🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 9.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.01 AU - 1.25 AU

Year: 776 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,010,512 km

• M1: 120,576 km (0.09 R)
• M2: 488,287 km (0.089 R)
• M3: 815,757 km (0.101 R)
• M4: 1,253,181 km (0.062 R)
• M5: 1,765,853 km (0.06 R)
• M6: 2,346,891 km (0.116 R)
• M7: 2,651,921 km (0.118 R)
• M8: 3,342,914 km (0.101 R)
• M9: 3,862,767 km (0.099 R)
• M10: 4,377,383 km (0.106 R)
• M11: 4,735,221 km (0.119 R)
• M12: 5,408,861 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 15

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.98 AU - 3.64 AU

Year: 3888 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,010,512 km

• M1: 186,698 km (0.053 R)
• M2: 1,105,977 km (0.07 R)
• M3: 1,903,184 km (0.057 R)
• M4: 2,604,349 km (0.079 R)
• M5: 3,191,371 km (0.072 R)
• M6: 3,959,856 km (0.107 R)
• M7: 4,699,168 km (0.119 R)
• M8: 5,295,615 km (0.085 R)
• M9: 5,917,643 km (0.107 R)
• M10: 6,750,155 km (0.084 R)
• M11: 8,051,657 km (0.082 R)
• M12: 8,552,809 km (0.077 R)
• M13: 9,208,796 km (0.11 R)
• M14: 10,547,697 km (0.03 R)
• M15: 12,420,214 km (0.034 R)
• M16: 13,091,160 km (0.099 R)
• M17: 16,216,708 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.2

Radius: 14.9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.78 AU - 4.72 AU

Year: 5657 Days

Day: 10.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,010,512 km

• M1: 186,549 km (0.109 R)
• M2: 715,078 km (0.115 R)
• M3: 1,179,430 km (0.077 R)
• M4: 1,791,734 km (0.109 R)
• M5: 2,399,550 km (0.082 R)
• M6: 3,879,222 km (0.101 R)
• M7: 4,373,643 km (0.055 R)
• M8: 5,636,249 km (0.081 R)
• M9: 6,959,592 km (0.056 R)
• M10: 7,803,923 km (0.108 R)
• M11: 8,442,705 km (0.043 R)
• M12: 10,616,063 km (0.114 R)
• M13: 11,354,329 km (0.052 R)
• M14: 11,930,131 km (0.047 R)
• M15: 13,193,036 km (0.072 R)
• M16: 15,223,079 km (0.057 R)
• M17: 19,080,311 km (0.072 R)
• M18: 21,962,763 km (0.071 R)
• M19: 29,108,903 km (0.117 R)
• M20: 31,297,670 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 9.9

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.41 AU - 5.21 AU

Year: 5777 Days

Day: 14 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,010,512 km

• M1: 125,064 km (0.12 R)
• M2: 474,824 km (0.106 R)
• M3: 1,563,896 km (0.074 R)
• M4: 1,964,669 km (0.116 R)
• M5: 3,093,534 km (0.112 R)
• M6: 3,753,859 km (0.067 R)
• M7: 6,669,372 km (0.064 R)
• M8: 7,081,963 km (0.111 R)
• M9: 8,541,889 km (0.074 R)
• M10: 9,153,744 km (0.115 R)
• M11: 9,838,304 km (0.046 R)
• M12: 11,405,940 km (0.097 R)
• M13: 13,618,792 km (0.057 R)
• M14: 14,004,455 km (0.027 R)
• M15: 14,797,473 km (0.106 R)
• M16: 18,072,620 km (0.087 R)
• M17: 18,740,724 km (0.109 R)
• M18: 23,412,216 km (0.089 R)
• M19: 26,781,460 km (0.091 R)
• M20: 29,259,698 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.9

Radius: 8

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.19 AU - 7.07 AU

Year: 11023 Days

Day: 21.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,010,512 km

• M1: 101,128 km (0.06 R)
• M2: 536,159 km (0.114 R)
• M3: 1,062,893 km (0.046 R)
• M4: 1,654,403 km (0.093 R)
• M5: 2,359,308 km (0.079 R)
• M6: 3,569,256 km (0.118 R)
• M7: 3,883,860 km (0.106 R)
• M8: 4,485,842 km (0.103 R)
• M9: 5,362,635 km (0.075 R)
• M10: 6,176,896 km (0.09 R)
• M11: 7,374,577 km (0.056 R)
• M12: 8,213,372 km (0.1 R)
• M13: 8,634,340 km (0.098 R)
• M14: 9,383,078 km (0.043 R)
• M15: 9,937,188 km (0.105 R)
• M16: 10,561,909 km (0.058 R)
• M17: 12,319,534 km (0.117 R)
• M18: 14,024,950 km (0.084 R)
• M19: 17,004,341 km (0.098 R)
• M20: 17,619,488 km (0.047 R)
• M21: 23,586,348 km (0.102 R)
• M22: 26,200,122 km (0.089 R)
• M23: 27,112,669 km (0.094 R)
• M24: 29,001,043 km (0.095 R)
• M25: 29,977,469 km (0.115 R)
• M26: 32,513,900 km (0.042 R)
• M27: 33,567,369 km (0.118 R)
• M28: 34,534,818 km (0.065 R)
• M29: 35,189,907 km (0.114 R)
• M30: 38,357,642 km (0.065 R)
• M31: 39,771,492 km (0.12 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: 393 - 16,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit