🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.49 AU - 0.55 AU

Year: 138 Days

Day: 43.5 Hours

Environment

Temp: 157 °C

Axial Tilt: 25.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.53 AU - 0.61 AU

Year: 159 Days

Day: 20.8 Hours

Environment

Temp: 169 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.57 AU - 0.65 AU

Year: 176 Days

Day: 23.2 Hours

Environment

Temp: 211 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.39 AU - 4.39 AU

Year: 2831 Days

Day: 32.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,115,571 km

• M1: 686,205 km (0.04 R)
• M2: 1,256,473 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.2

Radius: 14.2

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.69 AU - 10.93 AU

Year: 11337 Days

Day: 9.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,115,571 km

• M1: 176,675 km (0.118 R)
• M2: 825,481 km (0.064 R)
• M3: 1,345,184 km (0.063 R)
• M4: 2,477,939 km (0.09 R)
• M5: 3,317,931 km (0.102 R)
• M6: 5,081,092 km (0.089 R)
• M7: 5,732,740 km (0.066 R)
• M8: 7,404,795 km (0.119 R)
• M9: 7,901,161 km (0.105 R)
• M10: 9,287,634 km (0.088 R)
• M11: 10,519,573 km (0.1 R)
• M12: 10,988,861 km (0.114 R)
• M13: 11,913,526 km (0.089 R)
• M14: 13,856,204 km (0.108 R)
• M15: 14,484,664 km (0.089 R)
• M16: 15,131,974 km (0.104 R)
• M17: 15,663,645 km (0.057 R)
• M18: 16,345,811 km (0.079 R)
• M19: 18,967,065 km (0.086 R)
• M20: 22,025,893 km (0.101 R)
• M21: 24,299,631 km (0.084 R)
• M22: 28,799,984 km (0.119 R)
• M23: 30,450,946 km (0.107 R)
• M24: 40,548,054 km (0.117 R)
• M25: 43,149,112 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 17,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit