🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.83 AU - 1.17 AU

Year: 362 Days

Day: 16.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 24.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.9 AU - 1.46 AU

Year: 464 Days

Day: 38 Hours

Environment

Temp: 27 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.28 AU - 1.78 AU

Year: 684 Days

Day: 32.4 Hours

Environment

Temp: -45 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,647,904 km

• M1: 125,961 km (0.05 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.58 AU - 1.66 AU

Year: 746 Days

Day: 39.9 Hours

Environment

Temp: -37 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.96 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.21 AU - 2.37 AU

Year: 1253 Days

Day: 42.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.22 AU - 2.38 AU

Year: 1261 Days

Day: 28.4 Hours

Environment

Temp: -72 °C

Axial Tilt: 47.5 °

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: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.36 AU - 3.84 AU

Year: 2470 Days

Day: 40.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,647,904 km

• M1: 1,794,726 km (0.114 R)

Asteroid Belt

Center: 4.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.4

Radius: 8.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.12 AU - 6.94 AU

Year: 5355 Days

Day: 9.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,647,904 km

• M1: 110,702 km (0.084 R)
• M2: 437,125 km (0.032 R)
• M3: 899,682 km (0.112 R)
• M4: 1,621,641 km (0.073 R)
• M5: 2,843,856 km (0.099 R)
• M6: 3,532,155 km (0.068 R)
• M7: 5,940,531 km (0.078 R)
• M8: 10,735,293 km (0.025 R)
• M9: 11,681,499 km (0.088 R)
• M10: 13,790,979 km (0.064 R)
• M11: 14,583,100 km (0.074 R)
• M12: 17,748,441 km (0.11 R)
• M13: 24,702,947 km (0.071 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 19,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit