🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.54 AU - 0.66 AU

Year: 300 Days

Day: 26.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 3,529,802 km

• M1: 206,445 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.5

Radius: 14.2

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.63 AU - 0.89 AU

Year: 428 Days

Day: 10 Hours

Environment

Temp: -142 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 3,529,802 km

• M1: 176,675 km (0.116 R)
• M2: 639,082 km (0.118 R)
• M3: 1,218,774 km (0.094 R)
• M4: 2,503,221 km (0.071 R)
• M5: 3,151,728 km (0.115 R)
• M6: 3,967,784 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79

Radius: 14.1

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.88 AU - 1 AU

Year: 588 Days

Day: 12.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 3,529,802 km

• M1: 178,620 km (0.054 R)
• M2: 727,345 km (0.117 R)
• M3: 1,184,217 km (0.044 R)
• M4: 1,688,960 km (0.081 R)
• M5: 2,369,032 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 18,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit