.079 R)
• M25: 47,567,037 km (0.113 R)
• M26: 49,627,298 km (0.115 R)
• M27: 54,664,558 km (0.078 R)
• M28: 58,464,045 km (0.107 R)
• M29: 65,740,036 km (0.107 R)
• M30: 74,734,907 km (0.064 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 13,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit