🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.13 AU - 1.41 AU

Year: 510 Days

Day: 12.3 Hours

Environment

Temp: -4 °C

Axial Tilt: 9.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.21 AU - 1.75 AU

Year: 642 Days

Day: 44.3 Hours

Environment

Temp: -10 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,615,514 km

• M1: 32,912 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.65 AU - 2.09 AU

Year: 912 Days

Day: 23 Hours

Environment

Temp: -45 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.62 AU - 2.36 AU

Year: 1001 Days

Day: 24.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.73 AU - 2.41 AU

Year: 1062 Days

Day: 47.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,615,514 km

• M1: 428,897 km (0.105 R)

Asteroid Belt

Center: 2.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.14 AU - 3.14 AU

Year: 1529 Days

Day: 38.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.45 AU - 3.75 AU

Year: 1946 Days

Day: 43.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.4

Radius: 15

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 11.05 AU - 12.43 AU

Year: 14338 Days

Day: 5.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,615,514 km

• M1: 188,194 km (0.11 R)
• M2: 687,253 km (0.081 R)
• M3: 1,296,266 km (0.043 R)
• M4: 3,706,287 km (0.081 R)
• M5: 5,264,499 km (0.074 R)
• M6: 5,946,216 km (0.064 R)
• M7: 7,042,769 km (0.094 R)
• M8: 8,557,148 km (0.03 R)
• M9: 11,909,187 km (0.06 R)
• M10: 16,373,936 km (0.077 R)
• M11: 19,444,432 km (0.11 R)
• M12: 22,400,336 km (0.104 R)
• M13: 23,449,017 km (0.068 R)
• M14: 24,277,790 km (0.093 R)
• M15: 26,971,598 km (0.09 R)
• M16: 29,094,841 km (0.109 R)
• M17: 30,245,997 km (0.064 R)
• M18: 34,514,922 km (0.069 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 9.9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 11.19 AU - 13.65 AU

Year: 15602 Days

Day: 10.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,615,514 km

• M1: 123,418 km (0.105 R)
• M2: 505,342 km (0.099 R)
• M3: 1,442,722 km (0.111 R)
• M4: 2,546,156 km (0.118 R)
• M5: 4,766,039 km (0.079 R)
• M6: 5,277,364 km (0.077 R)
• M7: 5,856,308 km (0.114 R)
• M8: 6,309,589 km (0.039 R)
• M9: 6,821,065 km (0.098 R)
• M10: 7,545,866 km (0.097 R)
• M11: 10,775,086 km (0.073 R)
• M12: 17,452,387 km (0.077 R)
• M13: 18,667,271 km (0.114 R)
• M14: 27,521,819 km (0.083 R)
• M15: 28,062,616 km (0.053 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.2

Radius: 13.1

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 10.24 AU - 14.96 AU

Year: 15942 Days

Day: 7 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,615,514 km

• M1: 163,361 km (0.095 R)
• M2: 589,864 km (0.045 R)
• M3: 1,006,644 km (0.102 R)
• M4: 2,432,611 km (0.064 R)
• M5: 2,892,026 km (0.08 R)
• M6: 3,505,677 km (0.109 R)
• M7: 4,964,854 km (0.106 R)
• M8: 5,883,535 km (0.102 R)
• M9: 8,318,988 km (0.047 R)
• M10: 8,812,811 km (0.039 R)
• M11: 13,929,806 km (0.088 R)
• M12: 14,371,119 km (0.11 R)
• M13: 17,508,037 km (0.114 R)
• M14: 19,548,253 km (0.079 R)
• M15: 20,666,347 km (0.106 R)
• M16: 27,789,001 km (0.056 R)
• M17: 29,407,650 km (0.065 R)
• M18: 29,822,036 km (0.095 R)
• M19: 35,335,615 km (0.115 R)
• M20: 41,105,157 km (0.119 R)
• M21: 42,672,942 km (0.082 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 19,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit