🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.67 AU - 1.01 AU

Year: 222 Days

Day: 29.3 Hours

Environment

Temp: 243 °C

Axial Tilt: 6.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.99 AU - 1.47 AU

Year: 393 Days

Day: 19.6 Hours

Environment

Temp: 168 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,711,771 km

• M1: 28,424 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.87 AU - 1.89 AU

Year: 742 Days

Day: 43.2 Hours

Environment

Temp: 112 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.77 AU - 3.29 AU

Year: 1518 Days

Day: 37.7 Hours

Environment

Temp: -2 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Gas Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.4

Radius: 9.4

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 11.86 AU - 15.78 AU

Year: 14789 Days

Day: 6.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,711,771 km

• M1: 117,434 km (0.109 R)
• M2: 566,228 km (0.117 R)
• M3: 1,504,955 km (0.086 R)
• M4: 2,216,292 km (0.063 R)
• M5: 2,991,359 km (0.095 R)
• M6: 3,363,708 km (0.053 R)
• M7: 3,995,011 km (0.115 R)
• M8: 4,867,765 km (0.092 R)
• M9: 6,611,029 km (0.055 R)
• M10: 6,944,632 km (0.118 R)
• M11: 9,658,338 km (0.101 R)
• M12: 11,696,758 km (0.106 R)
• M13: 12,185,943 km (0.03 R)
• M14: 18,423,277 km (0.117 R)
• M15: 22,545,895 km (0.1 R)
• M16: 24,572,049 km (0.11 R)
• M17: 26,611,666 km (0.066 R)
• M18: 26,927,168 km (0.111 R)
• M19: 28,651,732 km (0.092 R)
• M20: 34,141,824 km (0.105 R)
• M21: 39,607,383 km (0.092 R)
• M22: 45,779,492 km (0.064 R)
• M23: 47,764,506 km (0.08 R)

Kuiper Belt

Range: 38.1 - 67.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 17,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit