🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.33 AU - 1.39 AU

Year: 552 Days

Day: 35.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 14.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.35 AU - 1.43 AU

Year: 571 Days

Day: 46.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 31,777,671 km

• M1: 41,887 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.32 AU - 1.92 AU

Year: 718 Days

Day: 39.6 Hours

Environment

Temp: -22 °C

Axial Tilt: 83.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 31,777,671 km

• M1: 147,653 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.83 AU - 2.15 AU

Year: 978 Days

Day: 17.4 Hours

Environment

Temp: -44 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,777,671 km

• M1: 159,920 km (0.096 R)
• M2: 265,686 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.43 AU - 3.53 AU

Year: 2261 Days

Day: 20.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.73 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.6

Radius: 9.8

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.46 AU - 6.5 AU

Year: 5093 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 73.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,777,671 km

• M1: 121,922 km (0.047 R)
• M2: 671,844 km (0.109 R)
• M3: 1,092,513 km (0.043 R)
• M4: 1,538,165 km (0.03 R)
• M5: 2,147,777 km (0.095 R)
• M6: 2,621,254 km (0.119 R)
• M7: 3,557,587 km (0.064 R)
• M8: 4,471,032 km (0.093 R)
• M9: 5,417,388 km (0.108 R)
• M10: 7,236,647 km (0.05 R)
• M11: 8,150,990 km (0.084 R)
• M12: 9,347,473 km (0.102 R)
• M13: 11,356,423 km (0.037 R)
• M14: 13,211,287 km (0.1 R)
• M15: 15,086,496 km (0.087 R)
• M16: 17,007,483 km (0.044 R)
• M17: 17,385,068 km (0.09 R)
• M18: 18,353,415 km (0.064 R)
• M19: 20,823,874 km (0.102 R)
• M20: 21,183,657 km (0.099 R)
• M21: 25,338,887 km (0.046 R)
• M22: 25,831,663 km (0.093 R)
• M23: 30,466,654 km (0.107 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 16,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit