🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.54 AU - 0.68 AU

Year: 175 Days

Day: 30.5 Hours

Environment

Temp: 134 °C

Axial Tilt: 22.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.76 AU - 0.96 AU

Year: 293 Days

Day: 28.5 Hours

Environment

Temp: 83 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.46 AU - 1.58 AU

Year: 688 Days

Day: 37.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.52 AU - 2.38 AU

Year: 1000 Days

Day: 25.4 Hours

Environment

Temp: -61 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.18 AU - 3.34 AU

Year: 2161 Days

Day: 23.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.51 AU - 4.65 AU

Year: 3025 Days

Day: 38.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.26 AU - 4.66 AU

Year: 3458 Days

Day: 38.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.6

Radius: 8.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.95 AU - 8.55 AU

Year: 8699 Days

Day: 10.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,089,381 km

• M1: 110,702 km (0.088 R)
• M2: 582,833 km (0.025 R)
• M3: 1,005,447 km (0.115 R)
• M4: 1,444,816 km (0.095 R)
• M5: 1,907,373 km (0.1 R)
• M6: 2,363,497 km (0.114 R)
• M7: 3,868,003 km (0.058 R)
• M8: 6,458,290 km (0.064 R)
• M9: 10,701,932 km (0.075 R)
• M10: 11,363,753 km (0.08 R)
• M11: 12,998,409 km (0.042 R)
• M12: 13,371,506 km (0.056 R)
• M13: 13,751,784 km (0.106 R)
• M14: 15,814,888 km (0.088 R)
• M15: 17,846,428 km (0.088 R)
• M16: 18,191,550 km (0.11 R)
• M17: 21,957,826 km (0.038 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 15,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit