🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492

Radius: 14.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.27 AU - 1.57 AU

Year: 1093 Days

Day: 14.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,098,934 km

• M1: 175,329 km (0.093 R)
• M2: 632,350 km (0.111 R)
• M3: 1,188,555 km (0.047 R)
• M4: 1,752,240 km (0.063 R)
• M5: 2,309,043 km (0.072 R)
• M6: 2,809,149 km (0.111 R)
• M7: 4,016,703 km (0.11 R)
• M8: 4,712,632 km (0.104 R)
• M9: 5,507,296 km (0.116 R)
• M10: 5,968,057 km (0.106 R)
• M11: 6,808,797 km (0.092 R)
• M12: 7,702,645 km (0.113 R)
• M13: 8,229,379 km (0.115 R)
• M14: 9,023,594 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.8

Radius: 13.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.64 AU - 2.32 AU

Year: 1799 Days

Day: 7.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,098,934 km

• M1: 164,258 km (0.116 R)
• M2: 830,268 km (0.09 R)
• M3: 1,429,258 km (0.082 R)
• M4: 2,113,070 km (0.109 R)
• M5: 2,991,957 km (0.09 R)
• M6: 3,752,064 km (0.119 R)
• M7: 4,433,782 km (0.049 R)
• M8: 5,063,738 km (0.11 R)
• M9: 5,800,957 km (0.09 R)
• M10: 6,529,947 km (0.115 R)
• M11: 7,634,727 km (0.102 R)
• M12: 8,479,656 km (0.1 R)
• M13: 9,022,547 km (0.113 R)
• M14: 11,164,190 km (0.087 R)
• M15: 12,495,461 km (0.08 R)
• M16: 15,754,900 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.2

Radius: 13.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.32 AU - 3.76 AU

Year: 3422 Days

Day: 9.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,098,934 km

• M1: 166,802 km (0.047 R)
• M2: 586,872 km (0.055 R)
• M3: 1,069,026 km (0.093 R)
• M4: 1,524,402 km (0.11 R)
• M5: 2,004,013 km (0.09 R)
• M6: 2,665,385 km (0.117 R)
• M7: 3,896,576 km (0.112 R)
• M8: 4,428,695 km (0.088 R)
• M9: 4,983,853 km (0.047 R)
• M10: 5,423,970 km (0.071 R)
• M11: 6,205,768 km (0.074 R)
• M12: 7,189,973 km (0.111 R)
• M13: 11,511,107 km (0.051 R)
• M14: 12,850,756 km (0.099 R)
• M15: 13,733,085 km (0.044 R)
• M16: 14,291,982 km (0.075 R)
• M17: 19,261,773 km (0.081 R)
• M18: 20,352,042 km (0.085 R)
• M19: 22,515,377 km (0.044 R)
• M20: 24,309,205 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 9.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.94 AU - 3.44 AU

Year: 3679 Days

Day: 5.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,098,934 km

• M1: 125,812 km (0.091 R)
• M2: 449,542 km (0.108 R)
• M3: 909,705 km (0.087 R)
• M4: 1,368,222 km (0.061 R)
• M5: 2,174,555 km (0.108 R)
• M6: 2,788,205 km (0.104 R)
• M7: 3,882,514 km (0.089 R)
• M8: 4,380,226 km (0.072 R)
• M9: 5,264,798 km (0.082 R)
• M10: 6,397,403 km (0.114 R)
• M11: 7,064,161 km (0.095 R)
• M12: 7,444,439 km (0.065 R)
• M13: 8,118,976 km (0.097 R)
• M14: 9,983,863 km (0.086 R)
• M15: 10,351,425 km (0.103 R)
• M16: 11,749,866 km (0.094 R)
• M17: 13,580,345 km (0.106 R)
• M18: 16,391,289 km (0.111 R)
• M19: 17,163,364 km (0.119 R)
• M20: 17,585,080 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.1

Radius: 9.7

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.3 AU - 4.3 AU

Year: 5757 Days

Day: 12.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,098,934 km

• M1: 120,576 km (0.103 R)
• M2: 525,238 km (0.115 R)
• M3: 1,421,180 km (0.111 R)
• M4: 2,593,279 km (0.032 R)
• M5: 3,735,309 km (0.035 R)
• M6: 4,141,019 km (0.099 R)
• M7: 4,929,100 km (0.096 R)
• M8: 7,261,929 km (0.114 R)
• M9: 8,405,456 km (0.118 R)
• M10: 13,468,296 km (0.088 R)
• M11: 14,025,997 km (0.072 R)
• M12: 14,540,913 km (0.106 R)
• M13: 14,950,063 km (0.105 R)
• M14: 16,600,876 km (0.057 R)
• M15: 17,503,100 km (0.081 R)
• M16: 22,901,489 km (0.116 R)
• M17: 30,063,338 km (0.118 R)
• M18: 30,919,636 km (0.086 R)
• M19: 33,282,833 km (0.05 R)
• M20: 33,789,821 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939

Radius: 11.4

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.92 AU - 5.38 AU

Year: 7546 Days

Day: 12.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,098,934 km

• M1: 141,819 km (0.094 R)
• M2: 871,258 km (0.106 R)
• M3: 1,439,730 km (0.075 R)
• M4: 1,901,539 km (0.094 R)
• M5: 2,370,079 km (0.103 R)
• M6: 2,811,991 km (0.076 R)
• M7: 4,071,007 km (0.084 R)
• M8: 4,680,169 km (0.051 R)
• M9: 5,129,711 km (0.102 R)
• M10: 7,381,458 km (0.098 R)
• M11: 8,592,752 km (0.065 R)
• M12: 9,502,307 km (0.106 R)
• M13: 10,324,946 km (0.084 R)
• M14: 11,782,627 km (0.09 R)
• M15: 12,391,192 km (0.105 R)
• M16: 13,432,393 km (0.058 R)
• M17: 16,699,162 km (0.08 R)
• M18: 18,040,905 km (0.101 R)
• M19: 18,849,930 km (0.069 R)
• M20: 19,377,263 km (0.101 R)
• M21: 26,779,066 km (0.113 R)
• M22: 27,734,847 km (0.045 R)
• M23: 32,105,498 km (0.096 R)
• M24: 32,749,816 km (0.081 R)
• M25: 33,953,331 km (0.064 R)
• M26: 34,734,382 km (0.06 R)
• M27: 36,332,536 km (0.093 R)
• M28: 37,385,405 km (0.095 R)
• M29: 39,307,289 km (0.107 R)
• M30: 39,797,821 km (0.111 R)
• M31: 41,042,176 km (0.091 R)
• M32: 42,056,300 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.6

Radius: 7

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.76 AU - 11.28 AU

Year: 18966 Days

Day: 21.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 39,098,934 km

• M1: 87,066 km (0.098 R)
• M2: 377,286 km (0.12 R)
• M3: 615,146 km (0.069 R)
• M4: 870,959 km (0.068 R)
• M5: 1,465,760 km (0.058 R)
• M6: 2,221,977 km (0.09 R)
• M7: 2,629,332 km (0.077 R)
• M8: 4,774,117 km (0.073 R)
• M9: 6,825,702 km (0.066 R)
• M10: 7,089,892 km (0.109 R)
• M11: 7,828,008 km (0.094 R)
• M12: 8,464,696 km (0.068 R)
• M13: 9,348,521 km (0.073 R)
• M14: 10,008,546 km (0.067 R)
• M15: 10,523,612 km (0.054 R)
• M16: 11,176,906 km (0.105 R)
• M17: 11,421,049 km (0.1 R)
• M18: 12,303,826 km (0.112 R)
• M19: 12,828,317 km (0.092 R)
• M20: 14,204,617 km (0.09 R)
• M21: 14,491,247 km (0.038 R)
• M22: 15,905,844 km (0.067 R)
• M23: 17,247,587 km (0.105 R)
• M24: 18,834,522 km (0.095 R)
• M25: 19,974,906 km (0.085 R)
• M26: 20,790,813 km (0.111 R)
• M27: 25,945,656 km (0.109 R)
• M28: 27,245,512 km (0.078 R)
• M29: 31,891,872 km (0.068 R)
• M30: 34,144,966 km (0.09 R)
• M31: 39,668,867 km (0.079 R)
• M32: 40,524,118 km (0.029 R)
• M33: 47,814,023 km (0.105 R)
• M34: 49,435,514 km (0.098 R)
• M35: 51,597,652 km (0.073 R)
• M36: 52,616,413 km (0.083 R)
• M37: 55,398,934 km (0.084 R)
• M38: 57,186,928 km (0.12 R)
• M39: 62,973,672 km (0.107 R)
• M40: 64,332,171 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.4

Radius: 3.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 9.33 AU - 12.31 AU

Year: 22980 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,098,934 km

• M1: 50,115 km (0.111 R)
• M2: 208,390 km (0.073 R)
• M3: 758,910 km (0.105 R)
• M4: 1,364,482 km (0.032 R)
• M5: 1,583,344 km (0.051 R)
• M6: 2,720,288 km (0.06 R)
• M7: 4,394,288 km (0.073 R)
• M8: 4,699,168 km (0.081 R)
• M9: 5,137,640 km (0.109 R)
• M10: 5,571,025 km (0.067 R)
• M11: 6,474,895 km (0.114 R)
• M12: 6,869,684 km (0.079 R)
• M13: 7,433,668 km (0.094 R)
• M14: 7,746,776 km (0.079 R)
• M15: 8,441,359 km (0.116 R)
• M16: 8,912,144 km (0.064 R)
• M17: 9,220,914 km (0.081 R)
• M18: 9,536,565 km (0.084 R)
• M19: 10,141,988 km (0.079 R)
• M20: 12,273,159 km (0.042 R)
• M21: 13,673,694 km (0.073 R)
• M22: 18,296,268 km (0.104 R)
• M23: 20,419,511 km (0.112 R)
• M24: 20,801,434 km (0.09 R)
• M25: 22,946,817 km (0.103 R)
• M26: 23,526,060 km (0.099 R)
• M27: 30,456,630 km (0.05 R)
• M28: 32,379,711 km (0.082 R)
• M29: 35,688,816 km (0.115 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: 156 - 12,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit