🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.9

Radius: 9.3

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.55 AU - 0.75 AU

Year: 355 Days

Day: 12.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,487,724 km

• M1: 115,789 km (0.099 R)
• M2: 414,984 km (0.087 R)
• M3: 756,816 km (0.03 R)
• M4: 1,481,917 km (0.107 R)
• M5: 2,039,617 km (0.072 R)
• M6: 2,436,052 km (0.091 R)
• M7: 2,873,027 km (0.094 R)
• M8: 3,215,157 km (0.079 R)
• M9: 4,072,652 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.1

Radius: 10.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.69 AU - 0.83 AU

Year: 449 Days

Day: 9.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 130.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,487,724 km

• M1: 144,362 km (0.072 R)
• M2: 493,823 km (0.108 R)
• M3: 1,227,151 km (0.089 R)
• M4: 1,692,401 km (0.079 R)
• M5: 2,962,337 km (0.108 R)
• M6: 3,647,645 km (0.039 R)
• M7: 3,985,886 km (0.078 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.7

Radius: 6.9

Gravity: 18.39 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.11 AU - 6.39 AU

Year: 9352 Days

Day: 21.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,487,724 km

• M1: 85,869 km (0.109 R)
• M2: 321,336 km (0.11 R)
• M3: 579,393 km (0.104 R)
• M4: 890,107 km (0.071 R)
• M5: 1,426,715 km (0.117 R)
• M6: 2,402,841 km (0.064 R)
• M7: 2,725,823 km (0.091 R)
• M8: 3,031,750 km (0.115 R)
• M9: 3,360,567 km (0.115 R)
• M10: 3,979,603 km (0.062 R)
• M11: 4,230,329 km (0.046 R)
• M12: 4,581,285 km (0.047 R)
• M13: 6,481,777 km (0.097 R)
• M14: 7,231,262 km (0.048 R)
• M15: 8,213,970 km (0.032 R)
• M16: 12,094,539 km (0.099 R)
• M17: 13,977,827 km (0.039 R)
• M18: 14,428,715 km (0.089 R)
• M19: 14,955,898 km (0.093 R)
• M20: 17,340,188 km (0.091 R)
• M21: 23,203,228 km (0.093 R)
• M22: 23,744,324 km (0.109 R)
• M23: 24,945,445 km (0.066 R)
• M24: 25,513,318 km (0.042 R)
• M25: 32,901,957 km (0.085 R)
• M26: 33,814,654 km (0.075 R)
• M27: 34,277,211 km (0.107 R)
• M28: 35,452,003 km (0.044 R)
• M29: 38,380,830 km (0.114 R)
• M30: 38,631,855 km (0.069 R)
• M31: 39,010,637 km (0.118 R)
• M32: 43,205,810 km (0.075 R)
• M33: 43,887,378 km (0.116 R)
• M34: 44,162,039 km (0.102 R)
• M35: 49,155,317 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.3

Radius: 5

Gravity: 21.57 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.06 AU - 7.84 AU

Year: 13792 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,487,724 km

• M1: 62,233 km (0.104 R)
• M2: 219,011 km (0.112 R)
• M3: 629,657 km (0.113 R)
• M4: 1,093,112 km (0.1 R)
• M5: 2,410,770 km (0.082 R)
• M6: 2,814,385 km (0.109 R)
• M7: 3,515,700 km (0.104 R)
• M8: 4,178,867 km (0.073 R)
• M9: 5,020,654 km (0.093 R)
• M10: 5,641,186 km (0.039 R)
• M11: 6,746,415 km (0.097 R)
• M12: 7,285,865 km (0.117 R)
• M13: 7,943,497 km (0.112 R)
• M14: 12,434,575 km (0.06 R)
• M15: 13,694,039 km (0.108 R)
• M16: 14,220,923 km (0.107 R)
• M17: 14,760,971 km (0.074 R)
• M18: 19,093,625 km (0.086 R)
• M19: 20,253,308 km (0.084 R)
• M20: 20,678,764 km (0.106 R)
• M21: 21,459,366 km (0.111 R)
• M22: 21,901,427 km (0.1 R)
• M23: 22,259,415 km (0.119 R)
• M24: 22,712,398 km (0.068 R)
• M25: 31,610,329 km (0.072 R)
• M26: 33,940,615 km (0.079 R)
• M27: 41,205,238 km (0.095 R)
• M28: 42,025,333 km (0.038 R)
• M29: 43,275,822 km (0.12 R)
• M30: 43,981,026 km (0.105 R)
• M31: 54,022,334 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.2

Radius: 3

Gravity: 52.58 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.81 AU - 8.37 AU

Year: 14183 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,487,724 km

• M1: 37,549 km (0.111 R)
• M2: 146,756 km (0.111 R)
• M3: 314,006 km (0.108 R)
• M4: 1,223,262 km (0.047 R)
• M5: 1,553,873 km (0.057 R)
• M6: 1,772,436 km (0.088 R)
• M7: 1,872,217 km (0.081 R)
• M8: 2,028,846 km (0.114 R)
• M9: 2,309,342 km (0.085 R)
• M10: 3,587,955 km (0.116 R)
• M11: 4,054,252 km (0.109 R)
• M12: 4,169,442 km (0.111 R)
• M13: 4,684,209 km (0.119 R)
• M14: 5,657,791 km (0.094 R)
• M15: 6,961,986 km (0.095 R)
• M16: 8,689,841 km (0.037 R)
• M17: 11,239,737 km (0.114 R)
• M18: 12,289,315 km (0.042 R)
• M19: 13,338,894 km (0.106 R)
• M20: 14,648,474 km (0.112 R)
• M21: 17,368,163 km (0.108 R)
• M22: 17,749,339 km (0.118 R)
• M23: 18,686,868 km (0.105 R)
• M24: 20,070,798 km (0.114 R)
• M25: 21,521,598 km (0.114 R)
• M26: 22,949,361 km (0.115 R)
• M27: 25,014,110 km (0.11 R)
• M28: 30,710,199 km (0.077 R)
• M29: 33,211,326 km (0.113 R)
• M30: 35,234,637 km (0.115 R)
• M31: 35,722,326 km (0.106 R)
• M32: 35,967,816 km (0.104 R)
• M33: 46,299,943 km (0.045 R)
• M34: 47,326,782 km (0.078 R)
• M35: 48,069,536 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 11,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit