🌌 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: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.41 AU - 0.67 AU

Year: 146 Days

Day: 23.4 Hours

Environment

Temp: 173 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.7 AU - 2.7 AU

Year: 1204 Days

Day: 33.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.12 AU - 2.4 AU

Year: 1254 Days

Day: 40.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.6

Radius: 6.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 12.65 AU - 13.01 AU

Year: 16956 Days

Day: 24.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 57.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,332,266 km

• M1: 139,724 km (0.082 R)
• M2: 884,123 km (0.072 R)
• M3: 1,548,188 km (0.061 R)
• M4: 2,536,432 km (0.113 R)
• M5: 3,626,552 km (0.097 R)
• M6: 4,144,459 km (0.086 R)
• M7: 4,633,794 km (0.11 R)
• M8: 7,604,209 km (0.066 R)
• M9: 9,688,556 km (0.078 R)
• M10: 10,416,500 km (0.105 R)
• M11: 11,505,423 km (0.072 R)
• M12: 12,618,431 km (0.064 R)
• M13: 13,278,307 km (0.103 R)
• M14: 13,485,799 km (0.099 R)
• M15: 16,987,437 km (0.094 R)
• M16: 18,171,055 km (0.102 R)
• M17: 18,946,271 km (0.072 R)
• M18: 24,531,657 km (0.088 R)
• M19: 25,001,843 km (0.082 R)
• M20: 27,696,251 km (0.101 R)
• M21: 28,291,650 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 14,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit