🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.53 AU - 0.73 AU

Year: 176 Days

Day: 35 Hours

Environment

Temp: 242 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 10,154,102 km

• M1: 43,383 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.74 AU - 0.78 AU

Year: 233 Days

Day: 45.6 Hours

Environment

Temp: 140 °C

Axial Tilt: 95.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.04 AU - 1.4 AU

Year: 474 Days

Day: 25.7 Hours

Environment

Temp: 22 °C

Axial Tilt: 28.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.55 AU - 2.45 AU

Year: 994 Days

Day: 26.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.36 AU - 2.52 AU

Year: 1340 Days

Day: 29.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 10,154,102 km

• M1: 919,279 km (0.06 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.67 AU - 4.43 AU

Year: 2351 Days

Day: 19.5 Hours

Environment

Temp: -95 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.14 AU - 5.78 AU

Year: 4484 Days

Day: 44.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.3

Radius: 8.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.87 AU - 7.89 AU

Year: 5664 Days

Day: 14.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 10,154,102 km

• M1: 116,836 km (0.09 R)
• M2: 544,087 km (0.04 R)
• M3: 912,397 km (0.066 R)
• M4: 2,639,505 km (0.034 R)
• M5: 3,276,642 km (0.026 R)
• M6: 5,039,204 km (0.081 R)
• M7: 8,638,978 km (0.101 R)

Kuiper Belt

Range: 31.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 11,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit