🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.4 AU - 0.62 AU

Year: 156 Days

Day: 14.4 Hours

Environment

Temp: 131 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.49 AU - 0.71 AU

Year: 199 Days

Day: 41.7 Hours

Environment

Temp: 18 °C

Axial Tilt: 19 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.49 AU - 0.77 AU

Year: 214 Days

Day: 47.4 Hours

Environment

Temp: 19 °C

Axial Tilt: 47 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.44 AU - 1.76 AU

Year: 865 Days

Day: 19.6 Hours

Environment

Temp: -90 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 89,198,894 km

• M1: 679,773 km (0.062 R)
• M2: 774,618 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.93 AU - 2.29 AU

Year: 1310 Days

Day: 30.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.75 AU - 2.61 AU

Year: 1376 Days

Day: 37.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.2 AU - 2.82 AU

Year: 1700 Days

Day: 32.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,198,894 km

• M1: 2,250,251 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.4

Radius: 9.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.73 AU - 3.91 AU

Year: 2586 Days

Day: 13.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,198,894 km

• M1: 125,961 km (0.078 R)
• M2: 443,109 km (0.086 R)
• M3: 752,028 km (0.114 R)
• M4: 1,190,799 km (0.096 R)
• M5: 1,988,604 km (0.104 R)
• M6: 3,004,374 km (0.101 R)
• M7: 3,686,540 km (0.117 R)
• M8: 4,951,390 km (0.058 R)
• M9: 9,750,939 km (0.094 R)
• M10: 11,023,418 km (0.064 R)
• M11: 12,095,586 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 10.4

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.35 AU - 10.89 AU

Year: 11774 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,198,894 km

• M1: 129,851 km (0.111 R)
• M2: 502,499 km (0.083 R)
• M3: 927,956 km (0.087 R)
• M4: 2,034,232 km (0.066 R)
• M5: 3,487,725 km (0.105 R)
• M6: 4,148,499 km (0.066 R)
• M7: 4,793,265 km (0.099 R)
• M8: 5,828,931 km (0.105 R)
• M9: 7,091,388 km (0.101 R)
• M10: 10,149,019 km (0.1 R)
• M11: 19,365,444 km (0.039 R)
• M12: 23,911,424 km (0.109 R)
• M13: 41,721,949 km (0.045 R)
• M14: 43,836,365 km (0.12 R)
• M15: 44,556,828 km (0.104 R)
• M16: 46,466,894 km (0.051 R)
• M17: 52,362,396 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.9

Radius: 3.3

Gravity: 48.84 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 15.96 AU - 17.16 AU

Year: 28808 Days

Day: 18.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,198,894 km

• M1: 43,383 km (0.113 R)
• M2: 162,912 km (0.045 R)
• M3: 399,426 km (0.045 R)
• M4: 1,056,610 km (0.111 R)
• M5: 3,101,613 km (0.081 R)
• M6: 4,131,893 km (0.053 R)
• M7: 5,089,469 km (0.088 R)
• M8: 5,452,842 km (0.096 R)
• M9: 6,506,011 km (0.071 R)
• M10: 8,111,496 km (0.09 R)
• M11: 8,890,153 km (0.111 R)
• M12: 9,180,073 km (0.063 R)
• M13: 11,320,071 km (0.051 R)
• M14: 16,814,501 km (0.093 R)
• M15: 17,799,155 km (0.104 R)
• M16: 18,259,168 km (0.108 R)
• M17: 20,377,923 km (0.095 R)
• M18: 21,496,167 km (0.082 R)
• M19: 22,334,663 km (0.114 R)
• M20: 22,654,653 km (0.08 R)
• M21: 23,965,280 km (0.095 R)
• M22: 41,382,212 km (0.093 R)
• M23: 43,005,349 km (0.094 R)
• M24: 57,146,985 km (0.073 R)
• M25: 68,790,187 km (0.116 R)
• M26: 81,664,879 km (0.087 R)
• M27: 83,699,111 km (0.116 R)
• M28: 87,868,254 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 12,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit