🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.7

Radius: 10.4

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.52 AU - 0.72 AU

Year: 331 Days

Day: 12.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,047,059 km

• M1: 129,402 km (0.094 R)
• M2: 453,880 km (0.057 R)
• M3: 781,200 km (0.036 R)
• M4: 1,143,825 km (0.088 R)
• M5: 1,468,602 km (0.088 R)
• M6: 1,834,519 km (0.074 R)
• M7: 2,261,621 km (0.08 R)
• M8: 2,594,925 km (0.106 R)
• M9: 3,587,806 km (0.069 R)
• M10: 4,209,834 km (0.064 R)
• M11: 4,649,502 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 10.8

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.91 AU - 1.39 AU

Year: 836 Days

Day: 6.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,047,059 km

• M1: 134,339 km (0.117 R)
• M2: 568,622 km (0.118 R)
• M3: 961,017 km (0.102 R)
• M4: 1,374,804 km (0.087 R)
• M5: 1,907,522 km (0.054 R)
• M6: 2,481,978 km (0.036 R)
• M7: 3,021,727 km (0.08 R)
• M8: 3,520,487 km (0.058 R)
• M9: 4,473,874 km (0.094 R)
• M10: 5,373,556 km (0.09 R)
• M11: 6,129,773 km (0.115 R)
• M12: 6,500,327 km (0.119 R)
• M13: 6,955,403 km (0.092 R)
• M14: 7,310,549 km (0.109 R)
• M15: 9,587,129 km (0.107 R)
• M16: 10,027,994 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.5

Radius: 14.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.69 AU - 1.91 AU

Year: 1638 Days

Day: 12 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,047,059 km

• M1: 185,352 km (0.064 R)
• M2: 806,033 km (0.091 R)
• M3: 1,279,361 km (0.1 R)
• M4: 1,947,016 km (0.052 R)
• M5: 2,868,689 km (0.099 R)
• M6: 3,408,438 km (0.119 R)
• M7: 3,966,887 km (0.058 R)
• M8: 4,550,468 km (0.051 R)
• M9: 5,595,559 km (0.08 R)
• M10: 6,242,420 km (0.117 R)
• M11: 7,256,544 km (0.092 R)
• M12: 7,974,314 km (0.079 R)
• M13: 9,522,353 km (0.091 R)
• M14: 11,397,413 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.5

Radius: 10.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.81 AU - 4.29 AU

Year: 4537 Days

Day: 6.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,047,059 km

• M1: 208,839 km (0.074 R)
• M2: 995,424 km (0.091 R)
• M3: 1,414,149 km (0.113 R)
• M4: 1,900,491 km (0.07 R)
• M5: 2,422,438 km (0.096 R)
• M6: 3,561,028 km (0.095 R)
• M7: 5,001,057 km (0.098 R)
• M8: 7,887,997 km (0.113 R)
• M9: 8,985,147 km (0.099 R)
• M10: 11,354,179 km (0.057 R)
• M11: 11,864,906 km (0.101 R)
• M12: 12,480,202 km (0.101 R)
• M13: 12,978,513 km (0.088 R)
• M14: 13,631,807 km (0.076 R)
• M15: 16,412,532 km (0.051 R)
• M16: 18,775,580 km (0.09 R)
• M17: 20,722,147 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.3

Radius: 12.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.56 AU - 4.62 AU

Year: 5610 Days

Day: 14.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,047,059 km

• M1: 156,779 km (0.078 R)
• M2: 627,563 km (0.112 R)
• M3: 1,076,357 km (0.107 R)
• M4: 1,636,750 km (0.085 R)
• M5: 2,077,017 km (0.109 R)
• M6: 2,680,345 km (0.041 R)
• M7: 4,954,831 km (0.062 R)
• M8: 5,661,232 km (0.108 R)
• M9: 8,007,824 km (0.036 R)
• M10: 9,908,017 km (0.062 R)
• M11: 11,301,072 km (0.099 R)
• M12: 11,950,177 km (0.099 R)
• M13: 12,477,360 km (0.043 R)
• M14: 13,630,161 km (0.113 R)
• M15: 15,350,537 km (0.096 R)
• M16: 16,089,251 km (0.084 R)
• M17: 17,884,575 km (0.064 R)
• M18: 18,511,689 km (0.059 R)
• M19: 19,348,839 km (0.118 R)
• M20: 20,754,161 km (0.11 R)
• M21: 22,514,779 km (0.061 R)
• M22: 22,951,754 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.6

Radius: 12.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.4 AU - 5.44 AU

Year: 6303 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,047,059 km

• M1: 150,944 km (0.095 R)
• M2: 835,953 km (0.086 R)
• M3: 1,322,445 km (0.074 R)
• M4: 2,202,978 km (0.095 R)
• M5: 2,782,371 km (0.113 R)
• M6: 3,236,999 km (0.063 R)
• M7: 3,966,438 km (0.108 R)
• M8: 4,494,818 km (0.072 R)
• M9: 5,179,527 km (0.108 R)
• M10: 6,085,641 km (0.111 R)
• M11: 8,326,019 km (0.074 R)
• M12: 9,694,989 km (0.07 R)
• M13: 12,823,380 km (0.057 R)
• M14: 13,289,527 km (0.107 R)
• M15: 14,756,184 km (0.049 R)
• M16: 17,880,685 km (0.064 R)
• M17: 20,919,766 km (0.066 R)
• M18: 25,730,834 km (0.114 R)
• M19: 27,145,581 km (0.065 R)
• M20: 30,311,521 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 14,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit