🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.13 AU - 1.51 AU

Year: 551 Days

Day: 14.6 Hours

Environment

Temp: -18 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.33 AU - 1.59 AU

Year: 641 Days

Day: 22.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,555,351 km

• M1: 30,967 km (0.118 R)
• M2: 664,813 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.28 AU - 1.98 AU

Year: 756 Days

Day: 33 Hours

Environment

Temp: -48 °C

Axial Tilt: 95.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,555,351 km

• M1: 35,455 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.25 AU - 2.79 AU

Year: 1454 Days

Day: 15.1 Hours

Environment

Temp: -92 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.15 AU - 4.57 AU

Year: 2756 Days

Day: 28.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,555,351 km

• M1: 263,891 km (0.066 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.3 AU - 4.7 AU

Year: 2907 Days

Day: 16.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 7.6 °

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: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.15 AU - 4.93 AU

Year: 3516 Days

Day: 47.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 12.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.87 AU - 8.91 AU

Year: 9633 Days

Day: 8.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,555,351 km

• M1: 154,684 km (0.101 R)
• M2: 643,720 km (0.116 R)
• M3: 1,279,959 km (0.09 R)
• M4: 2,088,087 km (0.073 R)
• M5: 4,568,121 km (0.104 R)
• M6: 5,301,001 km (0.108 R)
• M7: 6,242,570 km (0.052 R)
• M8: 9,429,752 km (0.081 R)
• M9: 10,057,914 km (0.051 R)
• M10: 11,751,212 km (0.119 R)
• M11: 12,800,192 km (0.057 R)
• M12: 13,627,169 km (0.055 R)
• M13: 15,757,293 km (0.085 R)
• M14: 17,964,759 km (0.089 R)
• M15: 19,284,512 km (0.098 R)
• M16: 23,550,146 km (0.1 R)
• M17: 30,003,798 km (0.09 R)
• M18: 35,688,666 km (0.101 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 13,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit