🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.2

Radius: 9.9

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.31 AU - 2.05 AU

Year: 1503 Days

Day: 8.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,769,011 km

• M1: 123,717 km (0.048 R)
• M2: 582,385 km (0.098 R)
• M3: 1,107,473 km (0.098 R)
• M4: 2,525,511 km (0.085 R)
• M5: 3,365,204 km (0.094 R)
• M6: 3,815,045 km (0.069 R)
• M7: 4,192,331 km (0.04 R)
• M8: 4,959,618 km (0.073 R)
• M9: 5,748,298 km (0.113 R)
• M10: 6,076,815 km (0.091 R)
• M11: 6,593,227 km (0.118 R)
• M12: 8,925,757 km (0.076 R)
• M13: 9,990,146 km (0.084 R)
• M14: 10,501,023 km (0.118 R)
• M15: 10,815,776 km (0.064 R)
• M16: 11,390,980 km (0.091 R)
• M17: 12,253,562 km (0.084 R)
• M18: 13,731,738 km (0.049 R)
• M19: 14,320,855 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 10

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.67 AU - 1.93 AU

Year: 1667 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,769,011 km

• M1: 125,064 km (0.053 R)
• M2: 437,424 km (0.071 R)
• M3: 760,705 km (0.045 R)
• M4: 1,133,653 km (0.107 R)
• M5: 1,583,045 km (0.064 R)
• M6: 2,461,633 km (0.06 R)
• M7: 3,316,734 km (0.045 R)
• M8: 3,821,777 km (0.063 R)
• M9: 5,627,423 km (0.119 R)
• M10: 5,968,506 km (0.064 R)
• M11: 7,075,381 km (0.097 R)
• M12: 7,446,384 km (0.096 R)
• M13: 10,283,208 km (0.105 R)
• M14: 11,322,614 km (0.03 R)
• M15: 12,128,348 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 12.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.58 AU - 2.26 AU

Year: 1836 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,769,011 km

• M1: 159,172 km (0.11 R)
• M2: 664,215 km (0.076 R)
• M3: 1,097,749 km (0.102 R)
• M4: 1,666,670 km (0.081 R)
• M5: 2,137,754 km (0.039 R)
• M6: 2,649,677 km (0.085 R)
• M7: 3,106,849 km (0.107 R)
• M8: 4,332,803 km (0.049 R)
• M9: 8,179,264 km (0.115 R)
• M10: 9,882,585 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.5

Radius: 15

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.25 AU - 3.71 AU

Year: 4481 Days

Day: 8.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,769,011 km

• M1: 186,549 km (0.117 R)
• M2: 910,602 km (0.087 R)
• M3: 1,533,977 km (0.068 R)
• M4: 2,781,174 km (0.096 R)
• M5: 6,931,468 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.7

Radius: 8.5

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.37 AU - 3.67 AU

Year: 4559 Days

Day: 6.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,769,011 km

• M1: 105,766 km (0.086 R)
• M2: 442,211 km (0.094 R)
• M3: 744,249 km (0.118 R)
• M4: 1,068,877 km (0.078 R)
• M5: 1,389,764 km (0.108 R)
• M6: 1,724,714 km (0.12 R)
• M7: 2,127,880 km (0.075 R)
• M8: 2,727,917 km (0.083 R)
• M9: 3,012,452 km (0.072 R)
• M10: 3,316,734 km (0.095 R)
• M11: 3,921,409 km (0.031 R)
• M12: 4,523,989 km (0.042 R)
• M13: 5,913,155 km (0.101 R)
• M14: 8,388,401 km (0.077 R)
• M15: 8,725,745 km (0.066 R)
• M16: 10,124,185 km (0.109 R)
• M17: 11,031,796 km (0.084 R)
• M18: 11,437,056 km (0.07 R)
• M19: 13,562,693 km (0.038 R)
• M20: 13,975,583 km (0.064 R)
• M21: 15,154,713 km (0.096 R)
• M22: 16,167,640 km (0.107 R)
• M23: 17,587,474 km (0.036 R)
• M24: 18,016,820 km (0.103 R)
• M25: 18,453,197 km (0.05 R)
• M26: 20,002,881 km (0.104 R)
• M27: 21,497,962 km (0.084 R)
• M28: 24,632,785 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.7

Radius: 14

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.13 AU - 4.03 AU

Year: 4676 Days

Day: 5.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,769,011 km

• M1: 174,132 km (0.113 R)
• M2: 628,909 km (0.116 R)
• M3: 1,235,978 km (0.119 R)
• M4: 2,011,792 km (0.101 R)
• M5: 2,463,129 km (0.067 R)
• M6: 3,230,716 km (0.086 R)
• M7: 4,613,449 km (0.109 R)
• M8: 5,495,478 km (0.089 R)
• M9: 6,113,467 km (0.046 R)
• M10: 7,594,785 km (0.095 R)
• M11: 8,101,473 km (0.106 R)
• M12: 8,592,004 km (0.115 R)
• M13: 9,550,178 km (0.056 R)
• M14: 11,028,056 km (0.088 R)
• M15: 11,726,678 km (0.114 R)
• M16: 12,405,104 km (0.085 R)
• M17: 13,787,538 km (0.105 R)
• M18: 15,384,346 km (0.096 R)
• M19: 19,877,967 km (0.113 R)
• M20: 22,130,462 km (0.078 R)
• M21: 22,867,979 km (0.096 R)
• M22: 24,004,923 km (0.117 R)
• M23: 24,470,173 km (0.117 R)
• M24: 26,227,798 km (0.087 R)
• M25: 27,221,277 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 8.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3 AU - 4.76 AU

Year: 5275 Days

Day: 11.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,769,011 km

• M1: 111,600 km (0.079 R)
• M2: 388,655 km (0.077 R)
• M3: 933,042 km (0.062 R)
• M4: 1,964,968 km (0.091 R)
• M5: 3,697,012 km (0.089 R)
• M6: 5,322,842 km (0.107 R)
• M7: 7,964,291 km (0.103 R)
• M8: 8,987,840 km (0.09 R)
• M9: 13,420,724 km (0.07 R)
• M10: 13,738,320 km (0.105 R)
• M11: 17,091,108 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.6

Radius: 14.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.27 AU - 5.35 AU

Year: 7282 Days

Day: 6.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,769,011 km

• M1: 261,946 km (0.03 R)
• M2: 826,528 km (0.12 R)
• M3: 1,380,938 km (0.07 R)
• M4: 1,931,608 km (0.059 R)
• M5: 2,545,857 km (0.109 R)
• M6: 4,034,804 km (0.115 R)
• M7: 5,049,826 km (0.101 R)
• M8: 5,632,360 km (0.104 R)
• M9: 8,313,303 km (0.096 R)
• M10: 8,890,452 km (0.053 R)
• M11: 11,471,314 km (0.05 R)
• M12: 16,109,297 km (0.09 R)
• M13: 19,772,201 km (0.104 R)
• M14: 27,671,567 km (0.089 R)
• M15: 28,354,631 km (0.105 R)
• M16: 29,754,268 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.6

Radius: 12.7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.73 AU - 5.87 AU

Year: 8422 Days

Day: 11.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,769,011 km

• M1: 157,975 km (0.104 R)
• M2: 1,065,586 km (0.065 R)
• M3: 1,487,751 km (0.097 R)
• M4: 3,202,292 km (0.085 R)
• M5: 9,193,687 km (0.069 R)
• M6: 10,118,052 km (0.037 R)
• M7: 12,627,556 km (0.09 R)
• M8: 13,923,373 km (0.085 R)
• M9: 17,012,868 km (0.093 R)
• M10: 22,534,825 km (0.08 R)
• M11: 23,181,686 km (0.111 R)
• M12: 26,128,764 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.2

Radius: 7.4

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.13 AU - 7.25 AU

Year: 13308 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 82 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,769,011 km

• M1: 92,003 km (0.12 R)
• M2: 461,958 km (0.06 R)
• M3: 910,752 km (0.106 R)
• M4: 1,237,324 km (0.108 R)
• M5: 1,625,530 km (0.035 R)
• M6: 2,204,025 km (0.108 R)
• M7: 2,541,069 km (0.09 R)
• M8: 3,523,329 km (0.073 R)
• M9: 4,071,456 km (0.104 R)
• M10: 4,965,303 km (0.049 R)
• M11: 5,233,532 km (0.069 R)
• M12: 5,983,915 km (0.112 R)
• M13: 6,804,160 km (0.036 R)
• M14: 8,570,163 km (0.078 R)
• M15: 9,006,091 km (0.099 R)
• M16: 9,713,539 km (0.068 R)
• M17: 10,457,340 km (0.089 R)
• M18: 11,011,600 km (0.119 R)
• M19: 13,169,699 km (0.118 R)
• M20: 14,755,885 km (0.078 R)
• M21: 18,863,693 km (0.088 R)
• M22: 26,008,787 km (0.106 R)
• M23: 29,028,420 km (0.12 R)
• M24: 33,209,979 km (0.105 R)
• M25: 34,769,687 km (0.117 R)
• M26: 35,259,171 km (0.089 R)
• M27: 37,263,483 km (0.096 R)
• M28: 40,141,746 km (0.082 R)
• M29: 44,444,181 km (0.113 R)
• M30: 47,377,197 km (0.069 R)
• M31: 48,738,238 km (0.043 R)
• M32: 49,505,526 km (0.059 R)
• M33: 52,655,309 km (0.078 R)
• M34: 54,608,010 km (0.108 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: 306 - 16,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit