🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.4

Radius: 10.9

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.64 AU - 0.76 AU

Year: 384 Days

Day: 5.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,217,557 km

• M1: 135,536 km (0.098 R)
• M2: 576,401 km (0.064 R)
• M3: 1,015,171 km (0.118 R)
• M4: 1,612,964 km (0.114 R)
• M5: 2,009,847 km (0.038 R)
• M6: 2,510,402 km (0.064 R)
• M7: 3,037,585 km (0.034 R)
• M8: 4,471,630 km (0.107 R)
• M9: 5,330,471 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.4

Radius: 10.8

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.04 AU - 1.64 AU

Year: 1018 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,217,557 km

• M1: 136,134 km (0.087 R)
• M2: 652,546 km (0.096 R)
• M3: 1,022,202 km (0.115 R)
• M4: 1,502,112 km (0.117 R)
• M5: 2,295,131 km (0.08 R)
• M6: 2,805,858 km (0.078 R)
• M7: 3,244,927 km (0.072 R)
• M8: 3,666,644 km (0.075 R)
• M9: 4,193,079 km (0.113 R)
• M10: 5,077,202 km (0.06 R)
• M11: 5,459,873 km (0.108 R)
• M12: 5,948,909 km (0.092 R)
• M13: 6,820,915 km (0.119 R)
• M14: 7,671,379 km (0.105 R)
• M15: 8,451,382 km (0.088 R)
• M16: 9,888,569 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.2

Radius: 13.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.38 AU - 1.82 AU

Year: 1328 Days

Day: 5.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,217,557 km

• M1: 162,912 km (0.047 R)
• M2: 687,851 km (0.096 R)
• M3: 1,493,884 km (0.085 R)
• M4: 1,950,158 km (0.11 R)
• M5: 2,500,229 km (0.115 R)
• M6: 3,227,125 km (0.096 R)
• M7: 3,715,114 km (0.096 R)
• M8: 5,124,625 km (0.098 R)
• M9: 5,725,410 km (0.035 R)
• M10: 7,382,057 km (0.111 R)
• M11: 8,970,636 km (0.09 R)
• M12: 9,749,144 km (0.058 R)
• M13: 11,334,582 km (0.12 R)
• M14: 12,470,479 km (0.102 R)
• M15: 13,085,625 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 14.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.12 AU - 2.86 AU

Year: 2578 Days

Day: 11.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,217,557 km

• M1: 176,525 km (0.071 R)
• M2: 900,430 km (0.071 R)
• M3: 1,430,754 km (0.1 R)
• M4: 3,318,530 km (0.1 R)
• M5: 4,177,670 km (0.102 R)
• M6: 4,836,649 km (0.056 R)
• M7: 5,846,584 km (0.061 R)
• M8: 7,633,830 km (0.043 R)
• M9: 8,810,866 km (0.12 R)
• M10: 10,245,360 km (0.097 R)
• M11: 10,890,127 km (0.118 R)
• M12: 13,873,258 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 14.7

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.73 AU - 2.85 AU

Year: 3057 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,217,557 km

• M1: 182,958 km (0.09 R)
• M2: 655,987 km (0.083 R)
• M3: 1,265,748 km (0.043 R)
• M4: 2,014,635 km (0.059 R)
• M5: 2,682,140 km (0.03 R)
• M6: 3,659,164 km (0.084 R)
• M7: 4,185,150 km (0.104 R)
• M8: 5,303,693 km (0.12 R)
• M9: 5,794,674 km (0.088 R)
• M10: 7,051,296 km (0.118 R)
• M11: 7,563,519 km (0.116 R)
• M12: 8,393,488 km (0.101 R)
• M13: 10,235,486 km (0.104 R)
• M14: 10,717,939 km (0.11 R)
• M15: 12,028,866 km (0.078 R)
• M16: 13,649,310 km (0.118 R)
• M17: 14,150,014 km (0.048 R)

Asteroid Belt

Center: 3.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.2

Radius: 9.3

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.4 AU - 3.96 AU

Year: 4631 Days

Day: 10.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,217,557 km

• M1: 115,639 km (0.098 R)
• M2: 411,394 km (0.093 R)
• M3: 802,593 km (0.099 R)
• M4: 1,235,379 km (0.084 R)
• M5: 1,768,995 km (0.031 R)
• M6: 2,249,802 km (0.036 R)
• M7: 2,645,190 km (0.09 R)
• M8: 3,960,454 km (0.069 R)
• M9: 5,752,337 km (0.065 R)
• M10: 7,268,362 km (0.092 R)
• M11: 11,656,816 km (0.03 R)
• M12: 12,217,359 km (0.091 R)
• M13: 14,427,967 km (0.038 R)
• M14: 15,515,842 km (0.119 R)
• M15: 16,716,066 km (0.09 R)
• M16: 17,070,164 km (0.082 R)
• M17: 18,473,841 km (0.087 R)
• M18: 19,952,915 km (0.103 R)
• M19: 20,418,314 km (0.109 R)
• M20: 22,281,855 km (0.059 R)
• M21: 25,169,543 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.6

Radius: 13.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.8 AU - 6.06 AU

Year: 7181 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,217,557 km

• M1: 166,502 km (0.073 R)
• M2: 631,752 km (0.089 R)
• M3: 1,049,728 km (0.044 R)
• M4: 1,769,144 km (0.105 R)
• M5: 2,494,844 km (0.111 R)
• M6: 3,648,393 km (0.111 R)
• M7: 4,289,270 km (0.069 R)
• M8: 4,733,277 km (0.096 R)
• M9: 5,233,981 km (0.071 R)
• M10: 7,668,536 km (0.115 R)
• M11: 9,873,908 km (0.12 R)
• M12: 10,950,115 km (0.083 R)
• M13: 11,428,380 km (0.03 R)
• M14: 13,781,105 km (0.055 R)
• M15: 15,828,053 km (0.103 R)
• M16: 16,496,905 km (0.114 R)
• M17: 17,950,697 km (0.05 R)
• M18: 19,615,123 km (0.063 R)
• M19: 22,614,561 km (0.093 R)
• M20: 25,224,595 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.2

Radius: 7.3

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.65 AU - 8.43 AU

Year: 12254 Days

Day: 19.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,217,557 km

• M1: 90,806 km (0.08 R)
• M2: 330,910 km (0.091 R)
• M3: 559,945 km (0.119 R)
• M4: 891,304 km (0.075 R)
• M5: 1,257,819 km (0.109 R)
• M6: 1,491,640 km (0.076 R)
• M7: 1,787,545 km (0.048 R)
• M8: 2,315,177 km (0.101 R)
• M9: 3,037,136 km (0.105 R)
• M10: 3,787,818 km (0.104 R)
• M11: 4,560,641 km (0.116 R)
• M12: 4,884,520 km (0.088 R)
• M13: 5,542,003 km (0.083 R)
• M14: 6,140,245 km (0.081 R)
• M15: 7,333,288 km (0.117 R)
• M16: 8,054,050 km (0.091 R)
• M17: 8,479,656 km (0.087 R)
• M18: 10,836,720 km (0.067 R)
• M19: 12,381,019 km (0.112 R)
• M20: 16,120,816 km (0.043 R)
• M21: 17,026,482 km (0.099 R)
• M22: 18,045,542 km (0.111 R)
• M23: 21,256,810 km (0.097 R)
• M24: 23,661,297 km (0.107 R)
• M25: 24,240,839 km (0.104 R)
• M26: 25,327,967 km (0.056 R)
• M27: 26,862,242 km (0.074 R)
• M28: 29,112,793 km (0.096 R)
• M29: 31,139,545 km (0.111 R)
• M30: 32,541,875 km (0.109 R)
• M31: 33,018,494 km (0.108 R)
• M32: 39,375,506 km (0.087 R)
• M33: 40,325,901 km (0.101 R)
• M34: 43,268,791 km (0.092 R)
• M35: 51,972,245 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.2

Radius: 7.8

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.78 AU - 7.88 AU

Year: 13019 Days

Day: 18.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,217,557 km

• M1: 96,939 km (0.082 R)
• M2: 407,654 km (0.033 R)
• M3: 817,403 km (0.101 R)
• M4: 1,277,865 km (0.057 R)
• M5: 1,637,049 km (0.091 R)
• M6: 2,517,882 km (0.113 R)
• M7: 3,337,080 km (0.097 R)
• M8: 4,201,456 km (0.09 R)
• M9: 4,933,588 km (0.03 R)
• M10: 6,285,803 km (0.045 R)
• M11: 6,941,042 km (0.091 R)
• M12: 8,196,168 km (0.077 R)
• M13: 8,580,934 km (0.059 R)
• M14: 9,491,087 km (0.11 R)
• M15: 10,132,563 km (0.071 R)
• M16: 10,917,054 km (0.114 R)
• M17: 13,513,924 km (0.042 R)
• M18: 14,325,492 km (0.089 R)
• M19: 19,043,360 km (0.062 R)
• M20: 19,548,702 km (0.116 R)
• M21: 22,769,544 km (0.04 R)
• M22: 23,434,506 km (0.06 R)
• M23: 23,723,380 km (0.106 R)
• M24: 24,014,647 km (0.119 R)
• M25: 24,406,743 km (0.081 R)
• M26: 24,803,177 km (0.061 R)
• M27: 25,915,288 km (0.075 R)
• M28: 26,640,090 km (0.085 R)
• M29: 27,378,355 km (0.067 R)
• M30: 28,785,323 km (0.065 R)
• M31: 29,450,884 km (0.093 R)
• M32: 31,275,380 km (0.089 R)
• M33: 35,022,657 km (0.104 R)
• M34: 35,527,101 km (0.12 R)
• M35: 43,394,602 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485

Radius: 7.8

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.57 AU - 8.61 AU

Year: 15095 Days

Day: 24.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,217,557 km

• M1: 109,057 km (0.057 R)
• M2: 435,330 km (0.064 R)
• M3: 788,830 km (0.108 R)
• M4: 1,083,388 km (0.118 R)
• M5: 2,041,413 km (0.116 R)
• M6: 3,250,014 km (0.109 R)
• M7: 4,590,111 km (0.099 R)
• M8: 7,196,555 km (0.076 R)
• M9: 7,718,053 km (0.038 R)
• M10: 8,642,718 km (0.094 R)
• M11: 9,231,834 km (0.062 R)
• M12: 13,996,526 km (0.116 R)
• M13: 18,214,289 km (0.094 R)
• M14: 27,452,556 km (0.078 R)
• M15: 32,535,143 km (0.077 R)
• M16: 34,319,397 km (0.112 R)
• M17: 38,341,635 km (0.11 R)
• M18: 38,997,173 km (0.102 R)
• M19: 40,465,775 km (0.043 R)
• M20: 49,904,204 km (0.056 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 12,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit