🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.42 AU - 0.64 AU

Year: 142 Days

Day: 12.7 Hours

Environment

Temp: 209 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.6 AU - 0.72 AU

Year: 197 Days

Day: 38.6 Hours

Environment

Temp: 125 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.71 AU - 0.77 AU

Year: 234 Days

Day: 22.3 Hours

Environment

Temp: 115 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.94 AU - 1.14 AU

Year: 389 Days

Day: 28.4 Hours

Environment

Temp: 37 °C

Axial Tilt: 36.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.98 AU - 1.34 AU

Year: 459 Days

Day: 23.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.53 AU - 3.47 AU

Year: 1907 Days

Day: 19 Hours

Environment

Temp: -105 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.06 AU - 4.6 AU

Year: 2752 Days

Day: 12.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.8 AU - 4.06 AU

Year: 2860 Days

Day: 19.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,418,793 km

• M1: 146,756 km (0.091 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.1

Radius: 14.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.73 AU - 6.95 AU

Year: 5181 Days

Day: 12.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,418,793 km

• M1: 607,367 km (0.078 R)
• M2: 2,385,787 km (0.116 R)
• M3: 3,727,829 km (0.094 R)
• M4: 5,025,142 km (0.117 R)
• M5: 5,552,175 km (0.088 R)
• M6: 6,303,306 km (0.068 R)
• M7: 7,033,643 km (0.089 R)
• M8: 8,332,452 km (0.085 R)
• M9: 9,143,422 km (0.073 R)
• M10: 10,155,601 km (0.081 R)
• M11: 10,805,753 km (0.078 R)
• M12: 13,191,091 km (0.077 R)
• M13: 15,506,717 km (0.072 R)
• M14: 17,211,684 km (0.108 R)
• M15: 17,971,641 km (0.119 R)
• M16: 18,697,340 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.9

Radius: 6.4

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 12.07 AU - 17.47 AU

Year: 20837 Days

Day: 16.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,418,793 km

• M1: 80,035 km (0.088 R)
• M2: 303,684 km (0.038 R)
• M3: 541,395 km (0.026 R)
• M4: 1,108,670 km (0.088 R)
• M5: 2,185,326 km (0.068 R)
• M6: 2,754,845 km (0.11 R)
• M7: 3,340,221 km (0.038 R)
• M8: 4,245,588 km (0.093 R)
• M9: 5,669,161 km (0.091 R)
• M10: 9,006,390 km (0.109 R)
• M11: 17,002,696 km (0.096 R)
• M12: 18,118,247 km (0.12 R)
• M13: 20,849,605 km (0.095 R)
• M14: 29,412,737 km (0.108 R)
• M15: 34,773,576 km (0.088 R)
• M16: 35,152,508 km (0.079 R)
• M17: 40,750,909 km (0.098 R)
• M18: 41,313,098 km (0.082 R)
• M19: 41,738,255 km (0.071 R)
• M20: 47,069,175 km (0.097 R)
• M21: 53,673,023 km (0.103 R)
• M22: 59,777,514 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 15,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit