🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.56 AU - 0.6 AU

Year: 156 Days

Day: 13.3 Hours

Environment

Temp: 189 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,294,613 km

• M1: 367,712 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.44 AU - 1.5 AU

Year: 629 Days

Day: 15.7 Hours

Environment

Temp: -20 °C

Axial Tilt: 23.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.59 AU - 2.55 AU

Year: 1052 Days

Day: 23.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.98 AU - 2.16 AU

Year: 1052 Days

Day: 25.2 Hours

Environment

Temp: -61 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,294,613 km

• M1: 71,358 km (0.089 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.09 AU - 4.51 AU

Year: 2616 Days

Day: 45.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.95 AU - 4.77 AU

Year: 2678 Days

Day: 42.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 42 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,294,613 km

• M1: 379,979 km (0.091 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.47 AU - 4.55 AU

Year: 3382 Days

Day: 37.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.6

Radius: 11.3

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.66 AU - 7.2 AU

Year: 5757 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,294,613 km

• M1: 140,472 km (0.118 R)
• M2: 598,840 km (0.065 R)
• M3: 1,455,138 km (0.118 R)
• M4: 1,860,998 km (0.058 R)
• M5: 2,262,369 km (0.11 R)
• M6: 7,337,626 km (0.085 R)
• M7: 10,703,877 km (0.118 R)
• M8: 12,670,491 km (0.051 R)
• M9: 16,673,730 km (0.104 R)
• M10: 17,115,492 km (0.105 R)
• M11: 18,757,030 km (0.102 R)
• M12: 27,240,725 km (0.108 R)
• M13: 28,566,013 km (0.049 R)
• M14: 29,017,200 km (0.058 R)
• M15: 30,119,437 km (0.117 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 15,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit