🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.45 AU - 0.73 AU

Year: 170 Days

Day: 27.1 Hours

Environment

Temp: 164 °C

Axial Tilt: 63.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.58 AU - 0.76 AU

Year: 206 Days

Day: 12.8 Hours

Environment

Temp: 149 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.61 AU - 0.99 AU

Year: 268 Days

Day: 16.9 Hours

Environment

Temp: 172 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.59 AU - 2.45 AU

Year: 1076 Days

Day: 36.8 Hours

Environment

Temp: -80 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,553,976 km

• M1: 46,974 km (0.117 R)
• M2: 380,876 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.82 AU - 3.36 AU

Year: 2035 Days

Day: 23 Hours

Environment

Temp: -108 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,553,976 km

• M1: 338,690 km (0.078 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.85 AU - 4.23 AU

Year: 2496 Days

Day: 24.5 Hours

Environment

Temp: -113 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.16 AU - 4.94 AU

Year: 3054 Days

Day: 26.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 11.7

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.85 AU - 6.75 AU

Year: 5234 Days

Day: 10 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,553,976 km

• M1: 147,055 km (0.031 R)
• M2: 543,639 km (0.104 R)
• M3: 907,909 km (0.089 R)
• M4: 1,300,604 km (0.053 R)
• M5: 1,709,604 km (0.052 R)
• M6: 2,279,423 km (0.085 R)
• M7: 3,370,141 km (0.075 R)
• M8: 4,509,478 km (0.042 R)
• M9: 5,410,656 km (0.116 R)
• M10: 6,869,235 km (0.113 R)
• M11: 10,939,793 km (0.099 R)
• M12: 13,102,230 km (0.063 R)
• M13: 14,337,161 km (0.114 R)
• M14: 16,977,713 km (0.12 R)
• M15: 24,929,139 km (0.026 R)
• M16: 26,179,777 km (0.083 R)
• M17: 26,739,871 km (0.087 R)
• M18: 27,389,874 km (0.033 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 10,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit