🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 12.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.84 AU - 1.1 AU

Year: 672 Days

Day: 13.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 135.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,907,041 km

• M1: 160,668 km (0.025 R)
• M2: 646,113 km (0.077 R)
• M3: 1,097,899 km (0.098 R)
• M4: 1,577,510 km (0.106 R)
• M5: 2,142,541 km (0.059 R)
• M6: 2,655,661 km (0.097 R)
• M7: 3,489,370 km (0.108 R)
• M8: 4,117,981 km (0.064 R)
• M9: 6,291,937 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.9

Radius: 10.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.96 AU - 1.42 AU

Year: 912 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,907,041 km

• M1: 130,898 km (0.106 R)
• M2: 458,517 km (0.085 R)
• M3: 1,060,649 km (0.098 R)
• M4: 1,399,189 km (0.063 R)
• M5: 1,926,521 km (0.075 R)
• M6: 2,387,582 km (0.039 R)
• M7: 2,813,188 km (0.112 R)
• M8: 3,184,639 km (0.052 R)
• M9: 4,042,733 km (0.101 R)
• M10: 4,667,753 km (0.099 R)
• M11: 5,505,501 km (0.064 R)
• M12: 5,871,417 km (0.075 R)
• M13: 6,274,135 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.6

Radius: 9.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.59 AU - 3.45 AU

Year: 3689 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,907,041 km

• M1: 123,867 km (0.036 R)
• M2: 467,194 km (0.076 R)
• M3: 794,514 km (0.114 R)
• M4: 1,165,068 km (0.11 R)
• M5: 1,630,617 km (0.118 R)
• M6: 2,334,624 km (0.093 R)
• M7: 2,712,209 km (0.06 R)
• M8: 3,130,485 km (0.04 R)
• M9: 3,736,656 km (0.114 R)
• M10: 4,097,336 km (0.109 R)
• M11: 4,889,158 km (0.058 R)
• M12: 5,487,399 km (0.049 R)
• M13: 6,637,508 km (0.065 R)
• M14: 8,127,204 km (0.095 R)
• M15: 9,373,803 km (0.098 R)
• M16: 12,365,910 km (0.053 R)
• M17: 14,010,140 km (0.098 R)
• M18: 14,697,542 km (0.032 R)
• M19: 15,942,346 km (0.075 R)
• M20: 16,489,575 km (0.111 R)
• M21: 16,946,596 km (0.12 R)
• M22: 17,621,582 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.6

Radius: 9.2

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.57 AU - 3.91 AU

Year: 5084 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,907,041 km

• M1: 114,442 km (0.084 R)
• M2: 516,113 km (0.12 R)
• M3: 864,526 km (0.064 R)
• M4: 1,169,855 km (0.048 R)
• M5: 1,661,883 km (0.074 R)
• M6: 2,113,668 km (0.107 R)
• M7: 2,886,491 km (0.076 R)
• M8: 3,264,974 km (0.103 R)
• M9: 3,631,488 km (0.104 R)
• M10: 4,981,908 km (0.068 R)
• M11: 5,770,588 km (0.071 R)
• M12: 6,211,154 km (0.104 R)
• M13: 8,477,562 km (0.037 R)
• M14: 9,047,530 km (0.087 R)
• M15: 11,197,700 km (0.091 R)
• M16: 13,286,684 km (0.069 R)
• M17: 15,443,287 km (0.073 R)
• M18: 19,031,991 km (0.058 R)
• M19: 20,151,282 km (0.1 R)
• M20: 20,582,124 km (0.049 R)
• M21: 21,092,701 km (0.071 R)
• M22: 22,214,835 km (0.08 R)
• M23: 23,219,385 km (0.063 R)
• M24: 25,152,788 km (0.106 R)
• M25: 28,339,970 km (0.066 R)
• M26: 29,337,190 km (0.094 R)
• M27: 30,734,434 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.9

Radius: 4.7

Gravity: 41.51 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.97 AU - 10.57 AU

Year: 18256 Days

Day: 17.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,907,041 km

• M1: 58,493 km (0.111 R)
• M2: 1,017,864 km (0.1 R)
• M3: 1,903,035 km (0.08 R)
• M4: 2,740,334 km (0.092 R)
• M5: 2,917,906 km (0.074 R)
• M6: 4,350,904 km (0.063 R)
• M7: 6,068,737 km (0.041 R)
• M8: 6,548,647 km (0.114 R)
• M9: 6,820,915 km (0.116 R)
• M10: 7,884,406 km (0.104 R)
• M11: 8,192,578 km (0.115 R)
• M12: 11,209,219 km (0.082 R)
• M13: 12,822,333 km (0.096 R)
• M14: 14,204,318 km (0.049 R)
• M15: 15,048,349 km (0.091 R)
• M16: 15,442,689 km (0.053 R)
• M17: 20,922,459 km (0.076 R)
• M18: 21,413,738 km (0.054 R)
• M19: 22,317,459 km (0.091 R)
• M20: 22,521,660 km (0.114 R)
• M21: 28,398,613 km (0.084 R)
• M22: 29,857,940 km (0.082 R)
• M23: 32,793,349 km (0.075 R)
• M24: 38,054,856 km (0.059 R)
• M25: 46,127,905 km (0.115 R)
• M26: 48,310,688 km (0.105 R)
• M27: 48,995,846 km (0.115 R)
• M28: 50,561,238 km (0.066 R)
• M29: 51,445,212 km (0.076 R)
• M30: 60,659,543 km (0.102 R)
• M31: 66,599,476 km (0.088 R)
• M32: 67,447,995 km (0.11 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: 254 - 15,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit