🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.65 AU - 0.69 AU

Year: 195 Days

Day: 36.1 Hours

Environment

Temp: 145 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.73 AU - 0.85 AU

Year: 250 Days

Day: 31.7 Hours

Environment

Temp: 159 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.23 AU - 1.49 AU

Year: 565 Days

Day: 42.1 Hours

Environment

Temp: -4 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.96 AU - 5.28 AU

Year: 3540 Days

Day: 20.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.14 AU - 6.2 AU

Year: 4190 Days

Day: 20.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,250,277 km

• M1: 153,787 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 8.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.57 AU - 6.05 AU

Year: 4362 Days

Day: 11.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,250,277 km

• M1: 110,852 km (0.094 R)
• M2: 479,611 km (0.048 R)
• M3: 987,645 km (0.059 R)
• M4: 2,367,087 km (0.083 R)
• M5: 4,734,922 km (0.087 R)
• M6: 5,265,247 km (0.094 R)
• M7: 5,807,838 km (0.106 R)
• M8: 6,647,232 km (0.112 R)
• M9: 7,343,759 km (0.066 R)
• M10: 19,158,999 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.4

Radius: 11.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.33 AU - 11.65 AU

Year: 12986 Days

Day: 6.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,250,277 km

• M1: 174,581 km (0.04 R)
• M2: 616,493 km (0.058 R)
• M3: 1,124,976 km (0.098 R)
• M4: 1,528,591 km (0.109 R)
• M5: 2,254,141 km (0.098 R)
• M6: 2,659,252 km (0.064 R)
• M7: 6,113,467 km (0.063 R)
• M8: 8,295,052 km (0.095 R)
• M9: 11,101,359 km (0.115 R)
• M10: 11,813,295 km (0.093 R)
• M11: 15,965,833 km (0.049 R)
• M12: 19,148,079 km (0.063 R)
• M13: 26,918,042 km (0.054 R)
• M14: 28,860,421 km (0.114 R)
• M15: 32,609,793 km (0.063 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 10,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit