🌌 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: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.54 AU - 0.56 AU

Year: 149 Days

Day: 39.3 Hours

Environment

Temp: 179 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.63 AU - 0.65 AU

Year: 187 Days

Day: 29.7 Hours

Environment

Temp: 223 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.68 AU - 1.1 AU

Year: 307 Days

Day: 46.2 Hours

Environment

Temp: 117 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 9,634,973 km

• M1: 62,382 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.6 AU - 2.5 AU

Year: 1072 Days

Day: 17.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,634,973 km

• M1: 38,895 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.76 AU - 3.14 AU

Year: 1851 Days

Day: 44.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,634,973 km

• M1: 1,322,894 km (0.096 R)

Asteroid Belt

Center: 4.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.1

Radius: 10.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.61 AU - 6.23 AU

Year: 5261 Days

Day: 10.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 9,634,973 km

• M1: 132,245 km (0.104 R)
• M2: 560,543 km (0.097 R)
• M3: 1,150,258 km (0.115 R)
• M4: 2,014,934 km (0.064 R)
• M5: 2,451,909 km (0.088 R)
• M6: 3,561,925 km (0.061 R)
• M7: 5,390,759 km (0.112 R)
• M8: 6,261,120 km (0.097 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: 316 - 10,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit