🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.5

Radius: 10.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.02 AU - 1.22 AU

Year: 765 Days

Day: 8.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,580,678 km

• M1: 129,402 km (0.061 R)
• M2: 605,123 km (0.112 R)
• M3: 1,016,667 km (0.054 R)
• M4: 1,375,702 km (0.079 R)
• M5: 1,712,148 km (0.04 R)
• M6: 2,052,034 km (0.109 R)
• M7: 2,546,006 km (0.098 R)
• M8: 3,106,699 km (0.112 R)
• M9: 4,003,538 km (0.116 R)
• M10: 4,357,786 km (0.047 R)
• M11: 4,686,752 km (0.113 R)
• M12: 5,294,269 km (0.119 R)
• M13: 5,881,739 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.9

Radius: 14.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.66 AU - 2.76 AU

Year: 2121 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,580,678 km

• M1: 177,872 km (0.117 R)
• M2: 684,111 km (0.105 R)
• M3: 1,415,645 km (0.12 R)
• M4: 2,010,895 km (0.07 R)
• M5: 2,786,410 km (0.105 R)
• M6: 3,467,080 km (0.117 R)
• M7: 4,097,486 km (0.118 R)
• M8: 4,738,363 km (0.08 R)
• M9: 5,350,368 km (0.114 R)
• M10: 5,989,151 km (0.108 R)
• M11: 6,569,142 km (0.07 R)
• M12: 7,629,491 km (0.102 R)
• M13: 8,185,098 km (0.115 R)
• M14: 10,346,338 km (0.086 R)
• M15: 10,874,120 km (0.076 R)
• M16: 12,356,485 km (0.096 R)
• M17: 13,081,137 km (0.082 R)
• M18: 13,565,086 km (0.077 R)
• M19: 14,945,874 km (0.109 R)
• M20: 15,818,180 km (0.091 R)
• M21: 16,367,802 km (0.056 R)
• M22: 17,717,923 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.8

Radius: 10.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.81 AU - 4.29 AU

Year: 4319 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,580,678 km

• M1: 130,898 km (0.043 R)
• M2: 493,823 km (0.107 R)
• M3: 923,019 km (0.085 R)
• M4: 1,405,322 km (0.085 R)
• M5: 1,734,887 km (0.076 R)
• M6: 2,540,471 km (0.088 R)
• M7: 2,870,035 km (0.067 R)
• M8: 3,282,028 km (0.062 R)
• M9: 4,443,655 km (0.101 R)
• M10: 7,182,643 km (0.04 R)
• M11: 9,229,740 km (0.115 R)
• M12: 13,242,404 km (0.112 R)
• M13: 13,856,204 km (0.119 R)
• M14: 14,390,268 km (0.101 R)
• M15: 15,707,328 km (0.11 R)
• M16: 18,463,220 km (0.064 R)
• M17: 19,772,351 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.7

Radius: 10.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.77 AU - 5.05 AU

Year: 5980 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,580,678 km

• M1: 125,662 km (0.101 R)
• M2: 548,725 km (0.115 R)
• M3: 1,282,652 km (0.087 R)
• M4: 2,681,093 km (0.115 R)
• M5: 3,249,266 km (0.039 R)
• M6: 3,721,097 km (0.092 R)
• M7: 4,502,298 km (0.049 R)
• M8: 5,361,438 km (0.071 R)
• M9: 7,064,460 km (0.105 R)
• M10: 7,471,815 km (0.073 R)
• M11: 8,446,146 km (0.078 R)
• M12: 9,101,684 km (0.098 R)
• M13: 11,091,485 km (0.117 R)
• M14: 12,115,932 km (0.069 R)
• M15: 13,665,017 km (0.092 R)
• M16: 20,161,903 km (0.106 R)
• M17: 22,257,171 km (0.088 R)
• M18: 24,186,984 km (0.088 R)
• M19: 25,507,634 km (0.104 R)
• M20: 26,712,345 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 10.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.4 AU - 5.1 AU

Year: 6684 Days

Day: 10.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,580,678 km

• M1: 128,654 km (0.086 R)
• M2: 1,193,342 km (0.047 R)
• M3: 1,594,414 km (0.116 R)
• M4: 2,791,945 km (0.054 R)
• M5: 3,127,643 km (0.097 R)
• M6: 3,450,774 km (0.086 R)
• M7: 7,524,773 km (0.087 R)
• M8: 13,132,748 km (0.097 R)
• M9: 14,340,153 km (0.053 R)
• M10: 15,077,969 km (0.086 R)
• M11: 22,334,065 km (0.051 R)
• M12: 24,791,210 km (0.119 R)
• M13: 25,318,692 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 15

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.76 AU - 5.48 AU

Year: 7480 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,580,678 km

• M1: 186,698 km (0.067 R)
• M2: 716,574 km (0.088 R)
• M3: 1,253,780 km (0.112 R)
• M4: 1,945,371 km (0.109 R)
• M5: 2,634,419 km (0.067 R)
• M6: 3,437,759 km (0.077 R)
• M7: 5,167,260 km (0.081 R)
• M8: 7,043,517 km (0.063 R)
• M9: 7,773,405 km (0.084 R)
• M10: 8,426,848 km (0.108 R)
• M11: 9,116,793 km (0.111 R)
• M12: 9,658,787 km (0.098 R)
• M13: 10,758,181 km (0.058 R)
• M14: 11,992,513 km (0.061 R)
• M15: 13,205,303 km (0.091 R)
• M16: 14,018,816 km (0.079 R)
• M17: 16,594,443 km (0.089 R)
• M18: 18,099,697 km (0.065 R)
• M19: 20,756,854 km (0.108 R)
• M20: 28,712,020 km (0.053 R)
• M21: 30,475,929 km (0.096 R)
• M22: 31,897,108 km (0.109 R)
• M23: 38,375,145 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.8

Radius: 5.3

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 10.77 AU - 11.49 AU

Year: 23975 Days

Day: 22.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,580,678 km

• M1: 93,349 km (0.102 R)
• M2: 750,233 km (0.103 R)
• M3: 1,378,245 km (0.111 R)
• M4: 1,989,203 km (0.102 R)
• M5: 2,487,214 km (0.034 R)
• M6: 2,721,335 km (0.071 R)
• M7: 3,234,007 km (0.063 R)
• M8: 3,976,611 km (0.061 R)
• M9: 4,178,867 km (0.056 R)
• M10: 5,940,681 km (0.108 R)
• M11: 6,360,153 km (0.104 R)
• M12: 6,637,209 km (0.099 R)
• M13: 7,648,790 km (0.097 R)
• M14: 8,566,872 km (0.083 R)
• M15: 10,841,507 km (0.088 R)
• M16: 11,997,300 km (0.076 R)
• M17: 14,482,719 km (0.105 R)
• M18: 15,171,318 km (0.119 R)
• M19: 16,244,833 km (0.052 R)
• M20: 16,912,638 km (0.106 R)
• M21: 22,108,920 km (0.072 R)
• M22: 25,115,089 km (0.105 R)
• M23: 26,107,820 km (0.038 R)
• M24: 27,645,238 km (0.025 R)
• M25: 30,229,242 km (0.06 R)
• M26: 31,808,546 km (0.109 R)
• M27: 33,087,459 km (0.082 R)
• M28: 33,442,006 km (0.062 R)
• M29: 36,622,606 km (0.059 R)
• M30: 39,865,439 km (0.113 R)
• M31: 40,536,236 km (0.108 R)
• M32: 47,662,929 km (0.114 R)
• M33: 48,722,830 km (0.093 R)
• M34: 51,046,833 km (0.08 R)
• M35: 52,636,460 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 20,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit