🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.51 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 9.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.52 AU - 3.52 AU

Year: 3623 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,351,336 km

• M1: 116,836 km (0.1 R)
• M2: 554,859 km (0.073 R)
• M3: 1,047,783 km (0.086 R)
• M4: 1,419,534 km (0.057 R)
• M5: 1,837,211 km (0.059 R)
• M6: 2,132,966 km (0.108 R)
• M7: 2,604,200 km (0.055 R)
• M8: 3,521,534 km (0.081 R)
• M9: 3,824,769 km (0.115 R)
• M10: 5,153,347 km (0.108 R)
• M11: 6,292,386 km (0.057 R)
• M12: 6,741,030 km (0.096 R)
• M13: 8,998,611 km (0.08 R)
• M14: 9,536,565 km (0.08 R)
• M15: 11,243,327 km (0.096 R)
• M16: 11,570,797 km (0.068 R)
• M17: 12,207,037 km (0.076 R)
• M18: 12,553,206 km (0.11 R)
• M19: 13,064,681 km (0.059 R)
• M20: 13,672,198 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 11.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.62 AU - 3.68 AU

Year: 4813 Days

Day: 11.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,351,336 km

• M1: 145,409 km (0.072 R)
• M2: 908,508 km (0.103 R)
• M3: 1,436,738 km (0.106 R)
• M4: 1,955,843 km (0.067 R)
• M5: 2,390,125 km (0.115 R)
• M6: 3,259,139 km (0.109 R)
• M7: 3,918,716 km (0.116 R)
• M8: 4,518,454 km (0.042 R)
• M9: 4,943,162 km (0.058 R)
• M10: 5,339,896 km (0.103 R)
• M11: 5,815,318 km (0.085 R)
• M12: 8,114,637 km (0.079 R)
• M13: 9,689,155 km (0.116 R)
• M14: 11,504,226 km (0.118 R)
• M15: 12,156,772 km (0.115 R)
• M16: 14,852,974 km (0.094 R)
• M17: 16,081,173 km (0.085 R)
• M18: 16,956,619 km (0.109 R)
• M19: 17,802,147 km (0.074 R)
• M20: 18,173,000 km (0.078 R)
• M21: 20,643,010 km (0.045 R)
• M22: 21,259,353 km (0.112 R)
• M23: 22,313,719 km (0.038 R)
• M24: 23,182,135 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.9

Radius: 11.7

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.05 AU - 4.97 AU

Year: 5543 Days

Day: 8.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,351,336 km

• M1: 145,559 km (0.105 R)
• M2: 971,489 km (0.113 R)
• M3: 1,336,657 km (0.083 R)
• M4: 2,429,021 km (0.081 R)
• M5: 2,865,248 km (0.093 R)
• M6: 3,528,565 km (0.062 R)
• M7: 4,017,900 km (0.084 R)
• M8: 7,252,056 km (0.11 R)
• M9: 8,404,558 km (0.067 R)
• M10: 9,675,242 km (0.073 R)
• M11: 10,973,004 km (0.093 R)
• M12: 11,714,411 km (0.085 R)
• M13: 14,428,715 km (0.081 R)
• M14: 15,017,981 km (0.079 R)
• M15: 15,623,254 km (0.111 R)
• M16: 17,207,944 km (0.09 R)
• M17: 18,897,353 km (0.075 R)
• M18: 24,877,079 km (0.067 R)
• M19: 25,383,468 km (0.076 R)
• M20: 28,019,532 km (0.11 R)
• M21: 32,009,606 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.6

Radius: 10.8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4 AU - 4.8 AU

Year: 6371 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,351,336 km

• M1: 134,339 km (0.115 R)
• M2: 471,383 km (0.11 R)
• M3: 876,494 km (0.106 R)
• M4: 2,423,037 km (0.065 R)
• M5: 2,831,289 km (0.065 R)
• M6: 3,629,544 km (0.114 R)
• M7: 6,900,351 km (0.072 R)
• M8: 9,194,285 km (0.031 R)
• M9: 10,422,184 km (0.067 R)
• M10: 12,208,383 km (0.081 R)
• M11: 13,308,675 km (0.081 R)
• M12: 13,855,156 km (0.07 R)
• M13: 16,627,205 km (0.108 R)
• M14: 17,715,081 km (0.03 R)
• M15: 18,510,941 km (0.064 R)
• M16: 19,961,143 km (0.068 R)
• M17: 21,560,195 km (0.107 R)
• M18: 25,760,155 km (0.039 R)
• M19: 28,007,414 km (0.118 R)
• M20: 29,915,385 km (0.11 R)
• M21: 31,618,557 km (0.064 R)
• M22: 32,690,725 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 11.8

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.55 AU - 4.61 AU

Year: 6766 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,351,336 km

• M1: 147,354 km (0.092 R)
• M2: 558,449 km (0.11 R)
• M3: 964,009 km (0.077 R)
• M4: 1,587,682 km (0.072 R)
• M5: 2,000,572 km (0.101 R)
• M6: 4,651,596 km (0.085 R)
• M7: 7,660,907 km (0.102 R)
• M8: 10,808,297 km (0.064 R)
• M9: 12,695,025 km (0.06 R)
• M10: 13,542,646 km (0.103 R)
• M11: 15,603,357 km (0.087 R)
• M12: 19,587,896 km (0.116 R)
• M13: 22,619,647 km (0.068 R)
• M14: 26,947,214 km (0.077 R)
• M15: 30,584,088 km (0.079 R)
• M16: 32,002,724 km (0.103 R)
• M17: 32,937,562 km (0.12 R)
• M18: 35,189,608 km (0.07 R)
• M19: 36,073,881 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.5

Radius: 13.8

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.06 AU - 5.34 AU

Year: 8185 Days

Day: 7.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,351,336 km

• M1: 171,589 km (0.062 R)
• M2: 637,586 km (0.042 R)
• M3: 1,183,020 km (0.113 R)
• M4: 2,042,909 km (0.08 R)
• M5: 2,668,676 km (0.104 R)
• M6: 4,265,185 km (0.069 R)
• M7: 5,665,870 km (0.078 R)
• M8: 7,484,531 km (0.037 R)
• M9: 11,051,094 km (0.064 R)
• M10: 13,912,452 km (0.102 R)
• M11: 17,235,919 km (0.092 R)
• M12: 18,113,460 km (0.114 R)
• M13: 20,794,254 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765

Radius: 6.8

Gravity: 16.54 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.27 AU - 8.11 AU

Year: 14720 Days

Day: 18.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,351,336 km

• M1: 103,821 km (0.079 R)
• M2: 484,847 km (0.115 R)
• M3: 750,383 km (0.108 R)
• M4: 1,018,163 km (0.047 R)
• M5: 1,240,316 km (0.112 R)
• M6: 1,668,166 km (0.11 R)
• M7: 2,036,476 km (0.119 R)
• M8: 2,984,178 km (0.097 R)
• M9: 3,500,889 km (0.117 R)
• M10: 3,752,064 km (0.072 R)
• M11: 4,166,899 km (0.099 R)
• M12: 5,301,898 km (0.085 R)
• M13: 5,521,807 km (0.101 R)
• M14: 6,546,253 km (0.104 R)
• M15: 7,645,498 km (0.103 R)
• M16: 10,660,793 km (0.096 R)
• M17: 10,894,016 km (0.106 R)
• M18: 12,494,564 km (0.08 R)
• M19: 13,622,083 km (0.042 R)
• M20: 14,105,434 km (0.112 R)
• M21: 14,888,130 km (0.041 R)
• M22: 15,106,543 km (0.099 R)
• M23: 15,624,600 km (0.1 R)
• M24: 16,077,882 km (0.086 R)
• M25: 16,462,348 km (0.036 R)
• M26: 16,852,799 km (0.08 R)
• M27: 17,410,051 km (0.089 R)
• M28: 23,773,346 km (0.113 R)
• M29: 27,414,558 km (0.074 R)
• M30: 27,633,270 km (0.106 R)
• M31: 30,348,471 km (0.078 R)
• M32: 32,011,850 km (0.098 R)
• M33: 37,634,187 km (0.065 R)
• M34: 38,997,771 km (0.112 R)
• M35: 40,112,275 km (0.087 R)
• M36: 46,779,105 km (0.096 R)
• M37: 49,965,390 km (0.086 R)
• M38: 52,616,264 km (0.07 R)
• M39: 58,376,979 km (0.078 R)
• M40: 63,966,554 km (0.12 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: 368 - 19,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit