🌌 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: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.79 AU - 0.79 AU

Year: 246 Days

Day: 14.2 Hours

Environment

Temp: 158 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1 AU - 1.1 AU

Year: 376 Days

Day: 45.2 Hours

Environment

Temp: 97 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 69,706,890 km

• M1: 136,583 km (0.11 R)
• M2: 156,779 km (0.044 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.18 AU - 2.32 AU

Year: 1181 Days

Day: 31.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,706,890 km

• M1: 71,209 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.4

Radius: 6.5

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.68 AU - 15.12 AU

Year: 17161 Days

Day: 21.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,706,890 km

• M1: 86,767 km (0.04 R)
• M2: 311,164 km (0.116 R)
• M3: 972,985 km (0.089 R)
• M4: 1,290,581 km (0.084 R)
• M5: 3,931,582 km (0.083 R)
• M6: 4,147,751 km (0.112 R)
• M7: 4,604,024 km (0.091 R)
• M8: 5,093,359 km (0.037 R)
• M9: 5,578,056 km (0.078 R)
• M10: 6,596,219 km (0.11 R)
• M11: 8,941,764 km (0.059 R)
• M12: 11,664,894 km (0.119 R)
• M13: 16,118,871 km (0.09 R)
• M14: 20,556,393 km (0.107 R)
• M15: 24,790,761 km (0.082 R)
• M16: 27,389,725 km (0.046 R)
• M17: 35,462,624 km (0.107 R)
• M18: 42,239,108 km (0.098 R)
• M19: 47,045,389 km (0.063 R)
• M20: 54,297,744 km (0.101 R)
• M21: 55,365,574 km (0.112 R)
• M22: 59,400,228 km (0.102 R)
• M23: 64,020,558 km (0.106 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 15,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit