🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.47 AU - 0.61 AU

Year: 149 Days

Day: 12.5 Hours

Environment

Temp: 205 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,688,894 km

• M1: 41,139 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.71 AU - 0.79 AU

Year: 243 Days

Day: 12.3 Hours

Environment

Temp: 121 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.66 AU - 1.1 AU

Year: 309 Days

Day: 26.5 Hours

Environment

Temp: 37 °C

Axial Tilt: 11.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.98 AU - 1.3 AU

Year: 456 Days

Day: 24.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,688,894 km

• M1: 87,365 km (0.05 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.39 AU - 2.71 AU

Year: 1526 Days

Day: 22.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,688,894 km

• M1: 44,131 km (0.098 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.42 AU - 2.76 AU

Year: 1562 Days

Day: 12.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.38 AU - 3.82 AU

Year: 2560 Days

Day: 15.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.8

Radius: 14.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.44 AU - 7.7 AU

Year: 7045 Days

Day: 9.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,688,894 km

• M1: 177,423 km (0.072 R)
• M2: 808,277 km (0.095 R)
• M3: 1,849,179 km (0.111 R)
• M4: 2,796,583 km (0.113 R)
• M5: 3,977,209 km (0.09 R)
• M6: 4,642,321 km (0.105 R)
• M7: 5,154,095 km (0.092 R)
• M8: 5,644,028 km (0.116 R)
• M9: 6,453,802 km (0.086 R)
• M10: 7,093,482 km (0.098 R)
• M11: 8,818,944 km (0.111 R)
• M12: 10,443,876 km (0.039 R)
• M13: 11,137,412 km (0.102 R)
• M14: 11,665,343 km (0.096 R)
• M15: 14,335,665 km (0.108 R)
• M16: 16,947,494 km (0.111 R)
• M17: 29,483,945 km (0.069 R)
• M18: 32,010,952 km (0.107 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 17,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit