🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.51 AU - 0.55 AU

Year: 253 Days

Day: 26 Hours

Environment

Temp: -127 °C

Axial Tilt: 106.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.54 AU - 0.7 AU

Year: 320 Days

Day: 13.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 5,438,686 km

• M1: 56,997 km (0.051 R)
• M2: 367,712 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 14.2

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.84 AU - 1 AU

Year: 579 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 5,438,686 km

• M1: 176,825 km (0.079 R)
• M2: 675,584 km (0.106 R)
• M3: 1,240,914 km (0.119 R)
• M4: 1,745,059 km (0.118 R)
• M5: 2,291,690 km (0.107 R)
• M6: 3,665,597 km (0.118 R)
• M7: 5,083,934 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 10,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit