🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.5

Radius: 14.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.7 AU - 0.86 AU

Year: 438 Days

Day: 13 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,360,050 km

• M1: 185,352 km (0.117 R)
• M2: 657,632 km (0.099 R)
• M3: 1,216,081 km (0.084 R)
• M4: 2,408,077 km (0.111 R)
• M5: 3,072,890 km (0.101 R)
• M6: 3,917,071 km (0.108 R)
• M7: 4,433,034 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 13.8

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.48 AU - 1.8 AU

Year: 1335 Days

Day: 12.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,360,050 km

• M1: 171,738 km (0.119 R)
• M2: 693,985 km (0.064 R)
• M3: 1,995,636 km (0.075 R)
• M4: 2,964,282 km (0.04 R)
• M5: 3,674,273 km (0.104 R)
• M6: 4,208,786 km (0.118 R)
• M7: 5,108,468 km (0.106 R)
• M8: 6,316,321 km (0.069 R)
• M9: 7,264,473 km (0.109 R)
• M10: 8,111,496 km (0.074 R)
• M11: 8,731,429 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.6

Radius: 9.3

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.28 AU - 2.06 AU

Year: 1372 Days

Day: 10.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,360,050 km

• M1: 116,686 km (0.075 R)
• M2: 435,629 km (0.078 R)
• M3: 737,966 km (0.097 R)
• M4: 1,521,560 km (0.069 R)
• M5: 1,907,373 km (0.05 R)
• M6: 2,963,384 km (0.06 R)
• M7: 3,554,445 km (0.09 R)
• M8: 4,132,043 km (0.086 R)
• M9: 4,500,353 km (0.078 R)
• M10: 5,052,818 km (0.116 R)
• M11: 6,292,984 km (0.089 R)
• M12: 6,857,267 km (0.11 R)
• M13: 8,285,927 km (0.082 R)
• M14: 8,576,296 km (0.118 R)
• M15: 9,551,674 km (0.093 R)
• M16: 10,164,727 km (0.119 R)
• M17: 10,464,221 km (0.107 R)
• M18: 11,794,147 km (0.107 R)
• M19: 13,076,799 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 13.4

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.36 AU - 3.24 AU

Year: 2979 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,360,050 km

• M1: 167,998 km (0.061 R)
• M2: 1,078,601 km (0.043 R)
• M3: 1,881,343 km (0.036 R)
• M4: 2,726,122 km (0.069 R)
• M5: 3,228,621 km (0.11 R)
• M6: 4,108,706 km (0.068 R)
• M7: 5,369,816 km (0.109 R)
• M8: 5,794,674 km (0.107 R)
• M9: 8,361,474 km (0.094 R)
• M10: 9,131,155 km (0.07 R)
• M11: 10,775,385 km (0.108 R)
• M12: 14,417,046 km (0.101 R)
• M13: 15,906,143 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.4

Radius: 9

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.73 AU - 3.25 AU

Year: 3287 Days

Day: 7.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,360,050 km

• M1: 113,694 km (0.098 R)
• M2: 429,795 km (0.062 R)
• M3: 902,973 km (0.051 R)
• M4: 1,215,782 km (0.102 R)
• M5: 1,526,646 km (0.104 R)
• M6: 1,903,483 km (0.077 R)
• M7: 2,327,593 km (0.04 R)
• M8: 3,421,902 km (0.104 R)
• M9: 3,747,576 km (0.101 R)
• M10: 4,417,326 km (0.082 R)
• M11: 4,804,336 km (0.079 R)
• M12: 5,672,751 km (0.113 R)
• M13: 7,243,828 km (0.056 R)
• M14: 9,013,870 km (0.119 R)
• M15: 10,330,331 km (0.096 R)
• M16: 11,137,711 km (0.105 R)
• M17: 11,986,529 km (0.074 R)
• M18: 12,516,255 km (0.078 R)
• M19: 13,527,687 km (0.09 R)
• M20: 15,660,653 km (0.102 R)
• M21: 17,837,302 km (0.113 R)
• M22: 20,832,401 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 14

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.35 AU - 3.87 AU

Year: 3487 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,360,050 km

• M1: 174,132 km (0.068 R)
• M2: 672,592 km (0.113 R)
• M3: 1,187,657 km (0.096 R)
• M4: 1,661,883 km (0.066 R)
• M5: 2,369,032 km (0.097 R)
• M6: 4,028,072 km (0.09 R)
• M7: 4,775,164 km (0.096 R)
• M8: 5,640,588 km (0.064 R)
• M9: 6,546,852 km (0.105 R)
• M10: 7,615,878 km (0.055 R)
• M11: 9,064,135 km (0.105 R)
• M12: 12,984,497 km (0.065 R)
• M13: 16,494,811 km (0.055 R)
• M14: 17,672,744 km (0.12 R)
• M15: 18,843,049 km (0.108 R)
• M16: 19,287,055 km (0.083 R)
• M17: 20,196,012 km (0.039 R)

Asteroid Belt

Center: 3.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.4

Radius: 12

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.29 AU - 4.85 AU

Year: 5221 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,360,050 km

• M1: 150,196 km (0.09 R)
• M2: 883,076 km (0.106 R)
• M3: 1,267,393 km (0.099 R)
• M4: 1,924,726 km (0.036 R)
• M5: 2,444,130 km (0.101 R)
• M6: 3,532,903 km (0.042 R)
• M7: 4,390,249 km (0.091 R)
• M8: 7,276,740 km (0.042 R)
• M9: 8,058,837 km (0.091 R)
• M10: 8,432,533 km (0.093 R)
• M11: 9,582,043 km (0.079 R)
• M12: 9,959,329 km (0.068 R)
• M13: 11,243,178 km (0.077 R)
• M14: 14,408,070 km (0.106 R)
• M15: 18,572,875 km (0.088 R)
• M16: 20,305,218 km (0.068 R)
• M17: 21,210,734 km (0.059 R)
• M18: 25,103,719 km (0.092 R)
• M19: 25,822,836 km (0.085 R)
• M20: 27,892,224 km (0.051 R)
• M21: 28,319,027 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 10.5

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.4 AU - 5.78 AU

Year: 8403 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,360,050 km

• M1: 130,599 km (0.06 R)
• M2: 714,629 km (0.118 R)
• M3: 1,048,232 km (0.099 R)
• M4: 1,403,976 km (0.114 R)
• M5: 2,529,999 km (0.096 R)
• M6: 3,163,397 km (0.119 R)
• M7: 4,229,581 km (0.069 R)
• M8: 5,093,359 km (0.097 R)
• M9: 6,273,536 km (0.093 R)
• M10: 7,864,210 km (0.092 R)
• M11: 8,817,747 km (0.116 R)
• M12: 10,080,653 km (0.118 R)
• M13: 10,608,434 km (0.054 R)
• M14: 12,739,755 km (0.111 R)
• M15: 14,171,257 km (0.081 R)
• M16: 14,530,142 km (0.079 R)
• M17: 15,643,749 km (0.12 R)
• M18: 16,417,170 km (0.111 R)
• M19: 19,398,954 km (0.115 R)
• M20: 19,990,913 km (0.091 R)
• M21: 22,642,685 km (0.08 R)
• M22: 27,138,699 km (0.064 R)
• M23: 28,349,245 km (0.087 R)
• M24: 29,595,396 km (0.041 R)
• M25: 31,078,210 km (0.077 R)
• M26: 32,818,033 km (0.074 R)
• M27: 35,493,142 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 14,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit