🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 8.8

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.75 AU - 1.13 AU

Year: 618 Days

Day: 5.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,484,011 km

• M1: 109,655 km (0.049 R)
• M2: 476,619 km (0.117 R)
• M3: 792,570 km (0.097 R)
• M4: 1,288,786 km (0.039 R)
• M5: 1,731,446 km (0.104 R)
• M6: 2,395,810 km (0.1 R)
• M7: 3,770,914 km (0.091 R)
• M8: 5,270,632 km (0.112 R)
• M9: 6,181,683 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.7

Radius: 10

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.02 AU - 1.4 AU

Year: 903 Days

Day: 5.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,484,011 km

• M1: 124,465 km (0.101 R)
• M2: 577,149 km (0.106 R)
• M3: 893,847 km (0.118 R)
• M4: 1,254,079 km (0.116 R)
• M5: 1,738,327 km (0.106 R)
• M6: 2,094,370 km (0.061 R)
• M7: 2,409,872 km (0.086 R)
• M8: 3,165,042 km (0.113 R)
• M9: 3,776,299 km (0.061 R)
• M10: 4,566,774 km (0.077 R)
• M11: 5,290,678 km (0.106 R)
• M12: 6,068,438 km (0.086 R)
• M13: 6,875,069 km (0.113 R)
• M14: 8,673,984 km (0.114 R)
• M15: 9,639,339 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 12.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.23 AU - 1.79 AU

Year: 1259 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,484,011 km

• M1: 158,275 km (0.069 R)
• M2: 744,100 km (0.094 R)
• M3: 1,350,570 km (0.116 R)
• M4: 2,039,617 km (0.078 R)
• M5: 2,658,055 km (0.089 R)
• M6: 3,490,866 km (0.088 R)
• M7: 4,764,543 km (0.111 R)
• M8: 5,417,537 km (0.055 R)
• M9: 6,247,656 km (0.116 R)
• M10: 6,882,100 km (0.075 R)
• M11: 7,380,261 km (0.06 R)
• M12: 7,855,983 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180

Radius: 11

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.56 AU - 2.5 AU

Year: 1962 Days

Day: 9.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,484,011 km

• M1: 141,819 km (0.104 R)
• M2: 878,439 km (0.103 R)
• M3: 1,246,898 km (0.081 R)
• M4: 1,591,721 km (0.118 R)
• M5: 2,368,284 km (0.108 R)
• M6: 2,855,973 km (0.067 R)
• M7: 3,213,213 km (0.059 R)
• M8: 3,766,874 km (0.104 R)
• M9: 4,842,932 km (0.106 R)
• M10: 5,714,788 km (0.099 R)
• M11: 6,665,483 km (0.107 R)
• M12: 7,371,884 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 9.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.68 AU - 3.76 AU

Year: 3919 Days

Day: 7.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,484,011 km

• M1: 119,529 km (0.086 R)
• M2: 583,282 km (0.071 R)
• M3: 1,277,715 km (0.044 R)
• M4: 1,892,862 km (0.045 R)
• M5: 2,439,492 km (0.048 R)
• M6: 3,073,039 km (0.119 R)
• M7: 3,404,548 km (0.095 R)
• M8: 4,505,738 km (0.117 R)
• M9: 4,935,234 km (0.089 R)
• M10: 5,504,603 km (0.115 R)
• M11: 6,092,972 km (0.115 R)
• M12: 7,202,240 km (0.117 R)
• M13: 7,619,319 km (0.05 R)
• M14: 8,260,196 km (0.097 R)
• M15: 8,842,281 km (0.093 R)
• M16: 10,969,264 km (0.081 R)
• M17: 11,410,129 km (0.115 R)
• M18: 12,210,029 km (0.057 R)
• M19: 13,375,396 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.1

Radius: 3.8

Gravity: 42.67 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.73 AU - 6.63 AU

Year: 9182 Days

Day: 24.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,484,011 km

• M1: 47,572 km (0.065 R)
• M2: 222,751 km (0.104 R)
• M3: 658,380 km (0.034 R)
• M4: 887,714 km (0.074 R)
• M5: 1,249,890 km (0.114 R)
• M6: 1,386,024 km (0.071 R)
• M7: 1,733,241 km (0.103 R)
• M8: 1,919,191 km (0.061 R)
• M9: 2,223,174 km (0.09 R)
• M10: 2,349,734 km (0.08 R)
• M11: 3,305,215 km (0.099 R)
• M12: 4,726,545 km (0.103 R)
• M13: 6,221,775 km (0.114 R)
• M14: 6,510,649 km (0.075 R)
• M15: 7,076,129 km (0.112 R)
• M16: 7,430,825 km (0.063 R)
• M17: 7,673,772 km (0.093 R)
• M18: 7,838,779 km (0.113 R)
• M19: 8,833,156 km (0.051 R)
• M20: 12,599,581 km (0.064 R)
• M21: 14,142,235 km (0.115 R)
• M22: 14,958,889 km (0.072 R)
• M23: 15,476,797 km (0.108 R)
• M24: 17,811,571 km (0.074 R)
• M25: 17,955,784 km (0.112 R)
• M26: 18,540,562 km (0.069 R)
• M27: 18,837,513 km (0.109 R)
• M28: 21,902,475 km (0.069 R)
• M29: 24,563,522 km (0.087 R)
• M30: 27,050,287 km (0.087 R)
• M31: 28,897,372 km (0.085 R)
• M32: 37,717,962 km (0.11 R)
• M33: 37,955,822 km (0.12 R)
• M34: 42,926,959 km (0.028 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.9

Radius: 5.8

Gravity: 25.32 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.9 AU - 6.08 AU

Year: 9943 Days

Day: 23.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,484,011 km

• M1: 72,405 km (0.027 R)
• M2: 361,279 km (0.112 R)
• M3: 1,138,589 km (0.115 R)
• M4: 1,348,774 km (0.075 R)
• M5: 1,541,456 km (0.069 R)
• M6: 1,784,104 km (0.058 R)
• M7: 2,052,333 km (0.112 R)
• M8: 2,504,717 km (0.069 R)
• M9: 3,378,668 km (0.115 R)
• M10: 4,149,247 km (0.111 R)
• M11: 5,194,786 km (0.103 R)
• M12: 7,492,460 km (0.04 R)
• M13: 9,820,801 km (0.047 R)
• M14: 10,497,133 km (0.025 R)
• M15: 10,819,516 km (0.07 R)
• M16: 13,768,390 km (0.118 R)
• M17: 15,495,048 km (0.074 R)
• M18: 17,286,782 km (0.11 R)
• M19: 20,516,600 km (0.097 R)
• M20: 23,757,638 km (0.075 R)
• M21: 28,036,735 km (0.106 R)
• M22: 47,454,838 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.5

Radius: 7.4

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.8 AU - 7.44 AU

Year: 10269 Days

Day: 18.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,484,011 km

• M1: 92,601 km (0.095 R)
• M2: 323,879 km (0.025 R)
• M3: 851,960 km (0.08 R)
• M4: 1,106,725 km (0.092 R)
• M5: 2,323,105 km (0.079 R)
• M6: 3,154,869 km (0.074 R)
• M7: 3,777,047 km (0.066 R)
• M8: 4,449,489 km (0.106 R)
• M9: 5,488,895 km (0.103 R)
• M10: 8,558,494 km (0.101 R)
• M11: 8,871,902 km (0.048 R)
• M12: 9,522,054 km (0.115 R)
• M13: 9,956,486 km (0.089 R)
• M14: 11,827,507 km (0.102 R)
• M15: 13,556,409 km (0.078 R)
• M16: 16,941,061 km (0.108 R)
• M17: 22,248,046 km (0.119 R)
• M18: 25,138,426 km (0.061 R)
• M19: 25,782,146 km (0.114 R)
• M20: 26,342,689 km (0.078 R)
• M21: 27,198,538 km (0.112 R)
• M22: 28,368,543 km (0.087 R)
• M23: 29,673,336 km (0.095 R)
• M24: 30,185,709 km (0.083 R)
• M25: 31,758,282 km (0.12 R)
• M26: 34,274,368 km (0.084 R)
• M27: 36,217,495 km (0.092 R)
• M28: 43,136,247 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.8

Radius: 6

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.46 AU - 6.5 AU

Year: 11188 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,484,011 km

• M1: 74,649 km (0.029 R)
• M2: 364,121 km (0.1 R)
• M3: 593,455 km (0.044 R)
• M4: 981,512 km (0.09 R)
• M5: 1,334,563 km (0.072 R)
• M6: 2,633,820 km (0.08 R)
• M7: 2,827,250 km (0.108 R)
• M8: 3,340,820 km (0.092 R)
• M9: 3,778,543 km (0.113 R)
• M10: 4,991,632 km (0.114 R)
• M11: 5,222,013 km (0.081 R)
• M12: 5,919,887 km (0.071 R)
• M13: 6,444,227 km (0.084 R)
• M14: 6,837,221 km (0.044 R)
• M15: 7,246,222 km (0.108 R)
• M16: 7,845,810 km (0.072 R)
• M17: 8,203,199 km (0.055 R)
• M18: 9,439,476 km (0.108 R)
• M19: 9,998,224 km (0.1 R)
• M20: 17,372,053 km (0.084 R)
• M21: 18,678,491 km (0.06 R)
• M22: 21,832,912 km (0.084 R)
• M23: 23,627,787 km (0.116 R)
• M24: 25,132,741 km (0.091 R)
• M25: 29,278,846 km (0.054 R)
• M26: 42,605,474 km (0.102 R)
• M27: 48,307,247 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.4

Radius: 4.4

Gravity: 33.44 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.6 AU - 8.84 AU

Year: 13158 Days

Day: 19.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,484,011 km

• M1: 55,800 km (0.107 R)
• M2: 209,587 km (0.063 R)
• M3: 600,037 km (0.057 R)
• M4: 750,233 km (0.041 R)
• M5: 1,165,367 km (0.046 R)
• M6: 1,735,784 km (0.115 R)
• M7: 2,331,782 km (0.035 R)
• M8: 3,915,425 km (0.1 R)
• M9: 4,355,991 km (0.066 R)
• M10: 5,231,138 km (0.088 R)
• M11: 5,440,575 km (0.06 R)
• M12: 5,913,305 km (0.104 R)
• M13: 6,413,111 km (0.057 R)
• M14: 8,080,978 km (0.098 R)
• M15: 8,647,355 km (0.054 R)
• M16: 8,891,050 km (0.061 R)
• M17: 9,039,451 km (0.037 R)
• M18: 9,545,990 km (0.066 R)
• M19: 12,304,425 km (0.045 R)
• M20: 12,863,023 km (0.082 R)
• M21: 15,196,750 km (0.101 R)
• M22: 20,422,503 km (0.094 R)
• M23: 21,916,537 km (0.038 R)
• M24: 23,670,871 km (0.069 R)
• M25: 27,560,865 km (0.104 R)
• M26: 27,876,516 km (0.088 R)
• M27: 30,154,742 km (0.11 R)
• M28: 34,831,770 km (0.074 R)
• M29: 35,324,545 km (0.085 R)
• M30: 35,821,809 km (0.1 R)
• M31: 36,450,120 km (0.117 R)
• M32: 38,640,980 km (0.027 R)
• M33: 40,645,592 km (0.105 R)
• M34: 43,852,372 km (0.093 R)
• M35: 51,875,455 km (0.118 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 18,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit