🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.1

Radius: 8.5

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.63 AU - 0.75 AU

Year: 389 Days

Day: 10.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,025,675 km

• M1: 105,766 km (0.115 R)
• M2: 489,335 km (0.061 R)
• M3: 757,713 km (0.105 R)
• M4: 1,473,090 km (0.117 R)
• M5: 1,792,033 km (0.103 R)
• M6: 2,121,896 km (0.097 R)
• M7: 2,405,085 km (0.03 R)
• M8: 2,755,443 km (0.114 R)
• M9: 3,411,430 km (0.081 R)
• M10: 3,698,957 km (0.091 R)
• M11: 4,016,254 km (0.079 R)
• M12: 4,337,291 km (0.091 R)
• M13: 4,812,564 km (0.075 R)
• M14: 5,272,876 km (0.064 R)
• M15: 5,867,228 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 8.2

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.82 AU - 0.96 AU

Year: 569 Days

Day: 13.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,025,675 km

• M1: 102,026 km (0.117 R)
• M2: 358,586 km (0.106 R)
• M3: 706,252 km (0.093 R)
• M4: 1,030,580 km (0.082 R)
• M5: 1,490,294 km (0.08 R)
• M6: 1,751,791 km (0.092 R)
• M7: 2,193,254 km (0.098 R)
• M8: 2,587,594 km (0.094 R)
• M9: 3,273,650 km (0.062 R)
• M10: 3,585,412 km (0.062 R)
• M11: 4,268,925 km (0.079 R)
• M12: 4,531,020 km (0.115 R)
• M13: 5,190,149 km (0.09 R)
• M14: 5,561,002 km (0.103 R)
• M15: 5,949,507 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 8.9

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.14 AU - 1.42 AU

Year: 982 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,025,675 km

• M1: 110,702 km (0.115 R)
• M2: 395,537 km (0.097 R)
• M3: 685,009 km (0.116 R)
• M4: 1,157,738 km (0.106 R)
• M5: 1,485,507 km (0.054 R)
• M6: 2,053,979 km (0.095 R)
• M7: 2,469,861 km (0.084 R)
• M8: 3,412,926 km (0.063 R)
• M9: 3,759,993 km (0.116 R)
• M10: 4,130,696 km (0.11 R)
• M11: 4,455,025 km (0.094 R)
• M12: 5,451,197 km (0.041 R)
• M13: 7,775,200 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.6

Radius: 12.2

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.4 AU - 1.84 AU

Year: 1399 Days

Day: 11.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,025,675 km

• M1: 152,141 km (0.103 R)
• M2: 538,253 km (0.064 R)
• M3: 940,522 km (0.102 R)
• M4: 1,427,463 km (0.086 R)
• M5: 2,050,089 km (0.066 R)
• M6: 2,573,682 km (0.072 R)
• M7: 3,349,496 km (0.097 R)
• M8: 4,115,886 km (0.069 R)
• M9: 4,721,608 km (0.101 R)
• M10: 5,137,340 km (0.107 R)
• M11: 5,556,065 km (0.079 R)
• M12: 6,297,173 km (0.12 R)
• M13: 7,386,694 km (0.108 R)
• M14: 8,396,629 km (0.078 R)
• M15: 12,310,858 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29

Radius: 12.9

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.46 AU - 1.9 AU

Year: 1477 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,025,675 km

• M1: 160,668 km (0.04 R)
• M2: 622,477 km (0.075 R)
• M3: 1,095,505 km (0.058 R)
• M4: 1,503,907 km (0.09 R)
• M5: 2,494,245 km (0.066 R)
• M6: 3,007,366 km (0.091 R)
• M7: 4,248,729 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.1

Radius: 9.8

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.52 AU - 6.64 AU

Year: 8940 Days

Day: 9.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,025,675 km

• M1: 121,922 km (0.09 R)
• M2: 479,012 km (0.06 R)
• M3: 999,463 km (0.088 R)
• M4: 1,699,133 km (0.088 R)
• M5: 3,041,325 km (0.068 R)
• M6: 3,414,871 km (0.092 R)
• M7: 3,745,631 km (0.102 R)
• M8: 4,868,812 km (0.115 R)
• M9: 5,382,382 km (0.079 R)
• M10: 7,067,003 km (0.078 R)
• M11: 9,903,828 km (0.1 R)
• M12: 10,629,826 km (0.075 R)
• M13: 13,774,822 km (0.059 R)
• M14: 14,927,175 km (0.102 R)
• M15: 15,816,534 km (0.111 R)
• M16: 20,337,083 km (0.056 R)
• M17: 22,808,290 km (0.07 R)
• M18: 24,417,963 km (0.095 R)
• M19: 29,014,208 km (0.066 R)
• M20: 30,598,748 km (0.055 R)
• M21: 31,207,612 km (0.074 R)
• M22: 34,592,114 km (0.086 R)
• M23: 35,809,990 km (0.099 R)
• M24: 37,285,773 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907

Radius: 3.2

Gravity: 88.57 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.28 AU - 6.8 AU

Year: 11344 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,025,675 km

• M1: 39,943 km (0.096 R)
• M2: 248,781 km (0.098 R)
• M3: 396,135 km (0.098 R)
• M4: 1,080,545 km (0.062 R)
• M5: 1,229,545 km (0.052 R)
• M6: 2,620,955 km (0.091 R)
• M7: 3,565,665 km (0.072 R)
• M8: 4,040,788 km (0.108 R)
• M9: 4,431,538 km (0.086 R)
• M10: 5,500,265 km (0.108 R)
• M11: 7,234,104 km (0.036 R)
• M12: 7,584,313 km (0.107 R)
• M13: 8,751,475 km (0.079 R)
• M14: 9,403,273 km (0.089 R)
• M15: 9,767,395 km (0.116 R)
• M16: 10,140,791 km (0.055 R)
• M17: 11,611,338 km (0.065 R)
• M18: 22,848,980 km (0.045 R)
• M19: 25,253,018 km (0.114 R)
• M20: 33,827,669 km (0.092 R)
• M21: 40,507,513 km (0.113 R)
• M22: 40,917,710 km (0.12 R)
• M23: 46,205,995 km (0.084 R)
• M24: 48,167,074 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.4

Radius: 6.3

Gravity: 23.54 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.81 AU - 9.97 AU

Year: 16483 Days

Day: 17.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,025,675 km

• M1: 78,988 km (0.057 R)
• M2: 359,633 km (0.078 R)
• M3: 1,236,127 km (0.075 R)
• M4: 1,553,125 km (0.085 R)
• M5: 2,119,353 km (0.093 R)
• M6: 2,438,744 km (0.039 R)
• M7: 2,939,598 km (0.098 R)
• M8: 3,201,245 km (0.089 R)
• M9: 3,593,490 km (0.101 R)
• M10: 4,144,310 km (0.119 R)
• M11: 5,185,361 km (0.118 R)
• M12: 5,568,182 km (0.114 R)
• M13: 8,120,322 km (0.039 R)
• M14: 11,681,499 km (0.091 R)
• M15: 12,272,561 km (0.104 R)
• M16: 14,461,327 km (0.043 R)
• M17: 16,405,950 km (0.088 R)
• M18: 18,872,519 km (0.109 R)
• M19: 19,869,440 km (0.104 R)
• M20: 20,710,778 km (0.107 R)
• M21: 21,575,753 km (0.116 R)
• M22: 23,377,360 km (0.081 R)
• M23: 26,264,449 km (0.078 R)
• M24: 26,487,201 km (0.09 R)
• M25: 29,022,735 km (0.082 R)
• M26: 30,717,679 km (0.109 R)
• M27: 33,122,315 km (0.032 R)
• M28: 34,837,903 km (0.054 R)
• M29: 36,611,984 km (0.103 R)
• M30: 39,311,777 km (0.108 R)
• M31: 41,534,951 km (0.106 R)
• M32: 52,315,722 km (0.085 R)
• M33: 54,276,651 km (0.103 R)
• M34: 72,632,010 km (0.084 R)
• M35: 73,512,244 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226

Radius: 6.5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.31 AU - 10.49 AU

Year: 18008 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,025,675 km

• M1: 81,830 km (0.088 R)
• M2: 352,303 km (0.103 R)
• M3: 638,334 km (0.056 R)
• M4: 1,012,478 km (0.039 R)
• M5: 1,970,802 km (0.112 R)
• M6: 2,500,229 km (0.051 R)
• M7: 2,873,925 km (0.047 R)
• M8: 3,429,531 km (0.086 R)
• M9: 3,945,195 km (0.104 R)
• M10: 4,970,240 km (0.114 R)
• M11: 5,227,548 km (0.102 R)
• M12: 6,089,531 km (0.088 R)
• M13: 7,244,576 km (0.048 R)
• M14: 8,313,154 km (0.115 R)
• M15: 8,908,703 km (0.046 R)
• M16: 10,547,547 km (0.065 R)
• M17: 12,145,402 km (0.069 R)
• M18: 12,377,728 km (0.111 R)
• M19: 12,971,631 km (0.109 R)
• M20: 13,961,221 km (0.102 R)
• M21: 14,280,613 km (0.072 R)
• M22: 15,950,873 km (0.047 R)
• M23: 16,582,774 km (0.074 R)
• M24: 23,486,866 km (0.115 R)
• M25: 24,121,011 km (0.11 R)
• M26: 26,188,603 km (0.095 R)
• M27: 26,772,334 km (0.11 R)
• M28: 28,269,659 km (0.092 R)
• M29: 30,033,119 km (0.09 R)
• M30: 32,422,496 km (0.066 R)
• M31: 33,892,295 km (0.049 R)
• M32: 34,353,356 km (0.091 R)
• M33: 40,733,705 km (0.099 R)
• M34: 45,167,188 km (0.109 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: 279 - 12,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit