🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.57 AU - 0.71 AU

Year: 192 Days

Day: 23.6 Hours

Environment

Temp: 204 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.66 AU - 0.86 AU

Year: 248 Days

Day: 15.4 Hours

Environment

Temp: 168 °C

Axial Tilt: 50 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,614,500 km

• M1: 77,940 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.76 AU - 0.86 AU

Year: 273 Days

Day: 30.5 Hours

Environment

Temp: 169 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,614,500 km

• M1: 223,499 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.11 AU - 1.37 AU

Year: 517 Days

Day: 29.9 Hours

Environment

Temp: -23 °C

Axial Tilt: 26.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.31 AU - 2.03 AU

Year: 809 Days

Day: 13 Hours

Environment

Temp: -51 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 14.6

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.06 AU - 9.68 AU

Year: 10748 Days

Day: 8.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,614,500 km

• M1: 183,557 km (0.09 R)
• M2: 2,192,806 km (0.113 R)
• M3: 4,912,196 km (0.096 R)
• M4: 9,165,712 km (0.059 R)
• M5: 11,200,542 km (0.107 R)
• M6: 12,820,538 km (0.063 R)
• M7: 19,869,888 km (0.107 R)
• M8: 24,373,981 km (0.088 R)
• M9: 29,610,355 km (0.102 R)
• M10: 31,900,100 km (0.112 R)
• M11: 32,987,976 km (0.085 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 13,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit