🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.4

Radius: 12.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.57 AU - 0.89 AU

Year: 423 Days

Day: 5.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,978,753 km

• M1: 155,432 km (0.093 R)
• M2: 600,037 km (0.117 R)
• M3: 1,373,159 km (0.069 R)
• M4: 1,786,647 km (0.082 R)
• M5: 2,342,403 km (0.11 R)
• M6: 2,903,395 km (0.091 R)
• M7: 3,452,868 km (0.106 R)
• M8: 3,936,818 km (0.106 R)
• M9: 4,532,217 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.9

Radius: 12.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.61 AU - 0.87 AU

Year: 432 Days

Day: 8.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,978,753 km

• M1: 157,975 km (0.116 R)
• M2: 673,340 km (0.111 R)
• M3: 1,388,119 km (0.05 R)
• M4: 2,349,734 km (0.067 R)
• M5: 2,826,502 km (0.047 R)
• M6: 3,501,338 km (0.096 R)
• M7: 4,482,551 km (0.077 R)
• M8: 5,238,768 km (0.081 R)
• M9: 5,970,750 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.3

Radius: 10.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.87 AU - 1.21 AU

Year: 719 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,978,753 km

• M1: 126,859 km (0.059 R)
• M2: 455,376 km (0.087 R)
• M3: 864,825 km (0.073 R)
• M4: 1,455,138 km (0.11 R)
• M5: 1,795,773 km (0.116 R)
• M6: 2,734,051 km (0.079 R)
• M7: 3,088,598 km (0.083 R)
• M8: 3,522,731 km (0.084 R)
• M9: 4,327,866 km (0.08 R)
• M10: 5,513,878 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.2

Radius: 9.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.44 AU - 2.46 AU

Year: 2601 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,978,753 km

• M1: 122,221 km (0.031 R)
• M2: 473,627 km (0.08 R)
• M3: 803,191 km (0.084 R)
• M4: 1,441,076 km (0.109 R)
• M5: 1,905,428 km (0.058 R)
• M6: 2,336,569 km (0.114 R)
• M7: 2,981,934 km (0.07 R)
• M8: 3,480,843 km (0.083 R)
• M9: 3,904,654 km (0.108 R)
• M10: 4,920,723 km (0.097 R)
• M11: 5,363,981 km (0.084 R)
• M12: 5,931,107 km (0.113 R)
• M13: 6,964,678 km (0.1 R)
• M14: 7,381,907 km (0.031 R)
• M15: 7,698,306 km (0.109 R)
• M16: 10,858,711 km (0.067 R)
• M17: 12,480,202 km (0.094 R)
• M18: 13,733,234 km (0.118 R)
• M19: 15,114,172 km (0.114 R)
• M20: 15,485,175 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 14.4

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.08 AU - 5.1 AU

Year: 5610 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,978,753 km

• M1: 198,516 km (0.101 R)
• M2: 782,098 km (0.102 R)
• M3: 1,627,326 km (0.119 R)
• M4: 2,435,304 km (0.035 R)
• M5: 3,101,762 km (0.069 R)
• M6: 3,782,732 km (0.069 R)
• M7: 8,869,957 km (0.115 R)
• M8: 12,553,505 km (0.105 R)
• M9: 14,340,003 km (0.09 R)
• M10: 16,978,610 km (0.118 R)
• M11: 18,046,739 km (0.104 R)
• M12: 18,783,509 km (0.039 R)
• M13: 20,317,186 km (0.077 R)
• M14: 23,199,787 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.3

Radius: 9

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.37 AU - 4.89 AU

Year: 6757 Days

Day: 13.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,978,753 km

• M1: 113,844 km (0.073 R)
• M2: 465,997 km (0.081 R)
• M3: 771,476 km (0.095 R)
• M4: 1,478,625 km (0.071 R)
• M5: 1,765,704 km (0.102 R)
• M6: 2,741,381 km (0.1 R)
• M7: 3,937,865 km (0.065 R)
• M8: 5,451,496 km (0.102 R)
• M9: 5,841,946 km (0.076 R)
• M10: 6,251,097 km (0.115 R)
• M11: 6,715,897 km (0.068 R)
• M12: 7,050,996 km (0.094 R)
• M13: 8,291,612 km (0.112 R)
• M14: 8,853,052 km (0.072 R)
• M15: 10,343,346 km (0.117 R)
• M16: 12,211,973 km (0.116 R)
• M17: 13,753,579 km (0.094 R)
• M18: 17,219,014 km (0.089 R)
• M19: 20,989,180 km (0.072 R)
• M20: 21,626,616 km (0.118 R)
• M21: 23,616,417 km (0.096 R)
• M22: 24,743,787 km (0.032 R)
• M23: 27,199,137 km (0.109 R)
• M24: 28,437,508 km (0.095 R)
• M25: 29,712,830 km (0.1 R)
• M26: 31,853,127 km (0.083 R)
• M27: 34,094,103 km (0.083 R)
• M28: 40,826,157 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531

Radius: 4.6

Gravity: 25.09 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.57 AU - 8.63 AU

Year: 17106 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,978,753 km

• M1: 104,569 km (0.075 R)
• M2: 350,209 km (0.089 R)
• M3: 509,530 km (0.092 R)
• M4: 832,811 km (0.113 R)
• M5: 1,016,966 km (0.086 R)
• M6: 1,337,405 km (0.087 R)
• M7: 1,544,598 km (0.071 R)
• M8: 1,824,944 km (0.113 R)
• M9: 2,119,054 km (0.111 R)
• M10: 2,338,963 km (0.116 R)
• M11: 2,708,918 km (0.077 R)
• M12: 3,116,872 km (0.118 R)
• M13: 3,537,242 km (0.049 R)
• M14: 3,761,040 km (0.051 R)
• M15: 4,299,293 km (0.07 R)
• M16: 5,094,855 km (0.11 R)
• M17: 5,714,788 km (0.056 R)
• M18: 6,506,909 km (0.08 R)
• M19: 7,505,325 km (0.117 R)
• M20: 7,969,677 km (0.043 R)
• M21: 8,904,514 km (0.078 R)
• M22: 9,110,211 km (0.055 R)
• M23: 9,638,441 km (0.11 R)
• M24: 11,048,102 km (0.102 R)
• M25: 16,092,093 km (0.117 R)
• M26: 16,397,572 km (0.091 R)
• M27: 17,098,887 km (0.059 R)
• M28: 17,819,949 km (0.065 R)
• M29: 21,824,833 km (0.052 R)
• M30: 22,482,466 km (0.11 R)
• M31: 24,434,269 km (0.072 R)
• M32: 28,006,666 km (0.056 R)
• M33: 28,559,729 km (0.087 R)
• M34: 30,494,628 km (0.091 R)
• M35: 33,994,171 km (0.093 R)
• M36: 38,021,047 km (0.055 R)
• M37: 52,485,815 km (0.09 R)
• M38: 54,346,064 km (0.032 R)
• M39: 56,249,697 km (0.094 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 15,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit