🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.49 AU - 0.55 AU

Year: 141 Days

Day: 38.6 Hours

Environment

Temp: 198 °C

Axial Tilt: 48.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.54 AU - 0.66 AU

Year: 174 Days

Day: 46.2 Hours

Environment

Temp: 148 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 196 Days

Day: 45.1 Hours

Environment

Temp: 130 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.79 AU - 0.93 AU

Year: 299 Days

Day: 28.9 Hours

Environment

Temp: 71 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,224,917 km

• M1: 87,216 km (0.029 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.98 AU - 1.4 AU

Year: 486 Days

Day: 19.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.53 AU - 5.05 AU

Year: 3330 Days

Day: 46.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.3

Radius: 9.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.85 AU - 6.45 AU

Year: 5715 Days

Day: 7.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,224,917 km

• M1: 120,576 km (0.101 R)
• M2: 508,034 km (0.049 R)
• M3: 914,342 km (0.035 R)
• M4: 1,326,185 km (0.045 R)
• M5: 1,914,254 km (0.114 R)
• M6: 2,483,325 km (0.085 R)
• M7: 2,898,459 km (0.099 R)
• M8: 3,846,610 km (0.038 R)
• M9: 4,284,184 km (0.108 R)
• M10: 5,096,051 km (0.069 R)
• M11: 6,220,429 km (0.075 R)
• M12: 6,565,701 km (0.092 R)
• M13: 7,260,284 km (0.039 R)
• M14: 7,894,130 km (0.106 R)
• M15: 8,412,187 km (0.103 R)
• M16: 8,718,265 km (0.106 R)
• M17: 9,475,380 km (0.108 R)
• M18: 11,303,615 km (0.114 R)
• M19: 12,796,153 km (0.084 R)
• M20: 13,668,159 km (0.058 R)
• M21: 14,361,545 km (0.104 R)
• M22: 17,556,357 km (0.076 R)
• M23: 18,057,510 km (0.088 R)
• M24: 19,154,063 km (0.096 R)
• M25: 21,621,829 km (0.054 R)
• M26: 24,838,333 km (0.104 R)
• M27: 27,346,042 km (0.087 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 12,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit