🌌 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: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.55 AU - 0.65 AU

Year: 296 Days

Day: 36.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 10,867,827 km

• M1: 625,768 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.66 AU - 0.68 AU

Year: 349 Days

Day: 27.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.1

Radius: 10.5

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.62 AU - 1 AU

Year: 464 Days

Day: 9.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 10,867,827 km

• M1: 130,599 km (0.111 R)
• M2: 511,924 km (0.114 R)
• M3: 1,009,038 km (0.082 R)
• M4: 1,433,746 km (0.098 R)
• M5: 2,030,791 km (0.106 R)

Asteroid Belt

Center: 1.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.8

Radius: 10.4

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.03 AU - 1.65 AU

Year: 986 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 10,867,827 km

• M1: 129,402 km (0.103 R)
• M2: 566,527 km (0.051 R)
• M3: 1,287,439 km (0.107 R)
• M4: 1,782,907 km (0.116 R)
• M5: 2,202,978 km (0.055 R)
• M6: 2,651,622 km (0.11 R)
• M7: 3,230,716 km (0.05 R)
• M8: 3,718,704 km (0.111 R)
• M9: 4,445,600 km (0.098 R)
• M10: 4,769,180 km (0.103 R)
• M11: 5,304,142 km (0.081 R)
• M12: 5,899,841 km (0.12 R)
• M13: 7,648,790 km (0.09 R)
• M14: 7,983,889 km (0.059 R)
• M15: 9,899,789 km (0.113 R)
• M16: 10,675,753 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 15,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit