🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.6

Radius: 13.3

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.58 AU - 0.58 AU

Year: 295 Days

Day: 10.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,751,956 km

• M1: 165,455 km (0.108 R)
• M2: 633,397 km (0.06 R)
• M3: 1,324,988 km (0.079 R)
• M4: 1,883,138 km (0.092 R)
• M5: 2,705,777 km (0.094 R)
• M6: 3,343,213 km (0.098 R)
• M7: 3,802,927 km (0.048 R)
• M8: 4,395,036 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.6

Radius: 10.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.58 AU - 0.58 AU

Year: 295 Days

Day: 9.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,751,956 km

• M1: 134,788 km (0.065 R)
• M2: 511,326 km (0.12 R)
• M3: 915,240 km (0.081 R)
• M4: 1,295,518 km (0.096 R)
• M5: 1,762,861 km (0.11 R)
• M6: 2,230,205 km (0.072 R)
• M7: 2,609,884 km (0.116 R)
• M8: 3,230,865 km (0.054 R)
• M9: 3,810,108 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 10.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.57 AU - 0.77 AU

Year: 366 Days

Day: 7.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 57.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,751,956 km

• M1: 135,984 km (0.036 R)
• M2: 532,269 km (0.09 R)
• M3: 896,390 km (0.111 R)
• M4: 1,242,710 km (0.098 R)
• M5: 1,729,351 km (0.108 R)
• M6: 2,114,267 km (0.053 R)
• M7: 2,510,701 km (0.11 R)
• M8: 2,987,769 km (0.055 R)
• M9: 3,689,532 km (0.06 R)
• M10: 4,511,722 km (0.083 R)
• M11: 5,055,062 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.6

Radius: 13.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.79 AU - 0.79 AU

Year: 468 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,751,956 km

• M1: 166,802 km (0.068 R)
• M2: 713,283 km (0.042 R)
• M3: 1,188,854 km (0.112 R)
• M4: 1,661,284 km (0.049 R)
• M5: 2,123,542 km (0.098 R)
• M6: 2,804,810 km (0.067 R)
• M7: 3,261,533 km (0.094 R)
• M8: 4,147,900 km (0.119 R)
• M9: 4,566,625 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.8

Radius: 9.8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.16 AU - 1.36 AU

Year: 943 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,751,956 km

• M1: 121,922 km (0.115 R)
• M2: 463,155 km (0.101 R)
• M3: 801,545 km (0.056 R)
• M4: 1,135,747 km (0.063 R)
• M5: 1,500,018 km (0.056 R)
• M6: 2,172,460 km (0.068 R)
• M7: 3,761,489 km (0.047 R)
• M8: 4,109,005 km (0.118 R)
• M9: 5,164,567 km (0.101 R)
• M10: 5,791,981 km (0.086 R)
• M11: 6,162,086 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 13.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.87 AU - 2.37 AU

Year: 2058 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,751,956 km

• M1: 162,912 km (0.049 R)
• M2: 759,658 km (0.113 R)
• M3: 1,227,451 km (0.048 R)
• M4: 1,659,340 km (0.117 R)
• M5: 2,124,439 km (0.076 R)
• M6: 3,535,746 km (0.066 R)
• M7: 4,531,170 km (0.114 R)
• M8: 5,213,187 km (0.076 R)
• M9: 5,659,138 km (0.108 R)
• M10: 6,179,290 km (0.038 R)
• M11: 6,835,127 km (0.087 R)
• M12: 7,733,911 km (0.106 R)
• M13: 8,496,261 km (0.053 R)
• M14: 9,833,218 km (0.079 R)
• M15: 11,416,562 km (0.095 R)
• M16: 13,450,943 km (0.113 R)
• M17: 13,910,657 km (0.111 R)
• M18: 14,337,460 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.2

Radius: 4.4

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.82 AU - 11.32 AU

Year: 22916 Days

Day: 24.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,751,956 km

• M1: 54,902 km (0.101 R)
• M2: 205,697 km (0.093 R)
• M3: 503,546 km (0.068 R)
• M4: 688,300 km (0.095 R)
• M5: 1,399,189 km (0.041 R)
• M6: 3,076,331 km (0.113 R)
• M7: 3,896,576 km (0.087 R)
• M8: 4,310,962 km (0.057 R)
• M9: 7,260,583 km (0.092 R)
• M10: 7,435,912 km (0.046 R)
• M11: 7,659,261 km (0.097 R)
• M12: 9,043,042 km (0.046 R)
• M13: 11,866,402 km (0.091 R)
• M14: 12,481,399 km (0.08 R)
• M15: 15,298,028 km (0.116 R)
• M16: 15,441,791 km (0.096 R)
• M17: 16,026,121 km (0.07 R)
• M18: 17,394,343 km (0.077 R)
• M19: 21,330,562 km (0.088 R)
• M20: 28,448,728 km (0.1 R)
• M21: 32,774,949 km (0.109 R)
• M22: 35,093,865 km (0.076 R)
• M23: 37,000,041 km (0.092 R)
• M24: 40,191,712 km (0.118 R)
• M25: 44,287,253 km (0.064 R)
• M26: 51,339,895 km (0.065 R)
• M27: 52,966,024 km (0.118 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: 263 - 16,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit