🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.62 AU - 0.92 AU

Year: 249 Days

Day: 26.2 Hours

Environment

Temp: 114 °C

Axial Tilt: 149.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.02 AU - 1.2 AU

Year: 431 Days

Day: 19.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.97 AU - 1.33 AU

Year: 455 Days

Day: 18.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 47.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.98 AU - 3.48 AU

Year: 2142 Days

Day: 40.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.92 AU - 4 AU

Year: 2375 Days

Day: 18.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,433,639 km

• M1: 151,393 km (0.042 R)
• M2: 981,960 km (0.119 R)

Asteroid Belt

Center: 3.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.26 AU - 5.06 AU

Year: 3131 Days

Day: 23.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.7 AU - 4.72 AU

Year: 3187 Days

Day: 39.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 15.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.4

Radius: 3.2

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 13.87 AU - 16.19 AU

Year: 21499 Days

Day: 16.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,433,639 km

• M1: 128,056 km (0.085 R)
• M2: 307,274 km (0.091 R)
• M3: 770,579 km (0.055 R)
• M4: 1,055,862 km (0.117 R)
• M5: 3,704,193 km (0.102 R)
• M6: 5,073,163 km (0.067 R)
• M7: 5,563,844 km (0.106 R)
• M8: 6,085,492 km (0.113 R)
• M9: 6,638,854 km (0.112 R)
• M10: 10,342,299 km (0.084 R)
• M11: 13,040,297 km (0.074 R)
• M12: 16,107,951 km (0.108 R)
• M13: 17,636,243 km (0.065 R)
• M14: 30,525,446 km (0.073 R)
• M15: 31,523,712 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 13,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit