🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.61 AU - 0.77 AU

Year: 211 Days

Day: 22.8 Hours

Environment

Temp: 139 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.6 AU - 0.84 AU

Year: 225 Days

Day: 28.6 Hours

Environment

Temp: 108 °C

Axial Tilt: 45.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,396,730 km

• M1: 69,563 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.29 AU - 2.31 AU

Year: 1287 Days

Day: 18.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,396,730 km

• M1: 175,478 km (0.057 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.19 AU - 3.33 AU

Year: 2172 Days

Day: 21.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,396,730 km

• M1: 560,094 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.42 AU - 4.66 AU

Year: 2996 Days

Day: 38.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.96 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.2

Radius: 8.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 11.73 AU - 12.01 AU

Year: 15089 Days

Day: 6.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,396,730 km

• M1: 109,655 km (0.073 R)
• M2: 399,426 km (0.118 R)
• M3: 887,564 km (0.112 R)
• M4: 1,369,269 km (0.102 R)
• M5: 1,742,366 km (0.097 R)
• M6: 2,755,443 km (0.094 R)
• M7: 6,369,429 km (0.085 R)
• M8: 6,731,306 km (0.119 R)
• M9: 7,858,675 km (0.107 R)
• M10: 8,148,596 km (0.089 R)
• M11: 8,662,614 km (0.078 R)
• M12: 10,187,615 km (0.045 R)
• M13: 15,117,014 km (0.116 R)
• M14: 19,264,915 km (0.1 R)
• M15: 20,879,674 km (0.057 R)
• M16: 40,768,861 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 11,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit