🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.72 AU - 1.04 AU

Year: 287 Days

Day: 40.8 Hours

Environment

Temp: 197 °C

Axial Tilt: 8.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1 AU - 1.02 AU

Year: 353 Days

Day: 19.2 Hours

Environment

Temp: 165 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.45 AU - 1.45 AU

Year: 608 Days

Day: 16.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 35,877,150 km

• M1: 62,682 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.6 AU - 2.16 AU

Year: 898 Days

Day: 23.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.54 AU - 2.52 AU

Year: 1007 Days

Day: 24.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,877,150 km

• M1: 893,698 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.99 AU - 3.51 AU

Year: 2040 Days

Day: 37.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.07 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.1

Radius: 10.9

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.66 AU - 7.12 AU

Year: 6298 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,877,150 km

• M1: 135,536 km (0.059 R)
• M2: 599,439 km (0.095 R)
• M3: 1,231,490 km (0.072 R)
• M4: 1,721,124 km (0.098 R)
• M5: 2,065,947 km (0.108 R)
• M6: 2,423,037 km (0.084 R)
• M7: 3,591,845 km (0.118 R)
• M8: 4,418,224 km (0.118 R)
• M9: 5,763,557 km (0.09 R)
• M10: 6,147,126 km (0.119 R)
• M11: 7,551,102 km (0.071 R)
• M12: 7,894,429 km (0.106 R)
• M13: 10,837,169 km (0.097 R)
• M14: 11,979,349 km (0.1 R)
• M15: 13,587,526 km (0.118 R)
• M16: 14,443,525 km (0.092 R)
• M17: 14,914,459 km (0.107 R)
• M18: 16,325,915 km (0.102 R)
• M19: 18,572,875 km (0.109 R)
• M20: 19,698,449 km (0.111 R)
• M21: 25,673,538 km (0.117 R)
• M22: 26,278,063 km (0.099 R)
• M23: 27,515,836 km (0.087 R)
• M24: 31,560,214 km (0.07 R)
• M25: 33,878,383 km (0.114 R)
• M26: 34,815,613 km (0.08 R)

Kuiper Belt

Range: 31.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 10,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit