🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.38 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.8

Radius: 11.6

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.14 AU - 3.36 AU

Year: 3148 Days

Day: 10.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,322,823 km

• M1: 144,212 km (0.075 R)
• M2: 676,332 km (0.079 R)
• M3: 1,416,991 km (0.053 R)
• M4: 2,061,758 km (0.077 R)
• M5: 2,511,150 km (0.106 R)
• M6: 3,253,754 km (0.092 R)
• M7: 4,082,526 km (0.082 R)
• M8: 5,437,135 km (0.104 R)
• M9: 5,989,001 km (0.082 R)
• M10: 6,402,190 km (0.107 R)
• M11: 7,071,342 km (0.106 R)
• M12: 8,074,096 km (0.109 R)
• M13: 9,620,789 km (0.098 R)
• M14: 10,155,302 km (0.108 R)
• M15: 11,320,071 km (0.088 R)
• M16: 12,572,055 km (0.045 R)
• M17: 14,382,040 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.2

Radius: 12

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.58 AU - 3.7 AU

Year: 4794 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,322,823 km

• M1: 149,299 km (0.055 R)
• M2: 639,531 km (0.092 R)
• M3: 1,080,246 km (0.048 R)
• M4: 1,524,253 km (0.028 R)
• M5: 1,909,766 km (0.05 R)
• M6: 2,314,578 km (0.119 R)
• M7: 2,777,135 km (0.065 R)
• M8: 3,629,992 km (0.085 R)
• M9: 4,118,130 km (0.072 R)
• M10: 5,392,704 km (0.032 R)
• M11: 6,091,027 km (0.062 R)
• M12: 7,668,088 km (0.085 R)
• M13: 9,461,317 km (0.049 R)
• M14: 10,131,217 km (0.095 R)
• M15: 12,234,413 km (0.086 R)
• M16: 15,796,937 km (0.043 R)
• M17: 16,860,877 km (0.059 R)
• M18: 17,596,150 km (0.082 R)
• M19: 18,098,201 km (0.098 R)
• M20: 18,934,453 km (0.111 R)
• M21: 20,545,622 km (0.093 R)
• M22: 22,246,550 km (0.101 R)
• M23: 24,502,186 km (0.119 R)
• M24: 27,657,355 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.6

Radius: 12.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.87 AU - 4.15 AU

Year: 5543 Days

Day: 7.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,322,823 km

• M1: 160,818 km (0.12 R)
• M2: 666,010 km (0.071 R)
• M3: 1,084,585 km (0.113 R)
• M4: 1,859,801 km (0.079 R)
• M5: 2,523,866 km (0.11 R)
• M6: 3,383,605 km (0.063 R)
• M7: 4,279,247 km (0.102 R)
• M8: 4,905,165 km (0.031 R)
• M9: 5,326,881 km (0.084 R)
• M10: 7,888,595 km (0.107 R)
• M11: 8,996,666 km (0.103 R)
• M12: 9,588,476 km (0.072 R)
• M13: 10,570,735 km (0.049 R)
• M14: 12,321,329 km (0.12 R)
• M15: 16,266,225 km (0.12 R)
• M16: 17,597,048 km (0.094 R)
• M17: 21,277,754 km (0.102 R)
• M18: 22,101,290 km (0.061 R)
• M19: 22,559,508 km (0.099 R)
• M20: 31,641,146 km (0.034 R)
• M21: 32,517,341 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 13.4

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.09 AU - 4.23 AU

Year: 5857 Days

Day: 9.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,322,823 km

• M1: 166,951 km (0.069 R)
• M2: 1,205,759 km (0.086 R)
• M3: 2,158,548 km (0.084 R)
• M4: 4,467,441 km (0.098 R)
• M5: 6,021,913 km (0.049 R)
• M6: 8,595,894 km (0.096 R)
• M7: 9,236,921 km (0.082 R)
• M8: 10,750,552 km (0.079 R)
• M9: 12,932,437 km (0.112 R)
• M10: 13,667,710 km (0.073 R)
• M11: 15,569,847 km (0.103 R)
• M12: 18,811,633 km (0.101 R)
• M13: 22,629,072 km (0.11 R)
• M14: 27,530,496 km (0.088 R)
• M15: 28,396,369 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.6

Radius: 11.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.91 AU - 6.09 AU

Year: 7717 Days

Day: 10.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,322,823 km

• M1: 153,637 km (0.11 R)
• M2: 541,694 km (0.05 R)
• M3: 979,716 km (0.069 R)
• M4: 2,543,613 km (0.028 R)
• M5: 3,507,771 km (0.071 R)
• M6: 3,936,369 km (0.08 R)
• M7: 4,700,963 km (0.064 R)
• M8: 5,530,633 km (0.117 R)
• M9: 7,714,014 km (0.08 R)
• M10: 8,236,111 km (0.11 R)
• M11: 12,468,683 km (0.095 R)
• M12: 14,291,384 km (0.083 R)
• M13: 14,773,538 km (0.1 R)
• M14: 15,834,336 km (0.041 R)
• M15: 16,811,809 km (0.104 R)
• M16: 17,898,338 km (0.105 R)
• M17: 20,361,766 km (0.079 R)
• M18: 27,402,141 km (0.086 R)
• M19: 28,335,482 km (0.111 R)
• M20: 28,905,600 km (0.051 R)
• M21: 30,861,293 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.7

Radius: 13.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.16 AU - 5.84 AU

Year: 8903 Days

Day: 7.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,322,823 km

• M1: 166,652 km (0.08 R)
• M2: 967,599 km (0.119 R)
• M3: 1,832,724 km (0.059 R)
• M4: 2,973,557 km (0.107 R)
• M5: 3,579,578 km (0.044 R)
• M6: 5,102,185 km (0.113 R)
• M7: 5,739,622 km (0.119 R)
• M8: 8,185,846 km (0.069 R)
• M9: 8,836,896 km (0.082 R)
• M10: 9,475,529 km (0.097 R)
• M11: 10,047,292 km (0.057 R)
• M12: 11,155,364 km (0.045 R)
• M13: 11,847,553 km (0.11 R)
• M14: 13,200,516 km (0.076 R)
• M15: 16,145,051 km (0.103 R)
• M16: 19,275,536 km (0.12 R)
• M17: 20,195,114 km (0.062 R)
• M18: 21,385,315 km (0.091 R)
• M19: 22,705,965 km (0.086 R)
• M20: 23,215,046 km (0.036 R)
• M21: 23,644,991 km (0.094 R)
• M22: 24,255,948 km (0.119 R)
• M23: 24,877,378 km (0.114 R)
• M24: 25,600,534 km (0.038 R)
• M25: 27,183,878 km (0.093 R)
• M26: 30,647,966 km (0.11 R)
• M27: 31,479,282 km (0.075 R)
• M28: 32,646,743 km (0.103 R)
• M29: 34,063,435 km (0.056 R)
• M30: 35,520,668 km (0.107 R)
• M31: 37,843,474 km (0.039 R)
• M32: 39,163,227 km (0.109 R)
• M33: 40,018,926 km (0.048 R)
• M34: 40,513,347 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.3

Radius: 7.2

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.24 AU - 6.96 AU

Year: 9147 Days

Day: 20.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,322,823 km

• M1: 93,947 km (0.077 R)
• M2: 465,249 km (0.109 R)
• M3: 705,204 km (0.082 R)
• M4: 1,120,338 km (0.077 R)
• M5: 4,284,184 km (0.082 R)
• M6: 5,751,889 km (0.107 R)
• M7: 6,826,899 km (0.098 R)
• M8: 12,933,634 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829

Radius: 4.9

Gravity: 34.53 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.46 AU - 7.5 AU

Year: 11386 Days

Day: 23.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,322,823 km

• M1: 60,886 km (0.086 R)
• M2: 213,626 km (0.084 R)
• M3: 454,778 km (0.059 R)
• M4: 994,377 km (0.112 R)
• M5: 1,403,826 km (0.095 R)
• M6: 1,655,151 km (0.081 R)
• M7: 2,700,242 km (0.085 R)
• M8: 3,186,734 km (0.078 R)
• M9: 3,568,508 km (0.117 R)
• M10: 4,546,429 km (0.102 R)
• M11: 7,354,680 km (0.079 R)
• M12: 7,528,363 km (0.059 R)
• M13: 8,204,097 km (0.037 R)
• M14: 8,390,945 km (0.114 R)
• M15: 8,628,506 km (0.084 R)
• M16: 8,919,474 km (0.087 R)
• M17: 10,149,019 km (0.078 R)
• M18: 10,804,407 km (0.095 R)
• M19: 12,627,407 km (0.078 R)
• M20: 16,944,652 km (0.116 R)
• M21: 18,417,742 km (0.076 R)
• M22: 23,252,147 km (0.099 R)
• M23: 24,196,109 km (0.099 R)
• M24: 24,484,085 km (0.11 R)
• M25: 32,568,204 km (0.084 R)
• M26: 35,572,578 km (0.035 R)
• M27: 36,069,842 km (0.043 R)
• M28: 36,320,269 km (0.063 R)
• M29: 38,364,972 km (0.1 R)
• M30: 39,283,204 km (0.095 R)
• M31: 39,947,867 km (0.114 R)
• M32: 48,672,116 km (0.061 R)
• M33: 52,265,606 km (0.116 R)
• M34: 53,555,888 km (0.069 R)
• M35: 55,198,473 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.8

Radius: 3.5

Gravity: 50.27 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.02 AU - 11.36 AU

Year: 22453 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,322,823 km

• M1: 43,533 km (0.048 R)
• M2: 380,577 km (0.061 R)
• M3: 553,662 km (0.049 R)
• M4: 696,976 km (0.119 R)
• M5: 1,072,467 km (0.1 R)
• M6: 1,389,315 km (0.059 R)
• M7: 1,674,299 km (0.072 R)
• M8: 3,024,121 km (0.072 R)
• M9: 3,471,867 km (0.082 R)
• M10: 3,590,349 km (0.12 R)
• M11: 3,711,673 km (0.07 R)
• M12: 4,567,672 km (0.105 R)
• M13: 5,875,307 km (0.074 R)
• M14: 6,659,648 km (0.099 R)
• M15: 7,172,021 km (0.115 R)
• M16: 7,660,009 km (0.08 R)
• M17: 8,921,269 km (0.073 R)
• M18: 10,872,324 km (0.093 R)
• M19: 14,802,859 km (0.119 R)
• M20: 15,273,045 km (0.072 R)
• M21: 17,339,740 km (0.076 R)
• M22: 19,029,597 km (0.036 R)
• M23: 21,715,328 km (0.079 R)
• M24: 24,752,164 km (0.075 R)
• M25: 26,314,565 km (0.094 R)
• M26: 26,428,708 km (0.114 R)
• M27: 26,543,001 km (0.05 R)
• M28: 28,298,681 km (0.077 R)
• M29: 29,511,172 km (0.106 R)
• M30: 30,505,848 km (0.101 R)
• M31: 30,757,921 km (0.065 R)
• M32: 61,576,279 km (0.091 R)
• M33: 64,846,488 km (0.084 R)
• M34: 66,102,063 km (0.033 R)
• M35: 70,844,465 km (0.114 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: 236 - 13,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit