🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.55 AU - 0.57 AU

Year: 153 Days

Day: 31.9 Hours

Environment

Temp: 242 °C

Axial Tilt: 42.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.63 AU - 0.93 AU

Year: 252 Days

Day: 33 Hours

Environment

Temp: 135 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.76 AU - 1.22 AU

Year: 360 Days

Day: 33.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.92 AU - 2.5 AU

Year: 1200 Days

Day: 22.8 Hours

Environment

Temp: -72 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.1

Radius: 12.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.55 AU - 7.73 AU

Year: 6249 Days

Day: 13.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,299,562 km

• M1: 158,275 km (0.095 R)
• M2: 1,793,828 km (0.116 R)
• M3: 3,084,259 km (0.064 R)
• M4: 3,637,622 km (0.064 R)
• M5: 4,393,241 km (0.045 R)
• M6: 9,323,687 km (0.082 R)
• M7: 9,913,552 km (0.089 R)
• M8: 12,620,376 km (0.082 R)
• M9: 13,244,947 km (0.097 R)
• M10: 16,911,740 km (0.1 R)
• M11: 18,822,554 km (0.037 R)
• M12: 20,939,663 km (0.117 R)
• M13: 22,021,255 km (0.08 R)
• M14: 24,003,427 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.6

Radius: 12.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.55 AU - 8.13 AU

Year: 6534 Days

Day: 12 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,299,562 km

• M1: 156,629 km (0.06 R)
• M2: 600,486 km (0.096 R)
• M3: 1,143,526 km (0.081 R)
• M4: 1,986,809 km (0.09 R)
• M5: 3,074,236 km (0.096 R)
• M6: 3,932,330 km (0.055 R)
• M7: 4,923,416 km (0.063 R)
• M8: 7,154,967 km (0.092 R)
• M9: 9,151,500 km (0.062 R)
• M10: 10,848,987 km (0.103 R)
• M11: 14,214,790 km (0.082 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 19,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit