🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.9

Radius: 10.2

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.03 AU - 1.29 AU

Year: 833 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,943,534 km

• M1: 126,859 km (0.069 R)
• M2: 472,430 km (0.107 R)
• M3: 844,779 km (0.054 R)
• M4: 1,176,138 km (0.097 R)
• M5: 1,556,566 km (0.11 R)
• M6: 2,406,282 km (0.108 R)
• M7: 2,953,511 km (0.068 R)
• M8: 3,413,524 km (0.099 R)
• M9: 4,233,021 km (0.109 R)
• M10: 4,629,605 km (0.081 R)
• M11: 5,478,723 km (0.091 R)
• M12: 5,810,232 km (0.098 R)
• M13: 7,204,035 km (0.101 R)
• M14: 7,578,778 km (0.097 R)
• M15: 8,040,886 km (0.07 R)
• M16: 8,599,334 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.8

Radius: 13.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.98 AU - 1.5 AU

Year: 921 Days

Day: 8.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,943,534 km

• M1: 169,195 km (0.101 R)
• M2: 650,751 km (0.095 R)
• M3: 1,189,453 km (0.082 R)
• M4: 1,655,450 km (0.034 R)
• M5: 2,152,863 km (0.084 R)
• M6: 2,675,259 km (0.099 R)
• M7: 3,101,463 km (0.113 R)
• M8: 4,165,702 km (0.108 R)
• M9: 4,648,305 km (0.066 R)
• M10: 5,873,212 km (0.089 R)
• M11: 6,345,792 km (0.097 R)
• M12: 7,197,004 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.5

Radius: 14.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.22 AU - 1.34 AU

Year: 966 Days

Day: 5.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,943,534 km

• M1: 184,305 km (0.086 R)
• M2: 713,432 km (0.114 R)
• M3: 1,429,258 km (0.059 R)
• M4: 2,515,787 km (0.052 R)
• M5: 3,148,736 km (0.066 R)
• M6: 3,962,100 km (0.069 R)
• M7: 4,468,788 km (0.108 R)
• M8: 4,965,303 km (0.06 R)
• M9: 5,750,393 km (0.094 R)
• M10: 6,880,006 km (0.088 R)
• M11: 7,521,781 km (0.096 R)
• M12: 8,584,973 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 8.3

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.34 AU - 1.56 AU

Year: 1164 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,943,534 km

• M1: 105,018 km (0.057 R)
• M2: 460,313 km (0.117 R)
• M3: 826,229 km (0.112 R)
• M4: 1,127,519 km (0.078 R)
• M5: 1,438,084 km (0.073 R)
• M6: 1,907,373 km (0.1 R)
• M7: 2,465,223 km (0.054 R)
• M8: 2,788,355 km (0.118 R)
• M9: 5,050,574 km (0.097 R)
• M10: 5,325,684 km (0.09 R)
• M11: 5,592,716 km (0.103 R)
• M12: 5,981,521 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.7

Radius: 14.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.95 AU - 2.09 AU

Year: 1915 Days

Day: 6.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,943,534 km

• M1: 180,265 km (0.085 R)
• M2: 762,650 km (0.088 R)
• M3: 1,614,161 km (0.096 R)
• M4: 2,100,504 km (0.091 R)
• M5: 5,356,801 km (0.111 R)
• M6: 6,078,161 km (0.103 R)
• M7: 6,728,164 km (0.108 R)
• M8: 8,771,222 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.6

Radius: 13.7

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.83 AU - 4.55 AU

Year: 5719 Days

Day: 14.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,943,534 km

• M1: 172,935 km (0.111 R)
• M2: 978,220 km (0.107 R)
• M3: 1,475,633 km (0.073 R)
• M4: 2,041,562 km (0.098 R)
• M5: 3,105,801 km (0.119 R)
• M6: 3,707,783 km (0.101 R)
• M7: 4,239,903 km (0.092 R)
• M8: 6,436,897 km (0.06 R)
• M9: 7,893,681 km (0.062 R)
• M10: 9,309,027 km (0.078 R)
• M11: 17,251,776 km (0.092 R)
• M12: 20,388,843 km (0.081 R)
• M13: 24,601,220 km (0.025 R)
• M14: 29,723,451 km (0.038 R)
• M15: 31,200,730 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.5

Radius: 6

Gravity: 16.29 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.52 AU - 11.04 AU

Year: 21980 Days

Day: 21.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,943,534 km

• M1: 74,799 km (0.105 R)
• M2: 372,050 km (0.081 R)
• M3: 561,291 km (0.119 R)
• M4: 796,758 km (0.08 R)
• M5: 1,275,621 km (0.119 R)
• M6: 2,431,713 km (0.069 R)
• M7: 3,513,605 km (0.067 R)
• M8: 3,781,834 km (0.06 R)
• M9: 5,529,137 km (0.116 R)
• M10: 5,892,660 km (0.056 R)
• M11: 6,578,118 km (0.058 R)
• M12: 8,575,698 km (0.114 R)
• M13: 9,007,886 km (0.088 R)
• M14: 10,574,176 km (0.119 R)
• M15: 11,779,636 km (0.111 R)
• M16: 13,215,625 km (0.063 R)
• M17: 17,351,408 km (0.08 R)
• M18: 18,931,611 km (0.096 R)
• M19: 19,295,433 km (0.025 R)
• M20: 21,675,684 km (0.056 R)
• M21: 25,546,978 km (0.095 R)
• M22: 26,667,316 km (0.104 R)
• M23: 30,101,036 km (0.055 R)
• M24: 30,596,654 km (0.116 R)
• M25: 34,623,679 km (0.077 R)
• M26: 36,412,720 km (0.072 R)
• M27: 38,844,134 km (0.056 R)
• M28: 45,635,130 km (0.045 R)
• M29: 47,281,753 km (0.07 R)
• M30: 48,119,651 km (0.108 R)
• M31: 49,998,002 km (0.037 R)
• M32: 51,394,498 km (0.082 R)
• M33: 54,814,605 km (0.103 R)
• M34: 58,191,926 km (0.087 R)
• M35: 60,912,812 km (0.113 R)
• M36: 62,705,892 km (0.106 R)
• M37: 63,920,777 km (0.117 R)
• M38: 65,357,664 km (0.116 R)
• M39: 65,772,200 km (0.109 R)
• M40: 71,102,372 km (0.107 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: 160 - 18,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit