🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 13.2

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.93 AU - 2.37 AU

Year: 2004 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,784,738 km

• M1: 164,109 km (0.078 R)
• M2: 600,187 km (0.079 R)
• M3: 1,246,150 km (0.078 R)
• M4: 2,108,732 km (0.111 R)
• M5: 2,687,526 km (0.052 R)
• M6: 3,371,188 km (0.087 R)
• M7: 3,807,116 km (0.091 R)
• M8: 4,434,530 km (0.12 R)
• M9: 4,855,947 km (0.109 R)
• M10: 6,611,478 km (0.117 R)
• M11: 7,190,870 km (0.114 R)
• M12: 7,689,929 km (0.114 R)
• M13: 8,882,523 km (0.111 R)
• M14: 10,612,623 km (0.046 R)
• M15: 11,187,677 km (0.113 R)
• M16: 11,859,371 km (0.095 R)
• M17: 13,951,797 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.5

Radius: 12.9

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.01 AU - 3.03 AU

Year: 2544 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,784,738 km

• M1: 160,369 km (0.025 R)
• M2: 679,922 km (0.108 R)
• M3: 1,110,465 km (0.069 R)
• M4: 1,800,111 km (0.082 R)
• M5: 2,297,973 km (0.066 R)
• M6: 3,527,368 km (0.112 R)
• M7: 3,934,424 km (0.11 R)
• M8: 4,468,488 km (0.07 R)
• M9: 6,101,648 km (0.101 R)
• M10: 13,399,481 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.2

Radius: 10.1

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.69 AU - 2.93 AU

Year: 2995 Days

Day: 6.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 102 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,784,738 km

• M1: 125,812 km (0.098 R)
• M2: 486,343 km (0.08 R)
• M3: 886,218 km (0.047 R)
• M4: 1,266,346 km (0.074 R)
• M5: 1,967,062 km (0.078 R)
• M6: 3,375,078 km (0.026 R)
• M7: 3,849,901 km (0.083 R)
• M8: 4,346,417 km (0.068 R)
• M9: 4,716,522 km (0.078 R)
• M10: 5,467,802 km (0.072 R)
• M11: 6,039,715 km (0.1 R)
• M12: 6,711,409 km (0.106 R)
• M13: 8,662,614 km (0.115 R)
• M14: 9,709,949 km (0.099 R)
• M15: 10,345,142 km (0.099 R)
• M16: 11,263,523 km (0.045 R)
• M17: 12,054,746 km (0.059 R)
• M18: 12,556,048 km (0.104 R)
• M19: 13,071,413 km (0.113 R)
• M20: 13,406,512 km (0.059 R)
• M21: 15,486,671 km (0.072 R)
• M22: 17,025,434 km (0.072 R)
• M23: 18,844,993 km (0.031 R)
• M24: 21,645,466 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.4

Radius: 11.8

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.77 AU - 3.21 AU

Year: 3287 Days

Day: 12.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,784,738 km

• M1: 147,504 km (0.03 R)
• M2: 654,491 km (0.059 R)
• M3: 1,159,832 km (0.113 R)
• M4: 1,595,910 km (0.095 R)
• M5: 3,294,145 km (0.12 R)
• M6: 3,976,162 km (0.058 R)
• M7: 5,086,926 km (0.09 R)
• M8: 6,568,543 km (0.102 R)
• M9: 7,847,306 km (0.068 R)
• M10: 8,633,892 km (0.092 R)
• M11: 9,248,589 km (0.069 R)
• M12: 9,699,776 km (0.081 R)
• M13: 11,481,637 km (0.029 R)
• M14: 11,871,489 km (0.093 R)
• M15: 19,684,237 km (0.098 R)
• M16: 22,791,086 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.3

Radius: 10.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.93 AU - 3.87 AU

Year: 3986 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,784,738 km

• M1: 130,749 km (0.057 R)
• M2: 874,699 km (0.118 R)
• M3: 1,524,701 km (0.065 R)
• M4: 2,170,067 km (0.049 R)
• M5: 3,196,607 km (0.09 R)
• M6: 3,624,906 km (0.104 R)
• M7: 4,091,352 km (0.1 R)
• M8: 4,539,398 km (0.095 R)
• M9: 5,230,091 km (0.026 R)
• M10: 8,472,475 km (0.101 R)
• M11: 9,047,230 km (0.032 R)
• M12: 10,376,108 km (0.08 R)
• M13: 11,069,794 km (0.102 R)
• M14: 12,939,169 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.8

Radius: 6.1

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.98 AU - 7.42 AU

Year: 9816 Days

Day: 19 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,784,738 km

• M1: 76,295 km (0.113 R)
• M2: 336,894 km (0.111 R)
• M3: 678,277 km (0.103 R)
• M4: 2,362,001 km (0.068 R)
• M5: 2,718,493 km (0.104 R)
• M6: 4,055,598 km (0.093 R)
• M7: 6,429,118 km (0.115 R)
• M8: 6,701,386 km (0.03 R)
• M9: 6,910,524 km (0.046 R)
• M10: 7,564,566 km (0.101 R)
• M11: 8,744,893 km (0.083 R)
• M12: 9,207,001 km (0.116 R)
• M13: 11,366,446 km (0.111 R)
• M14: 12,908,800 km (0.059 R)
• M15: 18,637,651 km (0.094 R)
• M16: 19,331,934 km (0.04 R)
• M17: 22,127,769 km (0.095 R)
• M18: 26,548,087 km (0.103 R)
• M19: 29,241,148 km (0.088 R)
• M20: 31,425,277 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.6

Radius: 8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.53 AU - 9.07 AU

Year: 12541 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,784,738 km

• M1: 146,008 km (0.101 R)
• M2: 644,617 km (0.108 R)
• M3: 1,003,652 km (0.089 R)
• M4: 3,296,389 km (0.106 R)
• M5: 5,321,795 km (0.077 R)
• M6: 5,742,314 km (0.103 R)
• M7: 6,947,924 km (0.1 R)
• M8: 8,356,537 km (0.099 R)
• M9: 12,273,907 km (0.108 R)
• M10: 12,836,544 km (0.101 R)
• M11: 13,240,608 km (0.061 R)
• M12: 13,653,050 km (0.097 R)
• M13: 18,262,010 km (0.109 R)
• M14: 22,958,785 km (0.091 R)
• M15: 26,874,809 km (0.059 R)
• M16: 30,291,026 km (0.081 R)
• M17: 33,658,324 km (0.118 R)
• M18: 38,564,985 km (0.085 R)
• M19: 41,877,680 km (0.095 R)

Asteroid Belt

Center: 7.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.3

Radius: 5.2

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.87 AU - 8.17 AU

Year: 14441 Days

Day: 18.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,784,738 km

• M1: 76,295 km (0.1 R)
• M2: 308,321 km (0.102 R)
• M3: 891,603 km (0.034 R)
• M4: 1,516,025 km (0.059 R)
• M5: 1,879,996 km (0.107 R)
• M6: 2,532,542 km (0.063 R)
• M7: 4,047,370 km (0.057 R)
• M8: 4,900,228 km (0.084 R)
• M9: 5,319,102 km (0.108 R)
• M10: 7,236,199 km (0.059 R)
• M11: 9,423,768 km (0.119 R)
• M12: 10,800,069 km (0.113 R)
• M13: 11,732,363 km (0.101 R)
• M14: 19,807,207 km (0.073 R)
• M15: 20,210,074 km (0.061 R)
• M16: 24,360,218 km (0.093 R)
• M17: 29,879,332 km (0.088 R)
• M18: 33,720,856 km (0.089 R)
• M19: 37,387,201 km (0.058 R)
• M20: 38,002,347 km (0.062 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: 376 - 11,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit