🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.57 AU - 0.61 AU

Year: 165 Days

Day: 32.8 Hours

Environment

Temp: 155 °C

Axial Tilt: 43.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,870,541 km

• M1: 51,611 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.77 AU - 0.83 AU

Year: 260 Days

Day: 46.7 Hours

Environment

Temp: 172 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,870,541 km

• M1: 283,787 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.72 AU - 0.88 AU

Year: 260 Days

Day: 20.5 Hours

Environment

Temp: 99 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,870,541 km

• M1: 43,832 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.02 AU - 1.62 AU

Year: 551 Days

Day: 29 Hours

Environment

Temp: 6 °C

Axial Tilt: 9.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.53 AU - 4.27 AU

Year: 2799 Days

Day: 38.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.4

Radius: 12.3

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.85 AU - 7.93 AU

Year: 8055 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,870,541 km

• M1: 370,404 km (0.071 R)
• M2: 1,060,948 km (0.104 R)
• M3: 1,619,397 km (0.094 R)
• M4: 2,590,736 km (0.052 R)
• M5: 3,097,125 km (0.075 R)
• M6: 4,256,957 km (0.067 R)
• M7: 4,644,864 km (0.117 R)
• M8: 10,089,479 km (0.029 R)
• M9: 10,936,352 km (0.116 R)
• M10: 13,349,067 km (0.088 R)
• M11: 14,064,444 km (0.118 R)
• M12: 14,867,934 km (0.107 R)
• M13: 19,731,062 km (0.114 R)
• M14: 23,023,411 km (0.107 R)
• M15: 29,462,702 km (0.064 R)
• M16: 38,065,029 km (0.074 R)
• M17: 40,976,951 km (0.09 R)
• M18: 42,232,975 km (0.082 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 20,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit