🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.44 AU - 0.64 AU

Year: 146 Days

Day: 12.9 Hours

Environment

Temp: 213 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,262,814 km

• M1: 30,967 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.55 AU - 0.83 AU

Year: 211 Days

Day: 44.2 Hours

Environment

Temp: 181 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 33,262,814 km

• M1: 246,836 km (0.074 R)
• M2: 298,747 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.71 AU - 0.91 AU

Year: 269 Days

Day: 45.2 Hours

Environment

Temp: 100 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.94 AU - 1.4 AU

Year: 467 Days

Day: 37.2 Hours

Environment

Temp: -4 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 13.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.29 AU - 8.05 AU

Year: 7084 Days

Day: 12.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,262,814 km

• M1: 172,636 km (0.076 R)
• M2: 739,911 km (0.056 R)
• M3: 1,176,587 km (0.093 R)
• M4: 1,793,978 km (0.116 R)
• M5: 2,571,139 km (0.074 R)
• M6: 3,207,229 km (0.101 R)
• M7: 4,744,496 km (0.091 R)
• M8: 5,440,426 km (0.083 R)
• M9: 6,695,103 km (0.029 R)
• M10: 7,719,699 km (0.108 R)
• M11: 8,289,368 km (0.06 R)
• M12: 9,991,193 km (0.103 R)
• M13: 14,755,287 km (0.085 R)
• M14: 15,814,739 km (0.113 R)
• M15: 16,861,475 km (0.108 R)
• M16: 18,685,372 km (0.051 R)
• M17: 19,575,480 km (0.106 R)
• M18: 28,903,057 km (0.104 R)
• M19: 29,357,236 km (0.108 R)
• M20: 30,093,706 km (0.083 R)
• M21: 30,560,302 km (0.093 R)
• M22: 31,988,961 km (0.102 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: 472 - 13,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit