🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.9

Radius: 10.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.71 AU - 0.75 AU

Year: 409 Days

Day: 8.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,981,533 km

• M1: 134,339 km (0.104 R)
• M2: 540,796 km (0.095 R)
• M3: 907,311 km (0.118 R)
• M4: 1,288,935 km (0.034 R)
• M5: 1,719,029 km (0.055 R)
• M6: 2,363,646 km (0.059 R)
• M7: 2,727,468 km (0.096 R)
• M8: 3,163,097 km (0.087 R)
• M9: 3,798,888 km (0.062 R)
• M10: 4,988,191 km (0.111 R)
• M11: 6,063,351 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.9

Radius: 13.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.59 AU - 0.92 AU

Year: 426 Days

Day: 10 Hours

Environment

Temp: -146 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,981,533 km

• M1: 172,935 km (0.112 R)
• M2: 620,382 km (0.09 R)
• M3: 1,141,881 km (0.079 R)
• M4: 1,631,215 km (0.059 R)
• M5: 2,253,542 km (0.067 R)
• M6: 2,957,101 km (0.115 R)
• M7: 3,983,492 km (0.071 R)
• M8: 5,002,403 km (0.034 R)
• M9: 5,807,539 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331

Radius: 12.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.9 AU - 2.72 AU

Year: 2303 Days

Day: 5.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,981,533 km

• M1: 157,975 km (0.098 R)
• M2: 731,833 km (0.079 R)
• M3: 1,149,510 km (0.054 R)
• M4: 1,581,249 km (0.057 R)
• M5: 2,370,677 km (0.049 R)
• M6: 3,652,282 km (0.12 R)
• M7: 4,323,528 km (0.096 R)
• M8: 4,748,835 km (0.088 R)
• M9: 5,202,116 km (0.099 R)
• M10: 5,706,860 km (0.11 R)
• M11: 7,206,279 km (0.054 R)
• M12: 8,770,624 km (0.055 R)
• M13: 9,616,750 km (0.038 R)
• M14: 10,043,103 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.4

Radius: 12.3

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.56 AU - 3.32 AU

Year: 3307 Days

Day: 12.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,981,533 km

• M1: 153,039 km (0.03 R)
• M2: 607,667 km (0.108 R)
• M3: 1,025,194 km (0.102 R)
• M4: 1,699,133 km (0.109 R)
• M5: 2,528,054 km (0.068 R)
• M6: 3,750,119 km (0.076 R)
• M7: 4,257,107 km (0.063 R)
• M8: 4,858,041 km (0.087 R)
• M9: 5,488,447 km (0.104 R)
• M10: 5,975,687 km (0.108 R)
• M11: 6,944,333 km (0.083 R)
• M12: 8,896,735 km (0.112 R)
• M13: 11,888,543 km (0.066 R)
• M14: 12,475,864 km (0.102 R)
• M15: 13,130,056 km (0.091 R)
• M16: 13,611,312 km (0.102 R)
• M17: 18,308,685 km (0.089 R)
• M18: 22,866,184 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244

Radius: 14.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.13 AU - 5.05 AU

Year: 5426 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,981,533 km

• M1: 197,020 km (0.115 R)
• M2: 1,728,155 km (0.089 R)
• M3: 2,836,824 km (0.069 R)
• M4: 3,502,086 km (0.076 R)
• M5: 4,184,103 km (0.089 R)
• M6: 6,658,302 km (0.105 R)
• M7: 7,170,974 km (0.064 R)
• M8: 7,906,547 km (0.092 R)
• M9: 12,545,427 km (0.108 R)
• M10: 13,189,595 km (0.068 R)
• M11: 19,834,733 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.5

Radius: 3.9

Gravity: 20.94 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.36 AU - 7.04 AU

Year: 10127 Days

Day: 22.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,981,533 km

• M1: 48,470 km (0.114 R)
• M2: 960,718 km (0.064 R)
• M3: 1,109,717 km (0.114 R)
• M4: 1,611,169 km (0.114 R)
• M5: 1,808,040 km (0.108 R)
• M6: 2,199,537 km (0.036 R)
• M7: 3,001,382 km (0.042 R)
• M8: 3,571,500 km (0.105 R)
• M9: 3,857,680 km (0.113 R)
• M10: 4,082,077 km (0.08 R)
• M11: 4,980,562 km (0.063 R)
• M12: 5,246,846 km (0.096 R)
• M13: 5,585,087 km (0.061 R)
• M14: 9,355,851 km (0.09 R)
• M15: 9,898,742 km (0.117 R)
• M16: 10,084,392 km (0.09 R)
• M17: 11,347,597 km (0.08 R)
• M18: 11,653,375 km (0.071 R)
• M19: 15,142,596 km (0.06 R)
• M20: 17,056,551 km (0.114 R)
• M21: 19,631,579 km (0.097 R)
• M22: 19,851,039 km (0.118 R)
• M23: 24,676,767 km (0.111 R)
• M24: 25,189,738 km (0.112 R)
• M25: 26,682,127 km (0.1 R)
• M26: 28,418,509 km (0.069 R)
• M27: 29,553,209 km (0.109 R)
• M28: 31,610,928 km (0.082 R)
• M29: 35,573,626 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.5

Radius: 7

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.89 AU - 8.09 AU

Year: 13447 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,981,533 km

• M1: 87,814 km (0.114 R)
• M2: 334,800 km (0.105 R)
• M3: 687,402 km (0.056 R)
• M4: 1,010,234 km (0.063 R)
• M5: 1,313,170 km (0.029 R)
• M6: 1,691,354 km (0.112 R)
• M7: 2,306,650 km (0.08 R)
• M8: 2,686,927 km (0.117 R)
• M9: 3,729,176 km (0.069 R)
• M10: 5,050,574 km (0.119 R)
• M11: 5,728,102 km (0.084 R)
• M12: 8,441,658 km (0.113 R)
• M13: 11,173,764 km (0.109 R)
• M14: 11,566,309 km (0.085 R)
• M15: 11,794,745 km (0.073 R)
• M16: 12,921,366 km (0.099 R)
• M17: 15,317,924 km (0.073 R)
• M18: 15,942,944 km (0.092 R)
• M19: 17,021,994 km (0.066 R)
• M20: 18,072,320 km (0.119 R)
• M21: 18,302,851 km (0.085 R)
• M22: 21,481,955 km (0.103 R)
• M23: 27,567,148 km (0.098 R)
• M24: 28,387,393 km (0.096 R)
• M25: 29,223,794 km (0.103 R)
• M26: 29,754,717 km (0.113 R)
• M27: 33,769,924 km (0.097 R)
• M28: 34,119,983 km (0.056 R)
• M29: 35,304,200 km (0.11 R)
• M30: 41,106,802 km (0.086 R)
• M31: 45,782,633 km (0.1 R)
• M32: 47,368,221 km (0.097 R)
• M33: 50,344,171 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.3

Radius: 4

Gravity: 25.83 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.17 AU - 9.01 AU

Year: 15095 Days

Day: 22.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,981,533 km

• M1: 49,816 km (0.11 R)
• M2: 549,922 km (0.09 R)
• M3: 749,635 km (0.113 R)
• M4: 922,271 km (0.091 R)
• M5: 1,097,899 km (0.113 R)
• M6: 1,516,474 km (0.075 R)
• M7: 2,372,173 km (0.084 R)
• M8: 3,281,878 km (0.118 R)
• M9: 3,910,937 km (0.066 R)
• M10: 9,756,175 km (0.096 R)
• M11: 11,494,053 km (0.089 R)
• M12: 11,666,839 km (0.119 R)
• M13: 14,538,519 km (0.088 R)
• M14: 19,107,986 km (0.048 R)
• M15: 20,510,018 km (0.074 R)
• M16: 25,028,472 km (0.076 R)
• M17: 29,949,643 km (0.079 R)
• M18: 42,056,898 km (0.07 R)
• M19: 45,703,645 km (0.108 R)
• M20: 46,282,888 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.7

Radius: 4.7

Gravity: 31.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.75 AU - 8.53 AU

Year: 15235 Days

Day: 20.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,981,533 km

• M1: 67,469 km (0.093 R)
• M2: 430,692 km (0.106 R)
• M3: 719,715 km (0.059 R)
• M4: 1,055,712 km (0.026 R)
• M5: 1,459,626 km (0.107 R)
• M6: 2,149,871 km (0.1 R)
• M7: 2,567,099 km (0.084 R)
• M8: 2,818,573 km (0.075 R)
• M9: 4,267,130 km (0.108 R)
• M10: 6,110,325 km (0.109 R)
• M11: 6,685,080 km (0.117 R)
• M12: 6,855,771 km (0.064 R)
• M13: 7,205,681 km (0.102 R)
• M14: 7,613,634 km (0.085 R)
• M15: 8,327,365 km (0.117 R)
• M16: 8,725,894 km (0.073 R)
• M17: 9,777,567 km (0.087 R)
• M18: 10,277,224 km (0.094 R)
• M19: 12,771,170 km (0.115 R)
• M20: 13,844,984 km (0.045 R)
• M21: 19,083,602 km (0.1 R)
• M22: 20,127,496 km (0.088 R)
• M23: 22,614,261 km (0.084 R)
• M24: 23,096,266 km (0.066 R)
• M25: 24,583,119 km (0.085 R)
• M26: 26,027,486 km (0.072 R)
• M27: 29,311,010 km (0.09 R)
• M28: 30,463,961 km (0.066 R)
• M29: 38,023,889 km (0.028 R)
• M30: 38,295,409 km (0.116 R)
• M31: 38,842,190 km (0.081 R)
• M32: 44,450,015 km (0.11 R)
• M33: 51,067,178 km (0.117 R)
• M34: 51,563,394 km (0.046 R)
• M35: 52,397,701 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.3

Radius: 4.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.96 AU - 9.18 AU

Year: 17919 Days

Day: 20.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,981,533 km

• M1: 61,784 km (0.06 R)
• M2: 270,174 km (0.075 R)
• M3: 545,733 km (0.072 R)
• M4: 1,202,468 km (0.083 R)
• M5: 2,624,395 km (0.104 R)
• M6: 3,248,368 km (0.077 R)
• M7: 3,436,712 km (0.119 R)
• M8: 3,707,783 km (0.084 R)
• M9: 5,811,877 km (0.041 R)
• M10: 8,556,250 km (0.078 R)
• M11: 9,146,713 km (0.09 R)
• M12: 10,509,849 km (0.112 R)
• M13: 11,891,834 km (0.096 R)
• M14: 16,549,564 km (0.109 R)
• M15: 20,250,765 km (0.101 R)
• M16: 27,260,173 km (0.088 R)
• M17: 28,236,149 km (0.119 R)
• M18: 37,849,608 km (0.11 R)
• M19: 38,818,553 km (0.093 R)
• M20: 41,568,012 km (0.064 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 12,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit