🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.66 AU - 1.08 AU

Year: 296 Days

Day: 18.4 Hours

Environment

Temp: 163 °C

Axial Tilt: 46.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 31,294,927 km

• M1: 21,542 km (0.081 R)
• M2: 114,143 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.93 AU - 1.49 AU

Year: 486 Days

Day: 30.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.11 AU - 1.35 AU

Year: 498 Days

Day: 29.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 20.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 31,294,927 km

• M1: 22,140 km (0.085 R)
• M2: 196,422 km (0.106 R)

Asteroid Belt

Center: 1.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.32 AU - 2.2 AU

Year: 853 Days

Day: 23.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.16 AU - 3.26 AU

Year: 2101 Days

Day: 27.1 Hours

Environment

Temp: -117 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.76 AU - 4.22 AU

Year: 2381 Days

Day: 16 Hours

Environment

Temp: -118 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,294,927 km

• M1: 112,049 km (0.026 R)
• M2: 123,717 km (0.11 R)

Asteroid Belt

Center: 4.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 11.9

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.55 AU - 6.01 AU

Year: 4431 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,294,927 km

• M1: 148,102 km (0.113 R)
• M2: 611,706 km (0.079 R)
• M3: 1,005,896 km (0.109 R)
• M4: 1,506,451 km (0.102 R)
• M5: 2,390,275 km (0.069 R)
• M6: 3,159,956 km (0.082 R)
• M7: 3,679,360 km (0.108 R)
• M8: 4,971,287 km (0.114 R)
• M9: 6,131,269 km (0.063 R)
• M10: 7,011,203 km (0.04 R)
• M11: 7,463,887 km (0.109 R)
• M12: 9,769,788 km (0.081 R)
• M13: 11,062,015 km (0.114 R)
• M14: 11,485,227 km (0.094 R)
• M15: 14,478,680 km (0.107 R)
• M16: 15,975,856 km (0.111 R)
• M17: 18,021,906 km (0.117 R)
• M18: 19,890,084 km (0.1 R)
• M19: 21,518,756 km (0.105 R)
• M20: 23,311,238 km (0.076 R)
• M21: 24,719,403 km (0.115 R)
• M22: 25,201,257 km (0.095 R)
• M23: 29,463,301 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 15,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit