🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 9.7

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.77 AU - 1.09 AU

Year: 579 Days

Day: 10.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,026,303 km

• M1: 120,725 km (0.078 R)
• M2: 540,647 km (0.047 R)
• M3: 988,842 km (0.058 R)
• M4: 1,420,432 km (0.093 R)
• M5: 1,752,689 km (0.107 R)
• M6: 2,111,275 km (0.12 R)
• M7: 2,700,242 km (0.082 R)
• M8: 3,067,804 km (0.032 R)
• M9: 3,631,040 km (0.099 R)
• M10: 4,052,906 km (0.111 R)
• M11: 4,536,705 km (0.108 R)
• M12: 4,979,515 km (0.069 R)
• M13: 5,417,537 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.8

Radius: 10.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.12 AU - 1.18 AU

Year: 796 Days

Day: 9.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,026,303 km

• M1: 133,142 km (0.111 R)
• M2: 658,530 km (0.111 R)
• M3: 1,008,888 km (0.116 R)
• M4: 1,495,380 km (0.092 R)
• M5: 2,212,403 km (0.114 R)
• M6: 2,705,777 km (0.069 R)
• M7: 3,468,277 km (0.109 R)
• M8: 4,062,181 km (0.032 R)
• M9: 4,494,967 km (0.104 R)
• M10: 5,490,242 km (0.096 R)
• M11: 5,865,583 km (0.116 R)
• M12: 6,419,993 km (0.086 R)
• M13: 6,965,726 km (0.083 R)
• M14: 7,519,537 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 8.9

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.21 AU - 1.79 AU

Year: 1186 Days

Day: 13 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,026,303 km

• M1: 110,702 km (0.095 R)
• M2: 411,693 km (0.109 R)
• M3: 795,561 km (0.078 R)
• M4: 1,075,758 km (0.12 R)
• M5: 1,464,862 km (0.05 R)
• M6: 2,398,353 km (0.111 R)
• M7: 2,798,228 km (0.029 R)
• M8: 3,512,259 km (0.116 R)
• M9: 3,895,828 km (0.104 R)
• M10: 4,468,788 km (0.085 R)
• M11: 6,001,867 km (0.058 R)
• M12: 6,318,715 km (0.059 R)
• M13: 7,260,433 km (0.106 R)
• M14: 7,594,336 km (0.1 R)
• M15: 7,992,416 km (0.114 R)
• M16: 9,240,660 km (0.088 R)
• M17: 10,451,655 km (0.098 R)
• M18: 11,112,279 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.3

Radius: 10.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.75 AU - 3.93 AU

Year: 3941 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,026,303 km

• M1: 129,402 km (0.088 R)
• M2: 478,863 km (0.056 R)
• M3: 1,082,789 km (0.116 R)
• M4: 1,495,829 km (0.107 R)
• M5: 2,477,191 km (0.087 R)
• M6: 2,994,201 km (0.079 R)
• M7: 4,514,116 km (0.119 R)
• M8: 5,680,231 km (0.118 R)
• M9: 6,406,230 km (0.088 R)
• M10: 7,874,084 km (0.106 R)
• M11: 9,478,371 km (0.08 R)
• M12: 10,377,754 km (0.07 R)
• M13: 11,461,890 km (0.049 R)
• M14: 11,942,548 km (0.042 R)
• M15: 14,249,347 km (0.09 R)
• M16: 14,754,240 km (0.088 R)
• M17: 17,403,019 km (0.088 R)
• M18: 18,038,511 km (0.059 R)
• M19: 18,689,412 km (0.105 R)
• M20: 19,602,108 km (0.055 R)
• M21: 20,101,017 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.1

Radius: 8.1

Gravity: 14.95 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.35 AU - 3.89 AU

Year: 4447 Days

Day: 9.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,026,303 km

• M1: 100,679 km (0.059 R)
• M2: 502,798 km (0.099 R)
• M3: 782,247 km (0.087 R)
• M4: 1,703,022 km (0.109 R)
• M5: 1,962,126 km (0.092 R)
• M6: 2,791,945 km (0.073 R)
• M7: 7,543,024 km (0.118 R)
• M8: 9,122,029 km (0.099 R)
• M9: 11,379,012 km (0.107 R)
• M10: 11,715,458 km (0.108 R)
• M11: 12,307,566 km (0.101 R)
• M12: 12,560,088 km (0.045 R)
• M13: 13,766,744 km (0.114 R)
• M14: 15,106,393 km (0.074 R)
• M15: 15,807,857 km (0.064 R)
• M16: 17,784,494 km (0.116 R)
• M17: 18,303,299 km (0.083 R)
• M18: 20,978,109 km (0.088 R)
• M19: 21,266,534 km (0.106 R)
• M20: 23,359,109 km (0.072 R)
• M21: 23,746,717 km (0.099 R)
• M22: 24,855,088 km (0.113 R)
• M23: 27,949,370 km (0.062 R)
• M24: 28,650,685 km (0.109 R)
• M25: 29,724,648 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949

Radius: 6.4

Gravity: 23.17 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.78 AU - 8.62 AU

Year: 15161 Days

Day: 15.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,026,303 km

• M1: 82,578 km (0.048 R)
• M2: 341,831 km (0.118 R)
• M3: 936,632 km (0.05 R)
• M4: 1,435,541 km (0.055 R)
• M5: 1,762,263 km (0.059 R)
• M6: 2,344,797 km (0.117 R)
• M7: 3,022,775 km (0.109 R)
• M8: 4,068,164 km (0.104 R)
• M9: 4,655,785 km (0.053 R)
• M10: 5,005,844 km (0.105 R)
• M11: 5,602,291 km (0.043 R)
• M12: 5,958,184 km (0.092 R)
• M13: 8,990,832 km (0.074 R)
• M14: 9,259,809 km (0.114 R)
• M15: 9,645,323 km (0.088 R)
• M16: 9,927,165 km (0.107 R)
• M17: 11,608,496 km (0.093 R)
• M18: 14,546,747 km (0.101 R)
• M19: 14,768,451 km (0.073 R)
• M20: 17,112,500 km (0.094 R)
• M21: 18,718,882 km (0.105 R)
• M22: 19,246,364 km (0.102 R)
• M23: 20,794,852 km (0.108 R)
• M24: 22,621,741 km (0.061 R)
• M25: 24,240,839 km (0.083 R)
• M26: 26,812,127 km (0.109 R)
• M27: 38,918,484 km (0.112 R)
• M28: 40,066,349 km (0.075 R)
• M29: 46,305,478 km (0.084 R)
• M30: 49,571,050 km (0.068 R)
• M31: 57,473,557 km (0.091 R)
• M32: 57,843,064 km (0.084 R)
• M33: 61,239,983 km (0.075 R)
• M34: 69,678,649 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.3

Radius: 5.6

Gravity: 15.73 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10.19 AU - 11.51 AU

Year: 23076 Days

Day: 21.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,026,303 km

• M1: 74,051 km (0.071 R)
• M2: 288,873 km (0.115 R)
• M3: 1,118,842 km (0.111 R)
• M4: 1,786,647 km (0.091 R)
• M5: 1,993,990 km (0.091 R)
• M6: 4,182,607 km (0.077 R)
• M7: 7,413,322 km (0.104 R)
• M8: 8,515,709 km (0.091 R)
• M9: 10,978,240 km (0.028 R)
• M10: 15,542,620 km (0.076 R)
• M11: 15,779,434 km (0.1 R)
• M12: 19,811,396 km (0.07 R)
• M13: 22,816,368 km (0.088 R)
• M14: 24,800,784 km (0.038 R)
• M15: 25,341,580 km (0.095 R)
• M16: 27,468,263 km (0.107 R)
• M17: 30,443,915 km (0.057 R)
• M18: 31,439,638 km (0.097 R)
• M19: 42,928,904 km (0.071 R)
• M20: 58,057,587 km (0.033 R)
• M21: 62,725,639 km (0.073 R)
• M22: 64,946,420 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 13,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit