🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 10.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.47 AU - 0.65 AU

Year: 279 Days

Day: 13.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 68.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,757,712 km

• M1: 129,402 km (0.075 R)
• M2: 476,768 km (0.115 R)
• M3: 1,007,691 km (0.103 R)
• M4: 1,499,868 km (0.078 R)
• M5: 2,110,976 km (0.082 R)
• M6: 2,799,275 km (0.118 R)
• M7: 3,196,308 km (0.095 R)
• M8: 3,862,767 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.1

Radius: 11.6

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.91 AU - 1.45 AU

Year: 855 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,757,712 km

• M1: 144,212 km (0.086 R)
• M2: 675,584 km (0.064 R)
• M3: 1,104,780 km (0.08 R)
• M4: 1,469,799 km (0.065 R)
• M5: 1,870,273 km (0.063 R)
• M6: 2,253,692 km (0.093 R)
• M7: 2,630,080 km (0.103 R)
• M8: 3,026,963 km (0.084 R)
• M9: 3,403,950 km (0.047 R)
• M10: 3,890,293 km (0.085 R)
• M11: 4,253,815 km (0.085 R)
• M12: 5,160,229 km (0.072 R)
• M13: 5,617,550 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.7

Radius: 11.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.06 AU - 1.54 AU

Year: 988 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,757,712 km

• M1: 141,819 km (0.092 R)
• M2: 628,909 km (0.098 R)
• M3: 994,078 km (0.106 R)
• M4: 1,416,692 km (0.115 R)
• M5: 2,399,999 km (0.083 R)
• M6: 3,012,901 km (0.102 R)
• M7: 3,765,678 km (0.072 R)
• M8: 4,757,811 km (0.109 R)
• M9: 5,396,444 km (0.049 R)
• M10: 5,796,170 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.9

Radius: 10.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.36 AU - 1.9 AU

Year: 1388 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,757,712 km

• M1: 125,662 km (0.118 R)
• M2: 625,170 km (0.104 R)
• M3: 1,324,689 km (0.115 R)
• M4: 2,214,348 km (0.086 R)
• M5: 2,566,651 km (0.076 R)
• M6: 3,788,716 km (0.108 R)
• M7: 4,151,042 km (0.11 R)
• M8: 5,176,386 km (0.099 R)
• M9: 6,305,101 km (0.074 R)
• M10: 6,775,736 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.4

Radius: 12.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.37 AU - 2.07 AU

Year: 1504 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,757,712 km

• M1: 159,621 km (0.069 R)
• M2: 571,913 km (0.042 R)
• M3: 1,016,667 km (0.078 R)
• M4: 2,004,462 km (0.076 R)
• M5: 3,025,168 km (0.112 R)
• M6: 3,738,002 km (0.088 R)
• M7: 4,348,511 km (0.075 R)
• M8: 4,797,903 km (0.11 R)
• M9: 6,048,392 km (0.077 R)
• M10: 7,133,275 km (0.088 R)
• M11: 8,841,982 km (0.109 R)
• M12: 9,330,718 km (0.118 R)
• M13: 10,488,905 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 14.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.91 AU - 3.13 AU

Year: 2668 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,757,712 km

• M1: 181,462 km (0.119 R)
• M2: 720,015 km (0.118 R)
• M3: 1,895,704 km (0.082 R)
• M4: 2,537,479 km (0.116 R)
• M5: 3,104,754 km (0.103 R)
• M6: 5,012,875 km (0.106 R)
• M7: 6,345,642 km (0.052 R)
• M8: 9,457,428 km (0.084 R)
• M9: 10,968,665 km (0.12 R)
• M10: 11,448,575 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 11.8

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.41 AU - 3.77 AU

Year: 4536 Days

Day: 14.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,757,712 km

• M1: 146,756 km (0.112 R)
• M2: 545,583 km (0.07 R)
• M3: 945,608 km (0.079 R)
• M4: 2,292,139 km (0.103 R)
• M5: 2,897,112 km (0.091 R)
• M6: 3,691,776 km (0.105 R)
• M7: 5,069,124 km (0.079 R)
• M8: 8,926,056 km (0.099 R)
• M9: 11,143,695 km (0.041 R)
• M10: 12,184,298 km (0.092 R)
• M11: 13,083,082 km (0.058 R)
• M12: 15,523,023 km (0.055 R)
• M13: 16,459,506 km (0.092 R)
• M14: 18,768,848 km (0.092 R)
• M15: 20,103,261 km (0.117 R)
• M16: 22,003,752 km (0.103 R)
• M17: 25,513,019 km (0.043 R)
• M18: 26,982,370 km (0.1 R)
• M19: 28,941,054 km (0.048 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.6

Radius: 10.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.51 AU - 4.63 AU

Year: 6515 Days

Day: 9.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,757,712 km

• M1: 128,056 km (0.053 R)
• M2: 456,872 km (0.108 R)
• M3: 1,237,623 km (0.119 R)
• M4: 1,578,706 km (0.089 R)
• M5: 1,998,029 km (0.091 R)
• M6: 2,440,091 km (0.067 R)
• M7: 2,851,485 km (0.106 R)
• M8: 3,372,086 km (0.069 R)
• M9: 3,746,080 km (0.092 R)
• M10: 5,588,378 km (0.11 R)
• M11: 6,275,481 km (0.051 R)
• M12: 6,707,221 km (0.089 R)
• M13: 7,194,461 km (0.094 R)
• M14: 8,476,365 km (0.059 R)
• M15: 9,046,333 km (0.115 R)
• M16: 10,172,506 km (0.106 R)
• M17: 12,545,128 km (0.118 R)
• M18: 13,339,642 km (0.09 R)
• M19: 13,887,769 km (0.065 R)
• M20: 14,622,743 km (0.09 R)
• M21: 17,175,182 km (0.105 R)
• M22: 17,758,614 km (0.099 R)
• M23: 19,448,322 km (0.046 R)
• M24: 21,990,588 km (0.108 R)
• M25: 26,850,873 km (0.119 R)
• M26: 29,807,675 km (0.101 R)
• M27: 30,367,620 km (0.118 R)
• M28: 31,316,519 km (0.055 R)
• M29: 32,974,811 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.4

Radius: 7.9

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.38 AU - 8.42 AU

Year: 12087 Days

Day: 24.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,757,712 km

• M1: 103,522 km (0.115 R)
• M2: 1,037,760 km (0.1 R)
• M3: 1,508,246 km (0.081 R)
• M4: 2,080,607 km (0.107 R)
• M5: 3,338,426 km (0.114 R)
• M6: 3,626,252 km (0.075 R)
• M7: 4,089,258 km (0.087 R)
• M8: 4,678,524 km (0.05 R)
• M9: 4,978,468 km (0.055 R)
• M10: 5,683,821 km (0.118 R)
• M11: 6,025,653 km (0.106 R)
• M12: 6,675,655 km (0.094 R)
• M13: 6,940,743 km (0.114 R)
• M14: 7,212,861 km (0.099 R)
• M15: 7,861,817 km (0.099 R)
• M16: 9,944,369 km (0.067 R)
• M17: 11,867,001 km (0.083 R)
• M18: 13,901,981 km (0.115 R)
• M19: 14,523,709 km (0.106 R)
• M20: 17,913,447 km (0.106 R)
• M21: 21,466,995 km (0.075 R)
• M22: 22,891,017 km (0.117 R)
• M23: 24,466,433 km (0.092 R)
• M24: 26,582,943 km (0.118 R)
• M25: 27,154,557 km (0.117 R)
• M26: 29,018,696 km (0.116 R)
• M27: 31,176,645 km (0.117 R)
• M28: 31,812,286 km (0.028 R)
• M29: 32,564,764 km (0.094 R)
• M30: 40,503,474 km (0.074 R)
• M31: 41,898,025 km (0.079 R)

Asteroid Belt

Center: 7.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.9

Radius: 3.1

Gravity: 19.03 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.09 AU - 9.97 AU

Year: 15174 Days

Day: 19.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,757,712 km

• M1: 43,084 km (0.088 R)
• M2: 421,118 km (0.082 R)
• M3: 885,320 km (0.051 R)
• M4: 1,083,837 km (0.111 R)
• M5: 1,739,823 km (0.092 R)
• M6: 1,954,197 km (0.095 R)
• M7: 2,134,762 km (0.102 R)
• M8: 2,969,967 km (0.077 R)
• M9: 3,076,929 km (0.035 R)
• M10: 4,917,581 km (0.051 R)
• M11: 7,189,524 km (0.104 R)
• M12: 8,107,307 km (0.12 R)
• M13: 9,011,028 km (0.052 R)
• M14: 9,145,367 km (0.111 R)
• M15: 9,281,052 km (0.085 R)
• M16: 9,884,679 km (0.032 R)
• M17: 14,367,380 km (0.053 R)
• M18: 18,483,715 km (0.065 R)
• M19: 23,744,623 km (0.114 R)
• M20: 27,504,616 km (0.102 R)
• M21: 28,167,633 km (0.09 R)
• M22: 29,230,826 km (0.065 R)
• M23: 30,723,363 km (0.089 R)
• M24: 32,370,436 km (0.095 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: 364 - 17,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit