🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.67 AU - 0.77 AU

Year: 219 Days

Day: 24.8 Hours

Environment

Temp: 160 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1 AU - 1.14 AU

Year: 396 Days

Day: 22.3 Hours

Environment

Temp: 31 °C

Axial Tilt: 45.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.23 AU - 1.25 AU

Year: 495 Days

Day: 20.9 Hours

Environment

Temp: 16 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.37 AU - 2.05 AU

Year: 801 Days

Day: 12.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.37 AU - 3.07 AU

Year: 1607 Days

Day: 44.3 Hours

Environment

Temp: -88 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.51 AU - 3.99 AU

Year: 2098 Days

Day: 23.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 12.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161

Radius: 5.1

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 12.55 AU - 13.21 AU

Year: 16556 Days

Day: 20.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 128.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,397,756 km

• M1: 83,775 km (0.081 R)
• M2: 663,915 km (0.09 R)
• M3: 1,113,756 km (0.116 R)
• M4: 1,731,446 km (0.092 R)
• M5: 2,788,953 km (0.109 R)
• M6: 4,663,265 km (0.048 R)
• M7: 15,685,038 km (0.081 R)
• M8: 16,745,238 km (0.09 R)
• M9: 18,351,769 km (0.105 R)
• M10: 19,229,460 km (0.059 R)
• M11: 25,537,553 km (0.044 R)
• M12: 26,354,358 km (0.086 R)
• M13: 36,633,377 km (0.09 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 16,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit