🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 8.8

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.66 AU - 0.72 AU

Year: 396 Days

Day: 5.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,117,848 km

• M1: 109,506 km (0.086 R)
• M2: 476,170 km (0.042 R)
• M3: 782,247 km (0.115 R)
• M4: 1,145,920 km (0.065 R)
• M5: 1,466,807 km (0.114 R)
• M6: 1,855,612 km (0.058 R)
• M7: 2,206,718 km (0.096 R)
• M8: 2,650,725 km (0.103 R)
• M9: 3,392,730 km (0.117 R)
• M10: 3,844,366 km (0.061 R)
• M11: 4,144,908 km (0.076 R)
• M12: 4,853,105 km (0.068 R)
• M13: 5,363,084 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 8.7

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.15 AU - 2.27 AU

Year: 2268 Days

Day: 11.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,117,848 km

• M1: 108,159 km (0.05 R)
• M2: 401,072 km (0.083 R)
• M3: 1,218,175 km (0.104 R)
• M4: 2,084,946 km (0.071 R)
• M5: 2,621,403 km (0.112 R)
• M6: 3,349,197 km (0.112 R)
• M7: 3,760,591 km (0.076 R)
• M8: 4,145,357 km (0.053 R)
• M9: 5,085,131 km (0.064 R)
• M10: 8,623,120 km (0.091 R)
• M11: 10,439,687 km (0.111 R)
• M12: 11,240,934 km (0.026 R)
• M13: 12,709,087 km (0.055 R)
• M14: 13,051,816 km (0.111 R)
• M15: 13,622,233 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614

Radius: 13.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.04 AU - 2.4 AU

Year: 2283 Days

Day: 8.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,117,848 km

• M1: 172,935 km (0.066 R)
• M2: 619,485 km (0.052 R)
• M3: 1,185,563 km (0.076 R)
• M4: 2,321,011 km (0.092 R)
• M5: 3,682,202 km (0.116 R)
• M6: 5,085,729 km (0.113 R)
• M7: 6,498,532 km (0.057 R)
• M8: 7,126,244 km (0.114 R)
• M9: 8,283,085 km (0.095 R)
• M10: 9,055,159 km (0.042 R)
• M11: 10,158,593 km (0.032 R)
• M12: 12,302,929 km (0.061 R)
• M13: 13,831,819 km (0.109 R)
• M14: 15,723,634 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.1

Radius: 11.8

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.68 AU - 2.74 AU

Year: 3079 Days

Day: 13 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,117,848 km

• M1: 146,756 km (0.084 R)
• M2: 582,833 km (0.101 R)
• M3: 1,040,902 km (0.097 R)
• M4: 1,571,825 km (0.062 R)
• M5: 2,010,147 km (0.099 R)
• M6: 2,430,666 km (0.031 R)
• M7: 3,207,079 km (0.083 R)
• M8: 3,635,079 km (0.109 R)
• M9: 4,785,337 km (0.115 R)
• M10: 5,874,110 km (0.115 R)
• M11: 6,408,324 km (0.083 R)
• M12: 7,180,548 km (0.1 R)
• M13: 8,078,135 km (0.1 R)
• M14: 8,504,190 km (0.104 R)
• M15: 9,153,744 km (0.063 R)
• M16: 10,208,858 km (0.029 R)
• M17: 14,617,058 km (0.083 R)
• M18: 15,350,238 km (0.095 R)
• M19: 15,801,873 km (0.092 R)
• M20: 16,890,048 km (0.105 R)
• M21: 17,642,825 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 13.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.84 AU - 3.44 AU

Year: 3841 Days

Day: 13.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,117,848 km

• M1: 162,912 km (0.06 R)
• M2: 698,173 km (0.083 R)
• M3: 1,638,097 km (0.1 R)
• M4: 2,151,965 km (0.108 R)
• M5: 2,661,496 km (0.094 R)
• M6: 4,580,687 km (0.056 R)
• M7: 5,254,326 km (0.046 R)
• M8: 5,993,190 km (0.105 R)
• M9: 6,503,917 km (0.098 R)
• M10: 7,420,204 km (0.118 R)
• M11: 9,173,042 km (0.071 R)
• M12: 10,526,305 km (0.077 R)
• M13: 13,291,621 km (0.082 R)
• M14: 13,917,539 km (0.029 R)
• M15: 15,542,022 km (0.091 R)
• M16: 16,952,431 km (0.114 R)
• M17: 17,403,169 km (0.081 R)
• M18: 18,684,026 km (0.095 R)
• M19: 19,964,434 km (0.091 R)
• M20: 22,767,599 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.4

Radius: 10.4

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.25 AU - 6.67 AU

Year: 8806 Days

Day: 8.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 34,117,848 km

• M1: 149,598 km (0.067 R)
• M2: 569,369 km (0.111 R)
• M3: 1,245,103 km (0.114 R)
• M4: 2,007,155 km (0.084 R)
• M5: 2,650,874 km (0.054 R)
• M6: 3,145,295 km (0.12 R)
• M7: 3,599,325 km (0.105 R)
• M8: 4,291,514 km (0.044 R)
• M9: 5,070,021 km (0.064 R)
• M10: 6,082,350 km (0.102 R)
• M11: 6,828,844 km (0.077 R)
• M12: 7,468,973 km (0.026 R)
• M13: 7,803,923 km (0.12 R)
• M14: 8,503,741 km (0.063 R)
• M15: 11,341,164 km (0.079 R)
• M16: 12,181,755 km (0.083 R)
• M17: 12,883,668 km (0.074 R)
• M18: 13,612,359 km (0.067 R)
• M19: 15,151,871 km (0.102 R)
• M20: 15,758,041 km (0.075 R)
• M21: 16,947,195 km (0.049 R)
• M22: 19,979,843 km (0.112 R)
• M23: 20,382,710 km (0.092 R)
• M24: 21,204,900 km (0.095 R)
• M25: 21,708,596 km (0.12 R)
• M26: 22,565,941 km (0.098 R)
• M27: 26,415,094 km (0.099 R)
• M28: 28,494,505 km (0.08 R)
• M29: 30,574,214 km (0.103 R)
• M30: 32,753,257 km (0.085 R)
• M31: 33,880,776 km (0.117 R)
• M32: 35,033,877 km (0.069 R)
• M33: 35,384,833 km (0.099 R)
• M34: 41,455,365 km (0.081 R)
• M35: 45,218,200 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.8

Radius: 7.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.1 AU - 9.1 AU

Year: 18948 Days

Day: 16.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,117,848 km

• M1: 94,097 km (0.098 R)
• M2: 464,352 km (0.11 R)
• M3: 1,513,631 km (0.109 R)
• M4: 2,835,179 km (0.113 R)
• M5: 3,213,362 km (0.062 R)
• M6: 3,491,166 km (0.11 R)
• M7: 4,500,203 km (0.092 R)
• M8: 7,295,589 km (0.08 R)
• M9: 20,044,020 km (0.103 R)
• M10: 21,583,682 km (0.09 R)
• M11: 26,415,094 km (0.061 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 13,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit