🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261

Radius: 8.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.69 AU - 0.83 AU

Year: 466 Days

Day: 5.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 95,268,499 km

• M1: 116,238 km (0.084 R)
• M2: 458,368 km (0.091 R)
• M3: 744,549 km (0.067 R)
• M4: 1,071,719 km (0.116 R)
• M5: 1,388,418 km (0.063 R)
• M6: 1,761,216 km (0.045 R)
• M7: 2,441,736 km (0.117 R)
• M8: 2,719,988 km (0.101 R)
• M9: 3,161,901 km (0.098 R)
• M10: 3,582,869 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 14.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.75 AU - 0.77 AU

Year: 466 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 95,268,499 km

• M1: 181,163 km (0.11 R)
• M2: 753,375 km (0.095 R)
• M3: 1,394,402 km (0.034 R)
• M4: 2,135,360 km (0.043 R)
• M5: 2,610,782 km (0.098 R)
• M6: 3,205,733 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.7

Radius: 12.2

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.66 AU - 1.1 AU

Year: 580 Days

Day: 7.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 95,268,499 km

• M1: 151,842 km (0.098 R)
• M2: 579,393 km (0.042 R)
• M3: 1,059,153 km (0.077 R)
• M4: 1,466,059 km (0.074 R)
• M5: 1,952,551 km (0.064 R)
• M6: 2,557,226 km (0.114 R)
• M7: 2,999,437 km (0.099 R)
• M8: 4,342,527 km (0.067 R)
• M9: 5,096,799 km (0.109 R)
• M10: 6,698,095 km (0.059 R)
• M11: 7,102,608 km (0.086 R)
• M12: 7,546,165 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.4

Radius: 8.6

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.5 AU - 2.18 AU

Year: 1754 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 95,268,499 km

• M1: 107,262 km (0.068 R)
• M2: 396,584 km (0.031 R)
• M3: 753,076 km (0.043 R)
• M4: 1,552,377 km (0.103 R)
• M5: 1,942,828 km (0.085 R)
• M6: 2,293,784 km (0.056 R)
• M7: 2,968,321 km (0.074 R)
• M8: 5,553,073 km (0.049 R)
• M9: 6,393,364 km (0.057 R)
• M10: 6,953,309 km (0.105 R)
• M11: 7,838,928 km (0.104 R)
• M12: 8,201,404 km (0.12 R)
• M13: 10,799,171 km (0.092 R)
• M14: 12,466,290 km (0.111 R)
• M15: 14,612,570 km (0.119 R)
• M16: 15,442,091 km (0.11 R)
• M17: 16,302,727 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.9

Radius: 11.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.82 AU - 2.64 AU

Year: 2341 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,268,499 km

• M1: 148,401 km (0.109 R)
• M2: 538,552 km (0.102 R)
• M3: 927,656 km (0.099 R)
• M4: 1,310,627 km (0.1 R)
• M5: 1,885,083 km (0.081 R)
• M6: 2,292,288 km (0.067 R)
• M7: 2,828,297 km (0.059 R)
• M8: 3,511,960 km (0.059 R)
• M9: 4,209,534 km (0.086 R)
• M10: 4,791,620 km (0.102 R)
• M11: 5,317,307 km (0.117 R)
• M12: 5,857,804 km (0.104 R)
• M13: 7,844,015 km (0.099 R)
• M14: 8,219,057 km (0.115 R)
• M15: 8,819,692 km (0.037 R)
• M16: 9,289,130 km (0.116 R)
• M17: 10,041,458 km (0.055 R)
• M18: 10,518,974 km (0.076 R)
• M19: 12,311,007 km (0.074 R)
• M20: 12,779,249 km (0.086 R)
• M21: 14,298,415 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 12

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.02 AU - 3.2 AU

Year: 3855 Days

Day: 6.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 95,268,499 km

• M1: 149,299 km (0.076 R)
• M2: 578,495 km (0.098 R)
• M3: 1,021,005 km (0.099 R)
• M4: 1,603,540 km (0.111 R)
• M5: 3,163,995 km (0.099 R)
• M6: 3,785,873 km (0.095 R)
• M7: 5,379,689 km (0.05 R)
• M8: 6,747,911 km (0.074 R)
• M9: 7,414,669 km (0.109 R)
• M10: 10,572,082 km (0.117 R)
• M11: 11,253,500 km (0.058 R)
• M12: 11,738,646 km (0.09 R)
• M13: 14,584,296 km (0.086 R)
• M14: 16,418,217 km (0.047 R)
• M15: 17,332,409 km (0.049 R)
• M16: 18,340,549 km (0.098 R)
• M17: 18,889,873 km (0.035 R)
• M18: 19,513,097 km (0.054 R)
• M19: 21,065,026 km (0.102 R)
• M20: 21,871,059 km (0.119 R)
• M21: 22,977,784 km (0.085 R)
• M22: 23,616,417 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924

Radius: 12.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.3 AU - 4.6 AU

Year: 5518 Days

Day: 5.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 95,268,499 km

• M1: 153,637 km (0.084 R)
• M2: 589,116 km (0.084 R)
• M3: 1,168,359 km (0.118 R)
• M4: 1,596,060 km (0.074 R)
• M5: 2,288,847 km (0.09 R)
• M6: 3,072,142 km (0.071 R)
• M7: 3,695,965 km (0.079 R)
• M8: 4,224,494 km (0.086 R)
• M9: 4,667,005 km (0.095 R)
• M10: 6,516,932 km (0.115 R)
• M11: 7,475,555 km (0.088 R)
• M12: 8,244,488 km (0.065 R)
• M13: 8,689,542 km (0.073 R)
• M14: 10,030,836 km (0.107 R)
• M15: 11,063,361 km (0.045 R)
• M16: 12,165,299 km (0.097 R)
• M17: 12,689,939 km (0.115 R)
• M18: 14,239,324 km (0.098 R)
• M19: 14,822,307 km (0.026 R)
• M20: 16,160,609 km (0.114 R)
• M21: 17,314,458 km (0.107 R)
• M22: 18,590,976 km (0.099 R)
• M23: 23,757,488 km (0.082 R)
• M24: 26,887,973 km (0.104 R)
• M25: 29,526,431 km (0.118 R)
• M26: 34,996,327 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.4

Radius: 9.7

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.82 AU - 5.9 AU

Year: 7531 Days

Day: 5.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,268,499 km

• M1: 120,576 km (0.116 R)
• M2: 674,238 km (0.111 R)
• M3: 977,622 km (0.083 R)
• M4: 1,412,204 km (0.116 R)
• M5: 1,732,643 km (0.109 R)
• M6: 2,288,847 km (0.095 R)
• M7: 3,331,096 km (0.039 R)
• M8: 3,757,599 km (0.116 R)
• M9: 4,328,166 km (0.032 R)
• M10: 4,778,605 km (0.066 R)
• M11: 5,167,260 km (0.094 R)
• M12: 5,674,846 km (0.101 R)
• M13: 6,826,600 km (0.112 R)
• M14: 8,596,043 km (0.116 R)
• M15: 9,774,874 km (0.086 R)
• M16: 10,255,981 km (0.067 R)
• M17: 10,904,787 km (0.114 R)
• M18: 12,562,631 km (0.111 R)
• M19: 19,574,433 km (0.084 R)
• M20: 21,847,123 km (0.102 R)
• M21: 22,420,981 km (0.117 R)
• M22: 24,116,074 km (0.092 R)
• M23: 24,729,126 km (0.116 R)
• M24: 26,909,964 km (0.112 R)
• M25: 28,143,249 km (0.107 R)
• M26: 34,547,833 km (0.069 R)
• M27: 36,459,993 km (0.056 R)
• M28: 39,278,267 km (0.102 R)
• M29: 39,761,618 km (0.114 R)
• M30: 40,371,529 km (0.11 R)
• M31: 41,484,986 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.3

Radius: 7.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.15 AU - 9.29 AU

Year: 15078 Days

Day: 16.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 95,268,499 km

• M1: 93,648 km (0.118 R)
• M2: 589,416 km (0.117 R)
• M3: 1,078,451 km (0.112 R)
• M4: 1,335,311 km (0.026 R)
• M5: 1,576,014 km (0.071 R)
• M6: 2,008,950 km (0.06 R)
• M7: 2,659,401 km (0.076 R)
• M8: 6,224,618 km (0.053 R)
• M9: 7,304,266 km (0.107 R)
• M10: 7,676,465 km (0.076 R)
• M11: 8,823,133 km (0.091 R)
• M12: 9,779,961 km (0.096 R)
• M13: 11,287,758 km (0.096 R)
• M14: 18,954,649 km (0.103 R)
• M15: 25,923,815 km (0.034 R)
• M16: 38,367,366 km (0.088 R)
• M17: 45,862,070 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.6

Radius: 3

Gravity: 109.4 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.44 AU - 11.24 AU

Year: 23372 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 118.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 95,268,499 km

• M1: 37,699 km (0.106 R)
• M2: 153,936 km (0.096 R)
• M3: 358,736 km (0.092 R)
• M4: 547,678 km (0.119 R)
• M5: 799,152 km (0.074 R)
• M6: 1,543,252 km (0.032 R)
• M7: 1,974,991 km (0.062 R)
• M8: 3,397,816 km (0.026 R)
• M9: 3,553,847 km (0.084 R)
• M10: 4,861,033 km (0.096 R)
• M11: 5,387,618 km (0.086 R)
• M12: 7,556,188 km (0.109 R)
• M13: 8,260,645 km (0.086 R)
• M14: 8,485,939 km (0.072 R)
• M15: 12,301,882 km (0.098 R)
• M16: 12,669,892 km (0.11 R)
• M17: 12,819,042 km (0.111 R)
• M18: 14,295,423 km (0.046 R)
• M19: 17,396,437 km (0.095 R)
• M20: 19,595,825 km (0.077 R)
• M21: 22,623,985 km (0.104 R)
• M22: 24,652,233 km (0.109 R)
• M23: 24,768,321 km (0.083 R)
• M24: 27,916,758 km (0.041 R)
• M25: 29,195,371 km (0.041 R)
• M26: 32,422,496 km (0.069 R)
• M27: 46,990,038 km (0.119 R)
• M28: 51,400,482 km (0.062 R)
• M29: 51,780,012 km (0.07 R)
• M30: 64,053,769 km (0.104 R)
• M31: 70,157,362 km (0.074 R)
• M32: 75,652,990 km (0.062 R)
• M33: 80,403,769 km (0.081 R)
• M34: 83,766,281 km (0.115 R)
• M35: 88,303,285 km (0.079 R)
• M36: 93,564,642 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 14,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit