🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.21 AU - 1.25 AU

Year: 415 Days

Day: 40 Hours

Environment

Temp: 124 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 40,343,452 km

• M1: 159,621 km (0.08 R)
• M2: 253,120 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.16 AU - 1.8 AU

Year: 548 Days

Day: 26 Hours

Environment

Temp: 183 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.58 AU - 2.3 AU

Year: 822 Days

Day: 23.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.2 AU - 3.5 AU

Year: 1866 Days

Day: 13.1 Hours

Environment

Temp: -54 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,343,452 km

• M1: 1,808,189 km (0.044 R)
• M2: 1,916,199 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.89 AU - 3.89 AU

Year: 2335 Days

Day: 26.9 Hours

Environment

Temp: -76 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.37 AU - 5.19 AU

Year: 3181 Days

Day: 30.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.48 AU - 9.2 AU

Year: 6682 Days

Day: 25.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 107.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,343,452 km

• M1: 692,489 km (0.094 R)

Asteroid Belt

Center: 9.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.8

Radius: 9.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.72 AU - 12.84 AU

Year: 10032 Days

Day: 9.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,343,452 km

• M1: 120,426 km (0.103 R)
• M2: 441,164 km (0.046 R)
• M3: 773,720 km (0.099 R)
• M4: 1,267,094 km (0.057 R)
• M5: 1,795,324 km (0.08 R)
• M6: 2,826,652 km (0.108 R)
• M7: 3,903,906 km (0.11 R)
• M8: 5,234,130 km (0.086 R)
• M9: 5,968,955 km (0.038 R)
• M10: 8,588,414 km (0.064 R)
• M11: 12,322,526 km (0.101 R)
• M12: 13,853,960 km (0.087 R)
• M13: 15,192,412 km (0.079 R)
• M14: 18,266,498 km (0.099 R)
• M15: 24,214,659 km (0.069 R)
• M16: 24,907,297 km (0.109 R)
• M17: 25,613,250 km (0.118 R)
• M18: 29,343,772 km (0.1 R)
• M19: 32,264,670 km (0.075 R)

Kuiper Belt

Range: 36 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 18,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit