🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.22 AU - 1.44 AU

Year: 450 Days

Day: 43.1 Hours

Environment

Temp: 176 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.14 AU - 1.66 AU

Year: 486 Days

Day: 47.7 Hours

Environment

Temp: 218 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,044,490 km

• M1: 733,628 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.84 AU - 2 AU

Year: 781 Days

Day: 46.5 Hours

Environment

Temp: 151 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 39,044,490 km

• M1: 150,795 km (0.093 R)
• M2: 480,359 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.57 AU - 2.47 AU

Year: 842 Days

Day: 36.5 Hours

Environment

Temp: 64 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.87 AU - 2.71 AU

Year: 1017 Days

Day: 42.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 39,044,490 km

• M1: 119,529 km (0.088 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4 AU - 5.64 AU

Year: 3105 Days

Day: 31 Hours

Environment

Temp: -85 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 15

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 10.87 AU - 14.55 AU

Year: 13294 Days

Day: 12.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,044,490 km

• M1: 772,075 km (0.106 R)
• M2: 1,310,926 km (0.101 R)
• M3: 1,910,365 km (0.111 R)
• M4: 2,943,787 km (0.086 R)
• M5: 6,004,410 km (0.103 R)
• M6: 10,089,180 km (0.114 R)
• M7: 12,297,244 km (0.1 R)
• M8: 17,379,233 km (0.113 R)
• M9: 26,757,524 km (0.073 R)
• M10: 27,395,858 km (0.099 R)
• M11: 32,051,045 km (0.07 R)
• M12: 38,349,265 km (0.081 R)

Kuiper Belt

Range: 37.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 16,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit