🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.6

Radius: 8.6

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.59 AU - 0.79 AU

Year: 403 Days

Day: 13.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,094,534 km

• M1: 107,262 km (0.109 R)
• M2: 455,974 km (0.083 R)
• M3: 740,210 km (0.113 R)
• M4: 1,187,508 km (0.093 R)
• M5: 1,549,385 km (0.107 R)
• M6: 1,918,443 km (0.064 R)
• M7: 2,308,445 km (0.103 R)
• M8: 2,597,318 km (0.06 R)
• M9: 3,133,178 km (0.076 R)
• M10: 3,488,922 km (0.086 R)
• M11: 4,086,715 km (0.114 R)
• M12: 4,705,751 km (0.118 R)
• M13: 5,254,476 km (0.085 R)
• M14: 5,740,968 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.5

Radius: 13.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.71 AU - 0.99 AU

Year: 551 Days

Day: 6.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,094,534 km

• M1: 169,195 km (0.097 R)
• M2: 623,524 km (0.109 R)
• M3: 1,876,855 km (0.091 R)
• M4: 3,110,888 km (0.067 R)
• M5: 4,449,639 km (0.081 R)
• M6: 5,332,566 km (0.105 R)
• M7: 5,816,365 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 12.3

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.34 AU - 2.2 AU

Year: 1655 Days

Day: 9.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,094,534 km

• M1: 153,039 km (0.047 R)
• M2: 574,456 km (0.058 R)
• M3: 1,075,459 km (0.109 R)
• M4: 1,488,648 km (0.082 R)
• M5: 1,911,412 km (0.113 R)
• M6: 2,351,978 km (0.046 R)
• M7: 3,111,785 km (0.093 R)
• M8: 3,659,164 km (0.056 R)
• M9: 4,521,596 km (0.117 R)
• M10: 4,948,548 km (0.106 R)
• M11: 6,546,104 km (0.075 R)
• M12: 7,014,345 km (0.102 R)
• M13: 8,018,296 km (0.116 R)
• M14: 14,263,259 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 12.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.46 AU - 2.18 AU

Year: 1726 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,094,534 km

• M1: 153,039 km (0.078 R)
• M2: 537,056 km (0.064 R)
• M3: 931,546 km (0.102 R)
• M4: 1,321,996 km (0.116 R)
• M5: 1,716,636 km (0.057 R)
• M6: 2,405,384 km (0.079 R)
• M7: 2,947,527 km (0.111 R)
• M8: 3,332,891 km (0.084 R)
• M9: 4,152,238 km (0.119 R)
• M10: 5,122,381 km (0.041 R)
• M11: 5,750,991 km (0.048 R)
• M12: 8,704,053 km (0.099 R)
• M13: 9,568,878 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 14.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.38 AU - 3.32 AU

Year: 3382 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,094,534 km

• M1: 180,265 km (0.11 R)
• M2: 632,051 km (0.055 R)
• M3: 1,185,563 km (0.11 R)
• M4: 1,834,818 km (0.092 R)
• M5: 2,288,099 km (0.104 R)
• M6: 3,564,468 km (0.078 R)
• M7: 4,461,158 km (0.099 R)
• M8: 5,050,873 km (0.052 R)
• M9: 5,764,305 km (0.116 R)
• M10: 7,800,482 km (0.092 R)
• M11: 9,080,142 km (0.073 R)
• M12: 12,173,676 km (0.083 R)
• M13: 12,867,810 km (0.055 R)
• M14: 13,936,388 km (0.074 R)
• M15: 16,593,695 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.1

Radius: 10.1

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.67 AU - 5.93 AU

Year: 7392 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,094,534 km

• M1: 126,111 km (0.09 R)
• M2: 476,768 km (0.069 R)
• M3: 943,065 km (0.069 R)
• M4: 1,804,300 km (0.049 R)
• M5: 3,188,080 km (0.105 R)
• M6: 3,665,896 km (0.097 R)
• M7: 4,568,719 km (0.067 R)
• M8: 5,057,754 km (0.086 R)
• M9: 8,127,652 km (0.12 R)
• M10: 9,289,729 km (0.094 R)
• M11: 13,152,346 km (0.107 R)
• M12: 14,626,932 km (0.106 R)
• M13: 18,182,873 km (0.088 R)
• M14: 18,754,636 km (0.097 R)
• M15: 19,191,163 km (0.037 R)
• M16: 20,541,732 km (0.036 R)
• M17: 21,874,649 km (0.118 R)
• M18: 22,849,429 km (0.075 R)
• M19: 27,785,411 km (0.12 R)
• M20: 28,928,488 km (0.044 R)
• M21: 30,400,980 km (0.083 R)
• M22: 30,902,881 km (0.04 R)
• M23: 31,512,193 km (0.115 R)
• M24: 33,601,776 km (0.109 R)
• M25: 34,246,094 km (0.118 R)
• M26: 38,637,689 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.6

Radius: 6.1

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.7 AU - 6.3 AU

Year: 10331 Days

Day: 23.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,094,534 km

• M1: 75,846 km (0.118 R)
• M2: 283,039 km (0.114 R)
• M3: 499,806 km (0.118 R)
• M4: 908,358 km (0.082 R)
• M5: 1,558,062 km (0.06 R)
• M6: 2,188,318 km (0.073 R)
• M7: 2,720,138 km (0.034 R)
• M8: 3,581,523 km (0.095 R)
• M9: 4,503,943 km (0.11 R)
• M10: 5,795,571 km (0.105 R)
• M11: 8,578,092 km (0.103 R)
• M12: 12,620,525 km (0.105 R)
• M13: 16,263,533 km (0.028 R)
• M14: 18,881,944 km (0.084 R)
• M15: 24,766,975 km (0.088 R)
• M16: 26,232,585 km (0.105 R)
• M17: 29,811,415 km (0.08 R)
• M18: 30,003,349 km (0.09 R)
• M19: 31,667,476 km (0.109 R)
• M20: 33,806,725 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.8

Radius: 3.4

Gravity: 77.06 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.12 AU - 8.08 AU

Year: 13298 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,094,534 km

• M1: 42,336 km (0.081 R)
• M2: 154,235 km (0.111 R)
• M3: 496,815 km (0.032 R)
• M4: 619,485 km (0.057 R)
• M5: 1,128,118 km (0.048 R)
• M6: 1,273,078 km (0.113 R)
• M7: 1,632,711 km (0.053 R)
• M8: 1,981,125 km (0.055 R)
• M9: 2,314,429 km (0.097 R)
• M10: 2,753,199 km (0.088 R)
• M11: 2,992,257 km (0.119 R)
• M12: 3,167,585 km (0.116 R)
• M13: 3,511,660 km (0.08 R)
• M14: 5,651,508 km (0.04 R)
• M15: 6,564,953 km (0.091 R)
• M16: 7,300,226 km (0.104 R)
• M17: 7,572,345 km (0.094 R)
• M18: 8,678,472 km (0.118 R)
• M19: 10,851,231 km (0.066 R)
• M20: 11,751,511 km (0.105 R)
• M21: 13,974,386 km (0.094 R)
• M22: 15,038,326 km (0.084 R)
• M23: 15,701,942 km (0.11 R)
• M24: 20,098,923 km (0.085 R)
• M25: 24,037,236 km (0.036 R)
• M26: 24,537,791 km (0.072 R)
• M27: 26,609,721 km (0.114 R)
• M28: 29,473,473 km (0.115 R)
• M29: 33,395,481 km (0.105 R)
• M30: 33,893,342 km (0.114 R)
• M31: 34,649,260 km (0.068 R)
• M32: 36,325,505 km (0.076 R)
• M33: 36,588,198 km (0.071 R)
• M34: 40,680,598 km (0.103 R)
• M35: 46,907,310 km (0.115 R)
• M36: 55,285,239 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.6

Radius: 3.3

Gravity: 65.34 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.99 AU - 8.83 AU

Year: 15638 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,094,534 km

• M1: 41,289 km (0.06 R)
• M2: 194,776 km (0.052 R)
• M3: 540,796 km (0.037 R)
• M4: 737,069 km (0.065 R)
• M5: 944,561 km (0.102 R)
• M6: 1,299,108 km (0.113 R)
• M7: 1,491,341 km (0.062 R)
• M8: 1,602,343 km (0.087 R)
• M9: 2,432,910 km (0.051 R)
• M10: 2,655,661 km (0.12 R)
• M11: 2,867,492 km (0.109 R)
• M12: 3,141,705 km (0.107 R)
• M13: 3,543,375 km (0.091 R)
• M14: 4,287,325 km (0.094 R)
• M15: 5,957,586 km (0.107 R)
• M16: 7,636,971 km (0.072 R)
• M17: 7,920,609 km (0.034 R)
• M18: 8,865,319 km (0.074 R)
• M19: 9,827,084 km (0.065 R)
• M20: 10,106,234 km (0.091 R)
• M21: 10,447,915 km (0.042 R)
• M22: 11,275,491 km (0.104 R)
• M23: 12,337,785 km (0.075 R)
• M24: 16,462,498 km (0.092 R)
• M25: 16,776,803 km (0.044 R)
• M26: 21,606,570 km (0.101 R)
• M27: 26,313,069 km (0.079 R)
• M28: 26,634,704 km (0.084 R)
• M29: 26,742,564 km (0.079 R)
• M30: 27,286,053 km (0.107 R)
• M31: 28,507,370 km (0.086 R)
• M32: 32,512,404 km (0.037 R)
• M33: 35,424,327 km (0.093 R)
• M34: 37,010,364 km (0.071 R)
• M35: 45,193,517 km (0.082 R)
• M36: 45,809,262 km (0.095 R)
• M37: 48,971,761 km (0.072 R)
• M38: 49,133,625 km (0.089 R)
• M39: 55,200,567 km (0.056 R)
• M40: 63,654,044 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.9

Radius: 4.5

Gravity: 39.6 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.91 AU - 10.01 AU

Year: 18853 Days

Day: 22 Hours

Environment

Temp: -236 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,094,534 km

• M1: 56,847 km (0.112 R)
• M2: 245,490 km (0.096 R)
• M3: 1,505,852 km (0.082 R)
• M4: 2,509,953 km (0.106 R)
• M5: 2,676,156 km (0.119 R)
• M6: 2,952,314 km (0.099 R)
• M7: 3,561,177 km (0.027 R)
• M8: 4,183,953 km (0.099 R)
• M9: 5,249,838 km (0.097 R)
• M10: 7,505,774 km (0.105 R)
• M11: 7,702,196 km (0.084 R)
• M12: 10,155,451 km (0.116 R)
• M13: 11,203,684 km (0.115 R)
• M14: 13,440,770 km (0.071 R)
• M15: 18,327,684 km (0.112 R)
• M16: 30,520,658 km (0.11 R)
• M17: 41,760,246 km (0.046 R)
• M18: 51,489,044 km (0.054 R)
• M19: 52,376,758 km (0.086 R)
• M20: 66,315,689 km (0.039 R)
• M21: 67,577,697 km (0.117 R)
• M22: 69,500,777 km (0.096 R)
• M23: 71,240,451 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 14,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit