🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.9

Radius: 12.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.78 AU - 0.8 AU

Year: 468 Days

Day: 10.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,942,895 km

• M1: 167,250 km (0.117 R)
• M2: 555,008 km (0.097 R)
• M3: 1,244,804 km (0.063 R)
• M4: 1,846,786 km (0.099 R)
• M5: 2,480,183 km (0.109 R)
• M6: 2,950,968 km (0.047 R)
• M7: 3,384,652 km (0.099 R)
• M8: 3,887,151 km (0.111 R)
• M9: 5,431,899 km (0.046 R)
• M10: 5,963,270 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.4

Radius: 13.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.7 AU - 0.98 AU

Year: 513 Days

Day: 5.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,942,895 km

• M1: 183,407 km (0.089 R)
• M2: 621,729 km (0.109 R)
• M3: 1,148,612 km (0.059 R)
• M4: 1,631,963 km (0.084 R)
• M5: 2,140,446 km (0.1 R)
• M6: 2,870,035 km (0.11 R)
• M7: 3,940,408 km (0.113 R)
• M8: 4,595,048 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 13.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.84 AU - 1.32 AU

Year: 748 Days

Day: 10 Hours

Environment

Temp: -177 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,942,895 km

• M1: 165,754 km (0.118 R)
• M2: 714,479 km (0.057 R)
• M3: 1,322,146 km (0.119 R)
• M4: 1,953,898 km (0.047 R)
• M5: 2,485,718 km (0.113 R)
• M6: 3,003,776 km (0.079 R)
• M7: 3,436,113 km (0.073 R)
• M8: 3,923,503 km (0.096 R)
• M9: 4,586,970 km (0.068 R)
• M10: 5,054,463 km (0.108 R)
• M11: 6,032,833 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.1

Radius: 13.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.56 AU - 2 AU

Year: 1584 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,942,895 km

• M1: 171,140 km (0.115 R)
• M2: 699,968 km (0.049 R)
• M3: 1,228,498 km (0.117 R)
• M4: 1,969,306 km (0.062 R)
• M5: 2,449,665 km (0.107 R)
• M6: 4,269,673 km (0.091 R)
• M7: 4,851,010 km (0.09 R)
• M8: 5,282,301 km (0.073 R)
• M9: 5,715,835 km (0.097 R)
• M10: 6,945,680 km (0.119 R)
• M11: 7,781,483 km (0.106 R)
• M12: 9,454,286 km (0.073 R)
• M13: 10,445,971 km (0.115 R)
• M14: 11,243,626 km (0.117 R)
• M15: 12,556,048 km (0.118 R)
• M16: 13,125,268 km (0.096 R)
• M17: 14,271,637 km (0.073 R)
• M18: 14,802,111 km (0.119 R)
• M19: 15,622,506 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.6

Radius: 8.4

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.37 AU - 4.69 AU

Year: 5395 Days

Day: 7.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,942,895 km

• M1: 104,569 km (0.12 R)
• M2: 403,017 km (0.115 R)
• M3: 791,522 km (0.102 R)
• M4: 1,285,195 km (0.026 R)
• M5: 1,608,925 km (0.077 R)
• M6: 2,338,065 km (0.12 R)
• M7: 2,982,383 km (0.089 R)
• M8: 3,250,014 km (0.096 R)
• M9: 3,716,759 km (0.098 R)
• M10: 4,027,623 km (0.086 R)
• M11: 6,206,816 km (0.073 R)
• M12: 6,926,082 km (0.114 R)
• M13: 7,398,512 km (0.064 R)
• M14: 7,970,126 km (0.109 R)
• M15: 8,488,931 km (0.099 R)
• M16: 9,505,897 km (0.11 R)
• M17: 10,413,657 km (0.047 R)
• M18: 11,229,714 km (0.088 R)
• M19: 12,295,898 km (0.039 R)
• M20: 16,528,321 km (0.106 R)
• M21: 18,587,386 km (0.083 R)
• M22: 19,074,925 km (0.071 R)
• M23: 20,589,005 km (0.086 R)
• M24: 21,110,952 km (0.116 R)
• M25: 31,000,419 km (0.049 R)
• M26: 34,426,659 km (0.118 R)
• M27: 35,693,753 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.1

Radius: 5.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.45 AU - 6.85 AU

Year: 10170 Days

Day: 18.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,942,895 km

• M1: 201,658 km (0.114 R)
• M2: 390,002 km (0.111 R)
• M3: 620,831 km (0.119 R)
• M4: 804,687 km (0.118 R)
• M5: 1,408,614 km (0.073 R)
• M6: 1,618,649 km (0.097 R)
• M7: 2,524,015 km (0.101 R)
• M8: 3,252,108 km (0.092 R)
• M9: 5,312,370 km (0.091 R)
• M10: 6,291,189 km (0.101 R)
• M11: 7,469,571 km (0.059 R)
• M12: 13,449,447 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.9

Radius: 3.3

Gravity: 79.97 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.58 AU - 8.5 AU

Year: 13807 Days

Day: 23.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 57,942,895 km

• M1: 48,619 km (0.072 R)
• M2: 245,490 km (0.073 R)
• M3: 754,572 km (0.063 R)
• M4: 1,046,437 km (0.104 R)
• M5: 1,364,632 km (0.114 R)
• M6: 2,614,971 km (0.105 R)
• M7: 2,823,510 km (0.105 R)
• M8: 3,169,829 km (0.065 R)
• M9: 4,475,669 km (0.054 R)
• M10: 5,300,851 km (0.08 R)
• M11: 5,943,523 km (0.106 R)
• M12: 7,704,141 km (0.09 R)
• M13: 8,278,597 km (0.099 R)
• M14: 8,426,549 km (0.113 R)
• M15: 8,778,702 km (0.106 R)
• M16: 9,193,088 km (0.056 R)
• M17: 9,894,104 km (0.075 R)
• M18: 10,004,956 km (0.037 R)
• M19: 10,229,203 km (0.097 R)
• M20: 12,273,458 km (0.12 R)
• M21: 12,922,713 km (0.081 R)
• M22: 14,289,738 km (0.093 R)
• M23: 16,438,412 km (0.074 R)
• M24: 19,220,484 km (0.095 R)
• M25: 19,567,102 km (0.068 R)
• M26: 22,491,441 km (0.086 R)
• M27: 25,903,918 km (0.063 R)
• M28: 32,006,614 km (0.114 R)
• M29: 33,232,718 km (0.118 R)
• M30: 33,983,251 km (0.116 R)
• M31: 36,302,616 km (0.069 R)
• M32: 36,832,043 km (0.082 R)
• M33: 40,682,393 km (0.069 R)
• M34: 40,824,661 km (0.107 R)
• M35: 43,740,173 km (0.097 R)
• M36: 47,418,336 km (0.104 R)
• M37: 48,688,721 km (0.108 R)
• M38: 49,981,546 km (0.068 R)
• M39: 53,997,351 km (0.09 R)
• M40: 55,207,897 km (0.055 R)
• M41: 56,259,720 km (0.112 R)
• M42: 57,324,857 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.1

Radius: 3.6

Gravity: 38.2 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.97 AU - 9.21 AU

Year: 13944 Days

Day: 21.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,942,895 km

• M1: 45,179 km (0.059 R)
• M2: 208,390 km (0.116 R)
• M3: 608,265 km (0.073 R)
• M4: 976,874 km (0.11 R)
• M5: 2,043,657 km (0.069 R)
• M6: 2,610,782 km (0.052 R)
• M7: 4,309,915 km (0.05 R)
• M8: 5,543,648 km (0.061 R)
• M9: 7,414,968 km (0.079 R)
• M10: 9,215,678 km (0.073 R)
• M11: 9,365,275 km (0.118 R)
• M12: 10,784,660 km (0.059 R)
• M13: 15,963,589 km (0.083 R)
• M14: 16,179,309 km (0.079 R)
• M15: 17,287,530 km (0.045 R)
• M16: 22,048,632 km (0.092 R)
• M17: 25,404,561 km (0.114 R)
• M18: 28,554,194 km (0.102 R)
• M19: 35,248,849 km (0.044 R)
• M20: 38,118,734 km (0.11 R)
• M21: 39,939,789 km (0.117 R)
• M22: 44,035,480 km (0.1 R)
• M23: 46,039,044 km (0.116 R)
• M24: 50,227,036 km (0.031 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.1

Radius: 4.6

Gravity: 26.28 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.21 AU - 8.55 AU

Year: 14751 Days

Day: 20.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,942,895 km

• M1: 57,296 km (0.075 R)
• M2: 230,082 km (0.113 R)
• M3: 656,884 km (0.064 R)
• M4: 867,518 km (0.087 R)
• M5: 1,341,594 km (0.119 R)
• M6: 1,667,418 km (0.078 R)
• M7: 1,832,275 km (0.099 R)
• M8: 2,332,380 km (0.079 R)
• M9: 2,475,845 km (0.111 R)
• M10: 3,085,456 km (0.087 R)
• M11: 3,464,537 km (0.054 R)
• M12: 3,817,738 km (0.094 R)
• M13: 4,659,525 km (0.109 R)
• M14: 5,914,950 km (0.095 R)
• M15: 8,773,018 km (0.048 R)
• M16: 8,921,269 km (0.079 R)
• M17: 9,172,145 km (0.118 R)
• M18: 9,427,658 km (0.038 R)
• M19: 14,739,130 km (0.042 R)
• M20: 16,623,615 km (0.06 R)
• M21: 16,850,854 km (0.079 R)
• M22: 20,862,769 km (0.118 R)
• M23: 22,854,516 km (0.072 R)
• M24: 27,632,821 km (0.1 R)
• M25: 42,821,044 km (0.056 R)
• M26: 47,982,919 km (0.111 R)
• M27: 50,000,994 km (0.058 R)
• M28: 52,887,934 km (0.086 R)
• M29: 57,078,918 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 13,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit