🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.1

Radius: 8.2

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.47 AU - 0.71 AU

Year: 313 Days

Day: 11.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,054,498 km

• M1: 102,026 km (0.073 R)
• M2: 420,669 km (0.112 R)
• M3: 702,960 km (0.081 R)
• M4: 977,472 km (0.115 R)
• M5: 1,291,179 km (0.116 R)
• M6: 1,726,359 km (0.116 R)
• M7: 2,110,676 km (0.079 R)
• M8: 2,960,691 km (0.094 R)
• M9: 3,261,234 km (0.099 R)
• M10: 4,071,605 km (0.064 R)
• M11: 4,391,595 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.3

Radius: 14.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.97 AU - 1.15 AU

Year: 753 Days

Day: 8 Hours

Environment

Temp: -181 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,054,498 km

• M1: 177,872 km (0.08 R)
• M2: 710,141 km (0.106 R)
• M3: 1,290,581 km (0.034 R)
• M4: 2,121,447 km (0.072 R)
• M5: 2,576,823 km (0.076 R)
• M6: 3,061,520 km (0.119 R)
• M7: 3,511,960 km (0.11 R)
• M8: 4,982,955 km (0.118 R)
• M9: 5,555,467 km (0.077 R)
• M10: 6,434,952 km (0.044 R)
• M11: 6,962,435 km (0.057 R)
• M12: 7,796,592 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 9.4

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.18 AU - 1.84 AU

Year: 1281 Days

Day: 13.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,054,498 km

• M1: 116,986 km (0.082 R)
• M2: 433,086 km (0.036 R)
• M3: 898,634 km (0.101 R)
• M4: 1,428,959 km (0.065 R)
• M5: 1,761,814 km (0.082 R)
• M6: 2,918,206 km (0.084 R)
• M7: 3,489,670 km (0.109 R)
• M8: 4,331,906 km (0.025 R)
• M9: 5,227,249 km (0.102 R)
• M10: 5,800,508 km (0.057 R)
• M11: 7,674,221 km (0.101 R)
• M12: 9,456,829 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.9

Radius: 10.5

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.64 AU - 2.18 AU

Year: 1822 Days

Day: 13.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,054,498 km

• M1: 130,749 km (0.083 R)
• M2: 458,517 km (0.068 R)
• M3: 801,545 km (0.04 R)
• M4: 1,261,260 km (0.091 R)
• M5: 1,639,293 km (0.1 R)
• M6: 2,258,928 km (0.097 R)
• M7: 2,671,519 km (0.093 R)
• M8: 3,164,893 km (0.079 R)
• M9: 4,073,251 km (0.101 R)
• M10: 4,729,088 km (0.061 R)
• M11: 5,796,618 km (0.068 R)
• M12: 6,300,464 km (0.117 R)
• M13: 7,044,115 km (0.101 R)
• M14: 8,018,595 km (0.067 R)
• M15: 10,302,207 km (0.114 R)
• M16: 11,481,637 km (0.066 R)
• M17: 14,192,500 km (0.117 R)

Asteroid Belt

Center: 2.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.4

Radius: 10.3

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.5 AU - 3.26 AU

Year: 3374 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,054,498 km

• M1: 137,480 km (0.062 R)
• M2: 464,950 km (0.074 R)
• M3: 825,481 km (0.112 R)
• M4: 1,321,548 km (0.119 R)
• M5: 2,049,640 km (0.114 R)
• M6: 2,429,170 km (0.113 R)
• M7: 3,579,727 km (0.077 R)
• M8: 4,535,658 km (0.076 R)
• M9: 5,160,977 km (0.102 R)
• M10: 5,734,236 km (0.093 R)
• M11: 7,711,321 km (0.106 R)
• M12: 8,391,094 km (0.076 R)
• M13: 9,147,162 km (0.049 R)
• M14: 9,522,952 km (0.056 R)
• M15: 10,507,754 km (0.091 R)
• M16: 12,958,018 km (0.085 R)
• M17: 14,874,666 km (0.08 R)
• M18: 15,659,905 km (0.068 R)
• M19: 19,818,128 km (0.06 R)
• M20: 20,257,945 km (0.113 R)
• M21: 21,882,279 km (0.104 R)
• M22: 22,487,851 km (0.065 R)
• M23: 23,173,608 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 10.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.7 AU - 4.04 AU

Year: 4270 Days

Day: 7.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,054,498 km

• M1: 135,536 km (0.067 R)
• M2: 693,087 km (0.114 R)
• M3: 1,090,419 km (0.051 R)
• M4: 2,330,136 km (0.111 R)
• M5: 3,844,067 km (0.108 R)
• M6: 4,572,010 km (0.118 R)
• M7: 5,337,353 km (0.071 R)
• M8: 6,330,982 km (0.108 R)
• M9: 8,975,274 km (0.063 R)
• M10: 10,959,540 km (0.074 R)
• M11: 11,520,083 km (0.091 R)
• M12: 12,604,967 km (0.079 R)
• M13: 13,609,068 km (0.107 R)
• M14: 15,399,904 km (0.116 R)
• M15: 16,941,809 km (0.045 R)
• M16: 17,285,136 km (0.095 R)
• M17: 19,757,540 km (0.114 R)
• M18: 21,375,591 km (0.086 R)
• M19: 23,150,420 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.5

Radius: 11.2

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.96 AU - 6.38 AU

Year: 8114 Days

Day: 13.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,054,498 km

• M1: 139,276 km (0.058 R)
• M2: 568,771 km (0.106 R)
• M3: 962,214 km (0.074 R)
• M4: 1,622,090 km (0.08 R)
• M5: 2,127,581 km (0.074 R)
• M6: 2,621,254 km (0.029 R)
• M7: 3,256,147 km (0.112 R)
• M8: 6,192,454 km (0.044 R)
• M9: 6,613,871 km (0.106 R)
• M10: 7,167,384 km (0.116 R)
• M11: 8,580,036 km (0.084 R)
• M12: 10,122,241 km (0.1 R)
• M13: 10,808,147 km (0.094 R)
• M14: 11,265,318 km (0.092 R)
• M15: 13,689,252 km (0.084 R)
• M16: 16,776,204 km (0.111 R)
• M17: 17,877,394 km (0.093 R)
• M18: 19,994,952 km (0.085 R)
• M19: 21,950,496 km (0.112 R)
• M20: 23,351,031 km (0.09 R)
• M21: 26,147,613 km (0.109 R)
• M22: 27,909,876 km (0.111 R)
• M23: 29,948,147 km (0.095 R)
• M24: 32,188,076 km (0.118 R)
• M25: 33,885,563 km (0.075 R)
• M26: 35,086,834 km (0.117 R)
• M27: 38,506,941 km (0.119 R)
• M28: 39,335,863 km (0.111 R)
• M29: 39,814,875 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.1

Radius: 6.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.49 AU - 6.37 AU

Year: 9968 Days

Day: 19 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,054,498 km

• M1: 77,193 km (0.093 R)
• M2: 304,581 km (0.104 R)
• M3: 505,641 km (0.119 R)
• M4: 714,779 km (0.105 R)
• M5: 1,625,082 km (0.096 R)
• M6: 2,244,566 km (0.118 R)
• M7: 3,546,816 km (0.061 R)
• M8: 4,885,717 km (0.064 R)
• M9: 5,711,497 km (0.063 R)
• M10: 6,127,230 km (0.054 R)
• M11: 8,939,221 km (0.037 R)
• M12: 9,136,690 km (0.098 R)
• M13: 9,418,084 km (0.061 R)
• M14: 9,830,076 km (0.08 R)
• M15: 11,881,960 km (0.038 R)
• M16: 14,364,238 km (0.082 R)
• M17: 15,469,916 km (0.105 R)
• M18: 16,512,463 km (0.099 R)
• M19: 19,191,312 km (0.113 R)
• M20: 20,805,773 km (0.055 R)
• M21: 21,223,151 km (0.049 R)
• M22: 23,921,148 km (0.112 R)
• M23: 25,788,429 km (0.117 R)
• M24: 27,333,925 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.3

Radius: 5.4

Gravity: 17.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.62 AU - 9.5 AU

Year: 17287 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,054,498 km

• M1: 67,319 km (0.037 R)
• M2: 466,297 km (0.104 R)
• M3: 676,482 km (0.045 R)
• M4: 1,604,886 km (0.103 R)
• M5: 2,211,505 km (0.102 R)
• M6: 3,133,028 km (0.066 R)
• M7: 3,418,611 km (0.112 R)
• M8: 3,637,173 km (0.048 R)
• M9: 6,244,066 km (0.117 R)
• M10: 6,447,369 km (0.114 R)
• M11: 12,241,743 km (0.093 R)
• M12: 13,617,595 km (0.106 R)
• M13: 15,982,737 km (0.061 R)
• M14: 19,543,765 km (0.117 R)
• M15: 34,957,282 km (0.08 R)
• M16: 43,917,596 km (0.114 R)
• M17: 46,336,295 km (0.12 R)
• M18: 52,266,953 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.2

Radius: 7.5

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.33 AU - 10.43 AU

Year: 23084 Days

Day: 16.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,054,498 km

• M1: 94,396 km (0.101 R)
• M2: 399,875 km (0.106 R)
• M3: 999,463 km (0.115 R)
• M4: 1,452,895 km (0.118 R)
• M5: 2,767,860 km (0.092 R)
• M6: 3,817,887 km (0.102 R)
• M7: 4,076,243 km (0.082 R)
• M8: 5,267,790 km (0.048 R)
• M9: 5,922,430 km (0.114 R)
• M10: 8,480,703 km (0.082 R)
• M11: 8,866,067 km (0.104 R)
• M12: 9,205,655 km (0.045 R)
• M13: 9,971,296 km (0.098 R)
• M14: 11,100,312 km (0.106 R)
• M15: 12,104,413 km (0.092 R)
• M16: 13,240,758 km (0.102 R)
• M17: 14,446,816 km (0.072 R)
• M18: 18,138,443 km (0.048 R)
• M19: 19,910,579 km (0.068 R)
• M20: 21,187,696 km (0.094 R)
• M21: 22,000,162 km (0.088 R)
• M22: 24,673,326 km (0.08 R)
• M23: 25,120,175 km (0.09 R)
• M24: 31,041,558 km (0.093 R)
• M25: 33,160,014 km (0.091 R)
• M26: 36,084,203 km (0.089 R)
• M27: 41,332,396 km (0.09 R)
• M28: 48,101,251 km (0.092 R)
• M29: 52,203,823 km (0.099 R)
• M30: 57,310,495 km (0.025 R)
• M31: 58,686,796 km (0.057 R)
• M32: 70,276,143 km (0.113 R)
• M33: 72,992,691 km (0.094 R)
• M34: 73,913,466 km (0.12 R)
• M35: 75,309,214 km (0.09 R)
• M36: 80,577,303 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 20,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit