🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.52 AU - 0.68 AU

Year: 177 Days

Day: 47.2 Hours

Environment

Temp: 137 °C

Axial Tilt: 24.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,601,998 km

• M1: 38,147 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.69 AU - 1.03 AU

Year: 304 Days

Day: 47.4 Hours

Environment

Temp: 39 °C

Axial Tilt: 16.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.62 AU - 1.66 AU

Year: 800 Days

Day: 44.3 Hours

Environment

Temp: -55 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,601,998 km

• M1: 164,857 km (0.118 R)
• M2: 214,823 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.24 AU - 2.86 AU

Year: 1551 Days

Day: 28.4 Hours

Environment

Temp: -107 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.51 AU - 2.63 AU

Year: 1569 Days

Day: 24.1 Hours

Environment

Temp: -94 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,601,998 km

• M1: 49,816 km (0.114 R)

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.4

Radius: 12.8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.72 AU - 6.8 AU

Year: 6693 Days

Day: 13.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,601,998 km

• M1: 164,408 km (0.106 R)
• M2: 1,053,169 km (0.081 R)
• M3: 1,525,749 km (0.107 R)
• M4: 2,206,120 km (0.044 R)
• M5: 2,702,486 km (0.044 R)
• M6: 3,251,659 km (0.109 R)
• M7: 3,801,581 km (0.117 R)
• M8: 4,202,204 km (0.111 R)
• M9: 8,807,275 km (0.102 R)
• M10: 9,835,013 km (0.055 R)
• M11: 10,547,398 km (0.083 R)
• M12: 11,810,901 km (0.094 R)
• M13: 13,286,236 km (0.112 R)
• M14: 15,693,116 km (0.113 R)
• M15: 18,166,118 km (0.118 R)
• M16: 19,385,341 km (0.047 R)
• M17: 19,977,599 km (0.091 R)
• M18: 22,146,319 km (0.12 R)
• M19: 25,864,574 km (0.108 R)
• M20: 32,193,312 km (0.106 R)
• M21: 36,157,506 km (0.11 R)
• M22: 37,853,497 km (0.091 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 15,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit