🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.64 AU

Year: 141 Days

Day: 42.6 Hours

Environment

Temp: 192 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.8 AU - 0.88 AU

Year: 274 Days

Day: 23 Hours

Environment

Temp: 125 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.45 AU - 1.53 AU

Year: 648 Days

Day: 39.3 Hours

Environment

Temp: -15 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.65 AU - 2.35 AU

Year: 1008 Days

Day: 41 Hours

Environment

Temp: -55 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.9

Radius: 11.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.31 AU - 11.49 AU

Year: 11103 Days

Day: 7.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,572,338 km

• M1: 150,196 km (0.118 R)
• M2: 669,151 km (0.076 R)
• M3: 1,207,105 km (0.083 R)
• M4: 2,039,767 km (0.116 R)
• M5: 2,810,196 km (0.11 R)
• M6: 3,881,317 km (0.094 R)
• M7: 5,894,605 km (0.096 R)
• M8: 7,021,825 km (0.086 R)
• M9: 7,976,858 km (0.083 R)
• M10: 8,768,829 km (0.108 R)
• M11: 9,525,644 km (0.085 R)
• M12: 11,169,575 km (0.11 R)
• M13: 11,658,162 km (0.104 R)
• M14: 12,160,811 km (0.106 R)
• M15: 24,932,879 km (0.06 R)
• M16: 26,450,100 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.4

Radius: 5.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 12.84 AU - 16.74 AU

Year: 20274 Days

Day: 23.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,572,338 km

• M1: 75,697 km (0.041 R)
• M2: 394,190 km (0.093 R)
• M3: 725,400 km (0.108 R)
• M4: 1,383,332 km (0.093 R)
• M5: 2,446,224 km (0.037 R)
• M6: 3,216,055 km (0.084 R)
• M7: 3,447,633 km (0.051 R)
• M8: 3,897,324 km (0.032 R)
• M9: 6,482,525 km (0.119 R)
• M10: 7,166,486 km (0.083 R)
• M11: 8,717,218 km (0.049 R)
• M12: 11,909,337 km (0.065 R)
• M13: 12,879,778 km (0.076 R)
• M14: 21,859,241 km (0.074 R)
• M15: 24,985,986 km (0.091 R)
• M16: 31,342,549 km (0.069 R)
• M17: 32,594,534 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.5

Radius: 5.7

Gravity: 23.99 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 17.33 AU - 17.37 AU

Year: 25760 Days

Day: 15.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,572,338 km

• M1: 70,909 km (0.117 R)
• M2: 618,886 km (0.104 R)
• M3: 868,565 km (0.1 R)
• M4: 1,127,070 km (0.045 R)
• M5: 1,574,667 km (0.048 R)
• M6: 2,155,855 km (0.106 R)
• M7: 2,710,863 km (0.096 R)
• M8: 3,178,955 km (0.05 R)
• M9: 6,084,744 km (0.083 R)
• M10: 8,633,742 km (0.037 R)
• M11: 10,205,268 km (0.116 R)
• M12: 11,126,042 km (0.085 R)
• M13: 12,683,057 km (0.119 R)
• M14: 14,541,063 km (0.067 R)
• M15: 15,790,205 km (0.09 R)
• M16: 16,573,051 km (0.102 R)
• M17: 17,656,887 km (0.087 R)
• M18: 19,566,803 km (0.095 R)
• M19: 20,673,827 km (0.115 R)
• M20: 26,597,903 km (0.115 R)
• M21: 30,273,822 km (0.037 R)
• M22: 33,702,904 km (0.118 R)
• M23: 35,144,130 km (0.091 R)
• M24: 37,229,973 km (0.105 R)
• M25: 40,351,034 km (0.119 R)
• M26: 49,456,308 km (0.059 R)
• M27: 51,881,589 km (0.064 R)
• M28: 73,242,220 km (0.092 R)
• M29: 75,898,330 km (0.093 R)
• M30: 76,879,991 km (0.098 R)
• M31: 78,118,811 km (0.117 R)
• M32: 85,567,588 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.8

Radius: 3.4

Gravity: 45.66 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 17.53 AU - 20.53 AU

Year: 29591 Days

Day: 18.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,572,338 km

• M1: 43,084 km (0.113 R)
• M2: 296,054 km (0.095 R)
• M3: 487,091 km (0.093 R)
• M4: 634,295 km (0.113 R)
• M5: 1,073,514 km (0.086 R)
• M6: 1,579,006 km (0.086 R)
• M7: 2,116,062 km (0.113 R)
• M8: 2,765,466 km (0.071 R)
• M9: 2,953,511 km (0.076 R)
• M10: 3,236,849 km (0.072 R)
• M11: 3,695,516 km (0.077 R)
• M12: 4,816,303 km (0.11 R)
• M13: 5,168,307 km (0.087 R)
• M14: 6,654,113 km (0.069 R)
• M15: 9,561,847 km (0.112 R)
• M16: 10,370,274 km (0.11 R)
• M17: 10,758,331 km (0.086 R)
• M18: 11,770,809 km (0.11 R)
• M19: 15,104,149 km (0.043 R)
• M20: 16,111,691 km (0.105 R)
• M21: 17,433,089 km (0.061 R)
• M22: 18,166,567 km (0.107 R)
• M23: 18,920,391 km (0.051 R)
• M24: 20,793,655 km (0.071 R)
• M25: 21,513,969 km (0.066 R)
• M26: 33,272,362 km (0.111 R)
• M27: 38,234,673 km (0.057 R)
• M28: 38,541,049 km (0.094 R)
• M29: 38,848,921 km (0.108 R)
• M30: 41,051,002 km (0.107 R)
• M31: 45,529,962 km (0.1 R)
• M32: 45,874,187 km (0.059 R)
• M33: 47,268,140 km (0.109 R)
• M34: 47,621,041 km (0.117 R)
• M35: 49,230,714 km (0.08 R)
• M36: 61,525,864 km (0.064 R)
• M37: 67,814,360 km (0.112 R)
• M38: 74,995,357 km (0.085 R)
• M39: 84,987,897 km (0.069 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 17,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit