🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.53 AU - 0.61 AU

Year: 154 Days

Day: 22.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.03 AU - 1.61 AU

Year: 543 Days

Day: 14.1 Hours

Environment

Temp: -8 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 27,352,128 km

• M1: 508,932 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.31 AU - 1.51 AU

Year: 600 Days

Day: 17.3 Hours

Environment

Temp: -7 °C

Axial Tilt: 38.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.67 AU - 3.41 AU

Year: 1898 Days

Day: 25.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.64 AU - 3.8 AU

Year: 2069 Days

Day: 39.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.86 AU - 3.96 AU

Year: 2255 Days

Day: 24 Hours

Environment

Temp: -117 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.77 AU - 5.31 AU

Year: 3465 Days

Day: 23.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.5

Radius: 11.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.21 AU - 6.67 AU

Year: 5853 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,352,128 km

• M1: 143,464 km (0.051 R)
• M2: 561,890 km (0.088 R)
• M3: 984,204 km (0.06 R)
• M4: 1,369,419 km (0.091 R)
• M5: 1,793,379 km (0.094 R)
• M6: 2,157,800 km (0.082 R)
• M7: 2,604,798 km (0.083 R)
• M8: 3,923,803 km (0.117 R)
• M9: 4,818,697 km (0.105 R)
• M10: 5,260,908 km (0.092 R)
• M11: 8,510,174 km (0.116 R)
• M12: 11,805,815 km (0.1 R)
• M13: 14,763,814 km (0.117 R)
• M14: 15,700,297 km (0.115 R)
• M15: 16,911,441 km (0.104 R)
• M16: 19,846,102 km (0.082 R)
• M17: 24,442,198 km (0.094 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 17,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit