🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 11.7

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.89 AU - 1.33 AU

Year: 780 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,311,633 km

• M1: 145,708 km (0.093 R)
• M2: 586,124 km (0.077 R)
• M3: 1,079,349 km (0.077 R)
• M4: 1,487,152 km (0.086 R)
• M5: 1,856,360 km (0.085 R)
• M6: 2,421,541 km (0.038 R)
• M7: 3,136,918 km (0.07 R)
• M8: 3,627,898 km (0.092 R)
• M9: 4,357,038 km (0.091 R)
• M10: 4,816,154 km (0.119 R)
• M11: 5,416,939 km (0.113 R)
• M12: 6,473,549 km (0.037 R)
• M13: 7,007,164 km (0.098 R)
• M14: 7,593,139 km (0.107 R)
• M15: 8,041,783 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922

Radius: 12.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.26 AU - 1.3 AU

Year: 966 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,311,633 km

• M1: 156,779 km (0.116 R)
• M2: 592,258 km (0.118 R)
• M3: 1,085,931 km (0.103 R)
• M4: 1,480,720 km (0.075 R)
• M5: 2,201,482 km (0.114 R)
• M6: 2,600,909 km (0.112 R)
• M7: 3,131,383 km (0.054 R)
• M8: 3,534,549 km (0.1 R)
• M9: 4,087,612 km (0.096 R)
• M10: 4,753,173 km (0.071 R)
• M11: 5,409,010 km (0.08 R)
• M12: 6,256,781 km (0.074 R)
• M13: 7,021,376 km (0.113 R)
• M14: 7,978,054 km (0.07 R)
• M15: 8,905,860 km (0.063 R)
• M16: 9,632,906 km (0.11 R)
• M17: 10,399,296 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.5

Radius: 11.1

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.9 AU - 2.12 AU

Year: 1900 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,311,633 km

• M1: 138,079 km (0.072 R)
• M2: 507,137 km (0.032 R)
• M3: 1,003,802 km (0.079 R)
• M4: 1,482,066 km (0.094 R)
• M5: 2,395,212 km (0.097 R)
• M6: 3,701,799 km (0.047 R)
• M7: 5,165,166 km (0.099 R)
• M8: 5,526,893 km (0.061 R)
• M9: 5,953,995 km (0.117 R)
• M10: 7,625,602 km (0.108 R)
• M11: 8,006,328 km (0.096 R)
• M12: 8,523,339 km (0.079 R)
• M13: 9,930,905 km (0.062 R)
• M14: 10,708,216 km (0.091 R)
• M15: 11,988,923 km (0.091 R)
• M16: 12,788,524 km (0.117 R)
• M17: 13,708,700 km (0.105 R)
• M18: 14,097,655 km (0.097 R)
• M19: 15,916,316 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.2

Radius: 11.5

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.82 AU - 2.64 AU

Year: 2221 Days

Day: 7.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,311,633 km

• M1: 143,315 km (0.06 R)
• M2: 522,545 km (0.087 R)
• M3: 947,703 km (0.054 R)
• M4: 1,541,307 km (0.074 R)
• M5: 1,964,669 km (0.083 R)
• M6: 2,452,358 km (0.071 R)
• M7: 2,927,182 km (0.094 R)
• M8: 3,656,022 km (0.041 R)
• M9: 4,180,363 km (0.113 R)
• M10: 4,648,006 km (0.096 R)
• M11: 5,713,442 km (0.041 R)
• M12: 6,990,409 km (0.075 R)
• M13: 10,353,818 km (0.052 R)
• M14: 10,796,628 km (0.065 R)
• M15: 11,175,260 km (0.104 R)
• M16: 11,759,889 km (0.059 R)
• M17: 12,283,032 km (0.107 R)
• M18: 13,246,592 km (0.076 R)
• M19: 14,762,168 km (0.119 R)
• M20: 15,948,330 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.2

Radius: 14.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.6 AU - 3.78 AU

Year: 4727 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 96.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,311,633 km

• M1: 175,329 km (0.069 R)
• M2: 658,979 km (0.051 R)
• M3: 1,120,039 km (0.064 R)
• M4: 1,695,542 km (0.075 R)
• M5: 2,404,038 km (0.08 R)
• M6: 3,844,067 km (0.082 R)
• M7: 4,867,765 km (0.108 R)
• M8: 5,374,902 km (0.056 R)
• M9: 5,858,402 km (0.119 R)
• M10: 6,654,562 km (0.116 R)
• M11: 7,591,643 km (0.078 R)
• M12: 8,202,302 km (0.119 R)
• M13: 8,768,380 km (0.096 R)
• M14: 9,481,812 km (0.117 R)
• M15: 10,980,185 km (0.087 R)
• M16: 11,575,285 km (0.092 R)
• M17: 17,018,852 km (0.116 R)
• M18: 19,487,815 km (0.097 R)
• M19: 19,955,159 km (0.038 R)
• M20: 22,917,496 km (0.099 R)
• M21: 23,363,447 km (0.089 R)
• M22: 27,641,647 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 8.2

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.69 AU - 5.31 AU

Year: 6366 Days

Day: 6.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,311,633 km

• M1: 102,026 km (0.039 R)
• M2: 415,583 km (0.108 R)
• M3: 786,586 km (0.045 R)
• M4: 1,160,431 km (0.089 R)
• M5: 1,769,294 km (0.103 R)
• M6: 2,099,905 km (0.12 R)
• M7: 3,121,509 km (0.116 R)
• M8: 3,390,187 km (0.111 R)
• M9: 4,070,109 km (0.078 R)
• M10: 4,341,181 km (0.103 R)
• M11: 4,650,549 km (0.113 R)
• M12: 5,489,195 km (0.119 R)
• M13: 6,101,948 km (0.096 R)
• M14: 6,827,796 km (0.109 R)
• M15: 7,176,210 km (0.092 R)
• M16: 9,651,456 km (0.061 R)
• M17: 10,135,405 km (0.094 R)
• M18: 10,451,655 km (0.068 R)
• M19: 11,783,525 km (0.071 R)
• M20: 12,490,375 km (0.114 R)
• M21: 13,712,440 km (0.059 R)
• M22: 15,483,080 km (0.091 R)
• M23: 16,269,068 km (0.115 R)
• M24: 18,786,949 km (0.115 R)
• M25: 28,145,194 km (0.086 R)
• M26: 29,497,559 km (0.117 R)
• M27: 30,236,273 km (0.072 R)
• M28: 32,234,003 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.3

Radius: 5.2

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.4 AU - 7.32 AU

Year: 9460 Days

Day: 18.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,311,633 km

• M1: 64,626 km (0.119 R)
• M2: 317,147 km (0.104 R)
• M3: 724,502 km (0.112 R)
• M4: 1,332,169 km (0.084 R)
• M5: 2,976,998 km (0.115 R)
• M6: 4,009,821 km (0.047 R)
• M7: 4,546,130 km (0.069 R)
• M8: 7,175,611 km (0.038 R)
• M9: 11,469,370 km (0.063 R)
• M10: 16,511,865 km (0.091 R)
• M11: 22,570,429 km (0.102 R)
• M12: 24,777,746 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.7

Radius: 3.5

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.1 AU - 7.74 AU

Year: 12139 Days

Day: 18.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,311,633 km

• M1: 43,533 km (0.108 R)
• M2: 234,420 km (0.108 R)
• M3: 431,590 km (0.106 R)
• M4: 645,964 km (0.054 R)
• M5: 1,146,817 km (0.094 R)
• M6: 1,399,638 km (0.074 R)
• M7: 1,941,032 km (0.119 R)
• M8: 2,250,700 km (0.112 R)
• M9: 3,046,710 km (0.088 R)
• M10: 3,335,135 km (0.075 R)
• M11: 4,437,522 km (0.099 R)
• M12: 5,256,121 km (0.065 R)
• M13: 5,610,070 km (0.083 R)
• M14: 7,365,451 km (0.082 R)
• M15: 8,074,695 km (0.115 R)
• M16: 10,156,947 km (0.073 R)
• M17: 12,519,397 km (0.056 R)
• M18: 12,779,249 km (0.1 R)
• M19: 13,526,191 km (0.114 R)
• M20: 13,744,753 km (0.038 R)
• M21: 20,291,156 km (0.118 R)
• M22: 21,900,530 km (0.034 R)
• M23: 24,309,654 km (0.111 R)
• M24: 26,291,975 km (0.11 R)
• M25: 27,935,607 km (0.115 R)
• M26: 28,917,867 km (0.061 R)
• M27: 29,280,642 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.4

Radius: 6.8

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.79 AU - 10.83 AU

Year: 18943 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,311,633 km

• M1: 138,976 km (0.109 R)
• M2: 409,001 km (0.095 R)
• M3: 763,099 km (0.115 R)
• M4: 1,636,302 km (0.059 R)
• M5: 1,957,787 km (0.094 R)
• M6: 2,407,179 km (0.106 R)
• M7: 3,398,564 km (0.033 R)
• M8: 3,625,654 km (0.102 R)
• M9: 3,863,066 km (0.1 R)
• M10: 4,303,482 km (0.04 R)
• M11: 5,246,846 km (0.094 R)
• M12: 7,346,602 km (0.095 R)
• M13: 8,122,267 km (0.118 R)
• M14: 12,836,844 km (0.086 R)
• M15: 13,320,194 km (0.096 R)
• M16: 13,672,797 km (0.09 R)
• M17: 14,470,452 km (0.083 R)
• M18: 14,918,498 km (0.042 R)
• M19: 15,685,636 km (0.041 R)
• M20: 19,375,767 km (0.031 R)
• M21: 20,755,358 km (0.081 R)
• M22: 21,905,167 km (0.07 R)
• M23: 22,996,035 km (0.107 R)
• M24: 23,915,164 km (0.118 R)
• M25: 25,826,427 km (0.104 R)
• M26: 29,234,266 km (0.049 R)
• M27: 31,790,445 km (0.086 R)
• M28: 32,167,432 km (0.085 R)
• M29: 35,560,311 km (0.066 R)
• M30: 36,512,951 km (0.052 R)
• M31: 40,054,082 km (0.032 R)
• M32: 42,588,719 km (0.099 R)
• M33: 47,155,942 km (0.107 R)
• M34: 48,471,056 km (0.077 R)
• M35: 49,641,660 km (0.038 R)
• M36: 51,174,290 km (0.031 R)
• M37: 53,089,891 km (0.102 R)
• M38: 63,787,036 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 15,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit