🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 10.8

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.57 AU - 0.85 AU

Year: 413 Days

Day: 13.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,221,102 km

• M1: 134,339 km (0.118 R)
• M2: 488,138 km (0.111 R)
• M3: 884,273 km (0.091 R)
• M4: 1,288,337 km (0.08 R)
• M5: 1,649,765 km (0.116 R)
• M6: 2,230,205 km (0.115 R)
• M7: 2,675,857 km (0.068 R)
• M8: 3,157,413 km (0.068 R)
• M9: 3,644,803 km (0.059 R)
• M10: 4,056,645 km (0.103 R)
• M11: 4,974,428 km (0.095 R)
• M12: 5,602,141 km (0.078 R)
• M13: 6,375,263 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 11

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.64 AU - 0.82 AU

Year: 431 Days

Day: 6.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,221,102 km

• M1: 136,732 km (0.092 R)
• M2: 519,853 km (0.12 R)
• M3: 979,417 km (0.06 R)
• M4: 1,362,537 km (0.119 R)
• M5: 2,033,185 km (0.106 R)
• M6: 2,810,495 km (0.12 R)
• M7: 3,179,404 km (0.107 R)
• M8: 3,701,500 km (0.113 R)
• M9: 4,514,265 km (0.052 R)
• M10: 4,859,238 km (0.099 R)
• M11: 5,284,246 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 11.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.14 AU - 1.2 AU

Year: 874 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,221,102 km

• M1: 149,598 km (0.119 R)
• M2: 791,522 km (0.055 R)
• M3: 1,242,261 km (0.106 R)
• M4: 1,703,920 km (0.113 R)
• M5: 2,361,851 km (0.038 R)
• M6: 2,756,640 km (0.083 R)
• M7: 3,583,318 km (0.106 R)
• M8: 4,974,728 km (0.11 R)
• M9: 6,098,058 km (0.085 R)
• M10: 7,614,083 km (0.077 R)
• M11: 8,485,341 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.1

Radius: 13.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.45 AU - 1.81 AU

Year: 1436 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,221,102 km

• M1: 179,966 km (0.096 R)
• M2: 641,625 km (0.1 R)
• M3: 1,444,816 km (0.094 R)
• M4: 2,397,156 km (0.108 R)
• M5: 3,407,690 km (0.07 R)
• M6: 4,804,784 km (0.115 R)
• M7: 6,480,879 km (0.099 R)
• M8: 6,909,926 km (0.107 R)
• M9: 7,520,584 km (0.027 R)
• M10: 8,196,019 km (0.033 R)
• M11: 8,638,529 km (0.094 R)
• M12: 10,640,149 km (0.087 R)
• M13: 13,013,668 km (0.085 R)
• M14: 13,740,564 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 11.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.31 AU - 2.31 AU

Year: 2423 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 115.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,221,102 km

• M1: 145,559 km (0.097 R)
• M2: 515,514 km (0.032 R)
• M3: 954,883 km (0.054 R)
• M4: 1,427,463 km (0.117 R)
• M5: 2,018,374 km (0.055 R)
• M6: 2,456,098 km (0.095 R)
• M7: 2,957,251 km (0.068 R)
• M8: 3,453,467 km (0.117 R)
• M9: 3,925,299 km (0.093 R)
• M10: 4,570,215 km (0.109 R)
• M11: 6,178,990 km (0.11 R)
• M12: 6,877,762 km (0.076 R)
• M13: 7,443,541 km (0.115 R)
• M14: 8,333,649 km (0.089 R)
• M15: 8,736,216 km (0.097 R)
• M16: 10,478,732 km (0.089 R)
• M17: 11,679,106 km (0.077 R)
• M18: 12,572,355 km (0.075 R)
• M19: 14,447,265 km (0.086 R)
• M20: 16,034,947 km (0.098 R)
• M21: 19,030,944 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.2

Radius: 11.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.87 AU - 3.05 AU

Year: 2663 Days

Day: 6.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,221,102 km

• M1: 142,567 km (0.04 R)
• M2: 939,923 km (0.043 R)
• M3: 1,435,691 km (0.03 R)
• M4: 1,811,630 km (0.109 R)
• M5: 3,554,296 km (0.106 R)
• M6: 5,366,225 km (0.037 R)
• M7: 6,560,764 km (0.062 R)
• M8: 9,088,968 km (0.079 R)
• M9: 13,632,555 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.9

Radius: 9.9

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.75 AU - 3.21 AU

Year: 3551 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,221,102 km

• M1: 123,119 km (0.066 R)
• M2: 615,446 km (0.103 R)
• M3: 1,060,649 km (0.116 R)
• M4: 1,816,268 km (0.041 R)
• M5: 2,365,890 km (0.114 R)
• M6: 2,826,353 km (0.086 R)
• M7: 3,526,022 km (0.088 R)
• M8: 4,243,643 km (0.119 R)
• M9: 4,824,531 km (0.086 R)
• M10: 5,512,831 km (0.098 R)
• M11: 5,823,247 km (0.12 R)
• M12: 6,603,549 km (0.114 R)
• M13: 7,117,567 km (0.077 R)
• M14: 8,189,137 km (0.078 R)
• M15: 8,974,077 km (0.109 R)
• M16: 10,563,704 km (0.102 R)
• M17: 13,113,301 km (0.066 R)
• M18: 17,576,254 km (0.107 R)
• M19: 18,438,536 km (0.04 R)
• M20: 19,849,992 km (0.088 R)
• M21: 20,514,954 km (0.09 R)
• M22: 22,670,809 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.6

Radius: 14.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.9 AU - 3.22 AU

Year: 3695 Days

Day: 10.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,221,102 km

• M1: 182,809 km (0.068 R)
• M2: 671,246 km (0.074 R)
• M3: 1,572,423 km (0.105 R)
• M4: 2,040,216 km (0.096 R)
• M5: 3,287,413 km (0.107 R)
• M6: 4,047,221 km (0.077 R)
• M7: 5,404,672 km (0.089 R)
• M8: 6,768,107 km (0.117 R)
• M9: 7,696,960 km (0.094 R)
• M10: 8,782,143 km (0.049 R)
• M11: 10,453,600 km (0.11 R)
• M12: 11,650,682 km (0.083 R)
• M13: 13,321,990 km (0.106 R)
• M14: 13,863,235 km (0.097 R)
• M15: 14,573,226 km (0.093 R)
• M16: 16,793,259 km (0.12 R)
• M17: 17,776,865 km (0.085 R)
• M18: 18,313,023 km (0.101 R)
• M19: 19,292,889 km (0.086 R)
• M20: 21,025,233 km (0.077 R)
• M21: 22,789,440 km (0.071 R)
• M22: 23,493,747 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.1

Radius: 12.5

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.44 AU - 3.86 AU

Year: 3859 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,221,102 km

• M1: 155,432 km (0.048 R)
• M2: 622,926 km (0.048 R)
• M3: 1,014,722 km (0.114 R)
• M4: 1,467,705 km (0.068 R)
• M5: 1,920,238 km (0.056 R)
• M6: 2,394,464 km (0.114 R)
• M7: 3,201,544 km (0.062 R)
• M8: 4,418,224 km (0.073 R)
• M9: 4,917,581 km (0.097 R)
• M10: 6,002,914 km (0.086 R)
• M11: 7,059,374 km (0.096 R)
• M12: 8,069,758 km (0.099 R)
• M13: 10,028,592 km (0.082 R)
• M14: 10,613,670 km (0.039 R)
• M15: 11,555,239 km (0.109 R)
• M16: 12,911,343 km (0.09 R)
• M17: 16,253,958 km (0.057 R)
• M18: 20,690,732 km (0.089 R)
• M19: 21,130,250 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.4

Radius: 7.7

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.14 AU - 8.78 AU

Year: 14064 Days

Day: 19.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,221,102 km

• M1: 96,042 km (0.042 R)
• M2: 362,476 km (0.073 R)
• M3: 716,275 km (0.095 R)
• M4: 1,214,136 km (0.056 R)
• M5: 1,784,703 km (0.118 R)
• M6: 2,150,769 km (0.098 R)
• M7: 3,034,144 km (0.104 R)
• M8: 3,448,381 km (0.112 R)
• M9: 4,390,099 km (0.07 R)
• M10: 5,273,624 km (0.093 R)
• M11: 5,757,573 km (0.118 R)
• M12: 6,559,567 km (0.12 R)
• M13: 9,412,249 km (0.112 R)
• M14: 10,754,591 km (0.046 R)
• M15: 11,967,082 km (0.118 R)
• M16: 12,476,762 km (0.102 R)
• M17: 13,067,224 km (0.043 R)
• M18: 14,517,426 km (0.101 R)
• M19: 15,023,815 km (0.063 R)
• M20: 17,328,520 km (0.062 R)
• M21: 19,770,855 km (0.103 R)
• M22: 22,915,851 km (0.071 R)
• M23: 24,000,734 km (0.092 R)
• M24: 26,916,397 km (0.066 R)
• M25: 27,460,784 km (0.087 R)
• M26: 29,137,925 km (0.094 R)
• M27: 29,943,659 km (0.107 R)
• M28: 30,882,386 km (0.086 R)
• M29: 31,239,476 km (0.117 R)
• M30: 34,069,120 km (0.03 R)
• M31: 36,003,720 km (0.109 R)
• M32: 36,797,785 km (0.098 R)
• M33: 44,628,336 km (0.107 R)
• M34: 48,849,390 km (0.112 R)
• M35: 56,109,075 km (0.036 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 13,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit