🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 13.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.98 AU - 1.54 AU

Year: 928 Days

Day: 14.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,642,506 km

• M1: 172,935 km (0.089 R)
• M2: 736,470 km (0.077 R)
• M3: 1,926,222 km (0.114 R)
• M4: 2,474,947 km (0.09 R)
• M5: 2,981,037 km (0.081 R)
• M6: 3,475,607 km (0.106 R)
• M7: 4,039,890 km (0.074 R)
• M8: 4,583,380 km (0.095 R)
• M9: 5,018,560 km (0.066 R)
• M10: 5,499,816 km (0.063 R)
• M11: 6,269,796 km (0.103 R)
• M12: 6,915,162 km (0.08 R)
• M13: 7,490,216 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.3

Radius: 10.2

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.32 AU - 1.52 AU

Year: 1110 Days

Day: 9.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,642,506 km

• M1: 126,859 km (0.055 R)
• M2: 501,302 km (0.065 R)
• M3: 915,240 km (0.057 R)
• M4: 1,267,094 km (0.1 R)
• M5: 1,893,759 km (0.104 R)
• M6: 3,446,885 km (0.074 R)
• M7: 4,128,452 km (0.104 R)
• M8: 4,519,950 km (0.103 R)
• M9: 5,419,632 km (0.111 R)
• M10: 6,670,868 km (0.039 R)
• M11: 7,861,817 km (0.098 R)
• M12: 8,381,669 km (0.107 R)
• M13: 9,922,079 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.1

Radius: 11.4

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.41 AU - 1.99 AU

Year: 1454 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,642,506 km

• M1: 142,716 km (0.118 R)
• M2: 516,262 km (0.117 R)
• M3: 1,018,761 km (0.087 R)
• M4: 1,425,967 km (0.03 R)
• M5: 1,902,287 km (0.11 R)
• M6: 2,386,984 km (0.09 R)
• M7: 3,672,029 km (0.12 R)
• M8: 4,559,594 km (0.117 R)
• M9: 5,780,611 km (0.071 R)
• M10: 6,611,328 km (0.055 R)
• M11: 7,388,938 km (0.078 R)
• M12: 9,338,198 km (0.106 R)
• M13: 10,580,459 km (0.107 R)
• M14: 11,679,555 km (0.072 R)
• M15: 12,367,406 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.7

Radius: 12.2

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.65 AU - 2.15 AU

Year: 1718 Days

Day: 5.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,642,506 km

• M1: 151,692 km (0.109 R)
• M2: 570,417 km (0.112 R)
• M3: 1,114,355 km (0.084 R)
• M4: 1,631,814 km (0.106 R)
• M5: 2,396,109 km (0.111 R)
• M6: 3,122,706 km (0.08 R)
• M7: 3,740,994 km (0.055 R)
• M8: 4,320,237 km (0.105 R)
• M9: 6,972,607 km (0.099 R)
• M10: 7,726,281 km (0.096 R)
• M11: 8,293,556 km (0.055 R)
• M12: 9,027,484 km (0.092 R)
• M13: 9,686,462 km (0.084 R)
• M14: 10,163,530 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.5

Radius: 9.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.05 AU - 3.35 AU

Year: 2910 Days

Day: 14.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,642,506 km

• M1: 135,087 km (0.115 R)
• M2: 640,428 km (0.085 R)
• M3: 1,806,693 km (0.066 R)
• M4: 2,463,279 km (0.062 R)
• M5: 4,090,155 km (0.083 R)
• M6: 4,631,400 km (0.109 R)
• M7: 5,473,038 km (0.093 R)
• M8: 6,105,388 km (0.084 R)
• M9: 7,172,470 km (0.067 R)
• M10: 7,750,516 km (0.04 R)
• M11: 8,081,427 km (0.084 R)
• M12: 9,065,481 km (0.081 R)
• M13: 11,231,659 km (0.068 R)
• M14: 12,952,184 km (0.101 R)
• M15: 13,248,088 km (0.116 R)
• M16: 13,809,529 km (0.115 R)
• M17: 15,447,327 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 9.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.43 AU - 6.41 AU

Year: 8278 Days

Day: 15 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,642,506 km

• M1: 123,568 km (0.117 R)
• M2: 496,366 km (0.08 R)
• M3: 882,478 km (0.094 R)
• M4: 1,804,150 km (0.112 R)
• M5: 2,452,657 km (0.096 R)
• M6: 3,146,492 km (0.109 R)
• M7: 5,261,656 km (0.095 R)
• M8: 5,959,082 km (0.12 R)
• M9: 6,855,023 km (0.074 R)
• M10: 7,876,328 km (0.066 R)
• M11: 8,706,596 km (0.12 R)
• M12: 9,121,880 km (0.067 R)
• M13: 10,127,776 km (0.113 R)
• M14: 10,965,075 km (0.102 R)
• M15: 11,499,140 km (0.077 R)
• M16: 11,948,831 km (0.092 R)
• M17: 14,261,763 km (0.053 R)
• M18: 18,983,970 km (0.099 R)
• M19: 20,691,330 km (0.106 R)
• M20: 23,921,747 km (0.12 R)
• M21: 24,409,137 km (0.075 R)
• M22: 26,081,641 km (0.118 R)
• M23: 29,560,539 km (0.077 R)
• M24: 30,310,623 km (0.109 R)
• M25: 31,751,101 km (0.04 R)
• M26: 33,337,287 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 15

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.11 AU - 5.77 AU

Year: 8324 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,642,506 km

• M1: 187,596 km (0.083 R)
• M2: 828,922 km (0.085 R)
• M3: 1,342,641 km (0.074 R)
• M4: 1,836,015 km (0.034 R)
• M5: 2,971,313 km (0.097 R)
• M6: 4,017,002 km (0.1 R)
• M7: 4,639,030 km (0.085 R)
• M8: 5,353,809 km (0.049 R)
• M9: 7,539,284 km (0.061 R)
• M10: 8,730,532 km (0.115 R)
• M11: 9,779,961 km (0.053 R)
• M12: 10,771,645 km (0.108 R)
• M13: 11,388,437 km (0.086 R)
• M14: 12,180,109 km (0.03 R)
• M15: 18,450,653 km (0.048 R)
• M16: 20,462,894 km (0.083 R)
• M17: 25,415,182 km (0.067 R)
• M18: 26,425,417 km (0.117 R)
• M19: 27,200,483 km (0.117 R)
• M20: 30,079,644 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.4

Radius: 4.4

Gravity: 42.01 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.54 AU - 7.98 AU

Year: 11530 Days

Day: 22.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,642,506 km

• M1: 54,753 km (0.109 R)
• M2: 250,576 km (0.079 R)
• M3: 1,092,364 km (0.108 R)
• M4: 1,986,510 km (0.103 R)
• M5: 2,465,822 km (0.095 R)
• M6: 2,656,110 km (0.088 R)
• M7: 3,162,798 km (0.099 R)
• M8: 4,902,173 km (0.103 R)
• M9: 5,068,077 km (0.077 R)
• M10: 5,517,319 km (0.114 R)
• M11: 5,992,592 km (0.071 R)
• M12: 6,182,581 km (0.082 R)
• M13: 6,858,464 km (0.087 R)
• M14: 9,638,142 km (0.086 R)
• M15: 12,158,567 km (0.081 R)
• M16: 16,011,909 km (0.112 R)
• M17: 17,050,567 km (0.095 R)
• M18: 19,015,834 km (0.085 R)
• M19: 22,832,375 km (0.062 R)
• M20: 24,146,144 km (0.118 R)
• M21: 25,608,911 km (0.058 R)
• M22: 26,008,637 km (0.064 R)
• M23: 27,545,007 km (0.068 R)
• M24: 29,249,376 km (0.119 R)
• M25: 36,897,567 km (0.087 R)
• M26: 46,365,466 km (0.057 R)
• M27: 48,161,838 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.1

Radius: 6.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.76 AU - 9.1 AU

Year: 17506 Days

Day: 22.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,642,506 km

• M1: 79,736 km (0.085 R)
• M2: 310,864 km (0.092 R)
• M3: 530,025 km (0.116 R)
• M4: 1,890,917 km (0.086 R)
• M5: 2,424,383 km (0.117 R)
• M6: 3,035,341 km (0.086 R)
• M7: 3,483,686 km (0.072 R)
• M8: 4,018,049 km (0.095 R)
• M9: 6,774,091 km (0.101 R)
• M10: 7,407,339 km (0.109 R)
• M11: 10,461,529 km (0.119 R)
• M12: 12,751,274 km (0.106 R)
• M13: 15,355,174 km (0.07 R)
• M14: 16,057,536 km (0.112 R)
• M15: 22,467,057 km (0.028 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950

Radius: 7.2

Gravity: 18.33 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.12 AU - 9.66 AU

Year: 18876 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,642,506 km

• M1: 89,609 km (0.1 R)
• M2: 348,563 km (0.093 R)
• M3: 685,009 km (0.111 R)
• M4: 1,056,161 km (0.05 R)
• M5: 1,860,698 km (0.096 R)
• M6: 2,863,303 km (0.047 R)
• M7: 3,586,160 km (0.052 R)
• M8: 4,253,965 km (0.073 R)
• M9: 5,039,653 km (0.11 R)
• M10: 5,427,261 km (0.095 R)
• M11: 5,792,878 km (0.1 R)
• M12: 6,218,335 km (0.107 R)
• M13: 6,802,365 km (0.059 R)
• M14: 8,289,218 km (0.106 R)
• M15: 8,940,567 km (0.117 R)
• M16: 9,684,218 km (0.105 R)
• M17: 11,556,585 km (0.116 R)
• M18: 15,755,797 km (0.11 R)
• M19: 17,268,232 km (0.079 R)
• M20: 17,617,094 km (0.05 R)
• M21: 24,289,608 km (0.118 R)
• M22: 30,276,066 km (0.073 R)
• M23: 30,783,352 km (0.029 R)
• M24: 36,457,599 km (0.11 R)
• M25: 38,493,776 km (0.11 R)
• M26: 43,430,057 km (0.088 R)
• M27: 45,882,864 km (0.1 R)
• M28: 50,883,621 km (0.112 R)
• M29: 52,688,968 km (0.101 R)
• M30: 56,426,970 km (0.075 R)
• M31: 66,111,338 km (0.117 R)
• M32: 67,610,159 km (0.084 R)
• M33: 68,042,497 km (0.116 R)
• M34: 69,570,340 km (0.099 R)
• M35: 70,898,021 km (0.065 R)
• M36: 77,081,799 km (0.118 R)
• M37: 80,910,756 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 11,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit