🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.53 AU - 0.61 AU

Year: 278 Days

Day: 17.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,504,757 km

• M1: 89,160 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.5 AU - 0.64 AU

Year: 278 Days

Day: 26.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,504,757 km

• M1: 280,346 km (0.11 R)
• M2: 378,483 km (0.117 R)

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.7

Radius: 14.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.34 AU - 1.86 AU

Year: 1307 Days

Day: 12.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,504,757 km

• M1: 180,415 km (0.094 R)
• M2: 777,759 km (0.101 R)
• M3: 1,564,046 km (0.112 R)
• M4: 2,362,450 km (0.083 R)
• M5: 2,926,434 km (0.075 R)
• M6: 3,460,049 km (0.078 R)
• M7: 4,088,360 km (0.119 R)
• M8: 4,775,613 km (0.041 R)
• M9: 5,817,562 km (0.106 R)
• M10: 7,669,733 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.9

Radius: 9.8

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.96 AU - 2.04 AU

Year: 1826 Days

Day: 7.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,504,757 km

• M1: 121,922 km (0.049 R)
• M2: 1,063,940 km (0.059 R)
• M3: 1,793,678 km (0.095 R)
• M4: 3,366,550 km (0.052 R)
• M5: 3,828,658 km (0.064 R)
• M6: 4,293,758 km (0.051 R)
• M7: 6,338,462 km (0.107 R)
• M8: 7,099,466 km (0.096 R)
• M9: 9,284,193 km (0.095 R)
• M10: 10,056,717 km (0.101 R)
• M11: 10,511,943 km (0.074 R)
• M12: 13,038,651 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.4

Radius: 3.5

Gravity: 22.64 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.81 AU - 9.35 AU

Year: 13475 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,504,757 km

• M1: 43,533 km (0.084 R)
• M2: 230,680 km (0.112 R)
• M3: 415,882 km (0.12 R)
• M4: 529,277 km (0.084 R)
• M5: 686,953 km (0.111 R)
• M6: 2,567,997 km (0.103 R)
• M7: 3,268,564 km (0.106 R)
• M8: 3,700,154 km (0.05 R)
• M9: 4,250,375 km (0.03 R)
• M10: 4,445,301 km (0.114 R)
• M11: 4,883,323 km (0.072 R)
• M12: 5,253,877 km (0.082 R)
• M13: 5,478,424 km (0.069 R)
• M14: 6,441,535 km (0.056 R)
• M15: 6,811,341 km (0.11 R)
• M16: 8,476,215 km (0.053 R)
• M17: 9,614,356 km (0.054 R)
• M18: 9,998,972 km (0.12 R)
• M19: 13,042,391 km (0.114 R)
• M20: 13,276,661 km (0.101 R)
• M21: 16,650,243 km (0.104 R)
• M22: 17,986,601 km (0.114 R)
• M23: 18,203,966 km (0.072 R)
• M24: 20,632,538 km (0.07 R)
• M25: 22,089,023 km (0.117 R)
• M26: 22,842,548 km (0.072 R)
• M27: 26,492,137 km (0.117 R)
• M28: 27,342,302 km (0.058 R)
• M29: 28,898,120 km (0.104 R)
• M30: 31,236,634 km (0.114 R)
• M31: 33,918,026 km (0.034 R)
• M32: 34,695,486 km (0.111 R)
• M33: 37,216,061 km (0.069 R)
• M34: 39,124,032 km (0.081 R)
• M35: 40,225,371 km (0.08 R)
• M36: 43,263,106 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.9

Radius: 4.2

Gravity: 31.29 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.42 AU - 8.88 AU

Year: 15023 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,504,757 km

• M1: 52,359 km (0.098 R)
• M2: 226,790 km (0.064 R)
• M3: 534,064 km (0.062 R)
• M4: 2,040,365 km (0.037 R)
• M5: 2,473,451 km (0.098 R)
• M6: 2,623,348 km (0.073 R)
• M7: 2,848,194 km (0.074 R)
• M8: 5,031,425 km (0.102 R)
• M9: 6,887,037 km (0.086 R)
• M10: 7,056,232 km (0.048 R)
• M11: 8,082,923 km (0.117 R)
• M12: 9,053,364 km (0.1 R)
• M13: 9,671,502 km (0.114 R)
• M14: 10,539,020 km (0.095 R)
• M15: 11,398,161 km (0.051 R)
• M16: 13,915,744 km (0.109 R)
• M17: 14,186,366 km (0.047 R)
• M18: 14,807,796 km (0.057 R)
• M19: 15,303,563 km (0.084 R)
• M20: 16,933,581 km (0.08 R)
• M21: 17,869,765 km (0.082 R)
• M22: 20,360,270 km (0.074 R)
• M23: 21,688,251 km (0.103 R)
• M24: 28,981,147 km (0.076 R)
• M25: 29,422,311 km (0.046 R)
• M26: 34,204,656 km (0.073 R)
• M27: 35,194,545 km (0.065 R)
• M28: 36,586,553 km (0.076 R)
• M29: 40,431,667 km (0.108 R)
• M30: 42,948,801 km (0.111 R)
• M31: 47,068,876 km (0.028 R)
• M32: 47,831,376 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 13,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit