🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.77 AU - 0.81 AU

Year: 260 Days

Day: 17.6 Hours

Environment

Temp: 161 °C

Axial Tilt: 11.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.7 AU - 1 AU

Year: 291 Days

Day: 30.9 Hours

Environment

Temp: 159 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.91 AU - 1.17 AU

Year: 393 Days

Day: 45.6 Hours

Environment

Temp: 18 °C

Axial Tilt: 4.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1 AU - 1.2 AU

Year: 428 Days

Day: 15.4 Hours

Environment

Temp: 11 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 12.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.51 AU - 6.05 AU

Year: 5153 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,716,538 km

• M1: 152,141 km (0.062 R)
• M2: 612,454 km (0.088 R)
• M3: 1,648,120 km (0.111 R)
• M4: 2,233,197 km (0.096 R)
• M5: 3,104,006 km (0.119 R)
• M6: 3,846,161 km (0.092 R)
• M7: 4,236,163 km (0.052 R)
• M8: 4,884,071 km (0.073 R)
• M9: 5,342,738 km (0.073 R)
• M10: 6,039,416 km (0.025 R)
• M11: 7,027,809 km (0.08 R)
• M12: 8,458,862 km (0.104 R)
• M13: 9,446,956 km (0.069 R)
• M14: 9,990,445 km (0.09 R)
• M15: 14,019,864 km (0.033 R)
• M16: 15,516,441 km (0.082 R)
• M17: 18,436,142 km (0.059 R)
• M18: 19,687,080 km (0.104 R)
• M19: 20,367,750 km (0.054 R)
• M20: 21,489,285 km (0.075 R)
• M21: 23,932,219 km (0.115 R)
• M22: 24,473,164 km (0.089 R)
• M23: 24,943,500 km (0.075 R)
• M24: 27,638,506 km (0.117 R)
• M25: 29,363,220 km (0.084 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: 277 - 12,798 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit