🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.55 AU - 0.65 AU

Year: 163 Days

Day: 13.6 Hours

Environment

Temp: 264 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.93 AU - 0.99 AU

Year: 329 Days

Day: 30 Hours

Environment

Temp: 172 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.82 AU - 1.22 AU

Year: 360 Days

Day: 42 Hours

Environment

Temp: 150 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 27,704,759 km

• M1: 50,265 km (0.075 R)
• M2: 287,378 km (0.041 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.86 AU - 1.24 AU

Year: 376 Days

Day: 32.9 Hours

Environment

Temp: 139 °C

Axial Tilt: 26.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.21 AU - 1.29 AU

Year: 489 Days

Day: 23.1 Hours

Environment

Temp: 31 °C

Axial Tilt: 42.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.24 AU - 3.42 AU

Year: 2126 Days

Day: 21.7 Hours

Environment

Temp: -89 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.79 AU - 4.45 AU

Year: 2926 Days

Day: 18.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,704,759 km

• M1: 2,313,082 km (0.041 R)

Asteroid Belt

Center: 7.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.9

Radius: 10.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 9.14 AU - 13.37 AU

Year: 13201 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,704,759 km

• M1: 131,197 km (0.113 R)
• M2: 626,516 km (0.09 R)
• M3: 968,048 km (0.085 R)
• M4: 1,353,861 km (0.117 R)
• M5: 1,704,219 km (0.071 R)
• M6: 6,176,447 km (0.068 R)
• M7: 9,307,680 km (0.084 R)
• M8: 10,125,382 km (0.091 R)
• M9: 10,990,208 km (0.058 R)
• M10: 12,621,273 km (0.06 R)
• M11: 15,501,631 km (0.11 R)
• M12: 16,945,250 km (0.081 R)
• M13: 19,504,122 km (0.119 R)
• M14: 22,238,621 km (0.108 R)
• M15: 24,526,421 km (0.096 R)
• M16: 25,219,059 km (0.086 R)
• M17: 26,242,458 km (0.053 R)
• M18: 26,643,231 km (0.059 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 16,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit