🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.1 AU - 1.32 AU

Year: 481 Days

Day: 24.4 Hours

Environment

Temp: -1 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.1 AU - 1.76 AU

Year: 618 Days

Day: 25.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.26 AU - 1.64 AU

Year: 631 Days

Day: 23.5 Hours

Environment

Temp: -31 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.62 AU - 4.68 AU

Year: 3057 Days

Day: 12.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.1

Radius: 13.7

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.23 AU - 9.77 AU

Year: 8962 Days

Day: 7.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,896,203 km

• M1: 191,336 km (0.12 R)
• M2: 656,884 km (0.095 R)
• M3: 1,741,170 km (0.115 R)
• M4: 3,125,100 km (0.111 R)
• M5: 4,709,491 km (0.101 R)
• M6: 6,705,276 km (0.107 R)
• M7: 8,947,449 km (0.08 R)
• M8: 9,952,148 km (0.038 R)
• M9: 10,779,125 km (0.075 R)
• M10: 12,570,111 km (0.054 R)
• M11: 18,907,974 km (0.119 R)
• M12: 19,349,437 km (0.107 R)
• M13: 22,800,361 km (0.115 R)
• M14: 23,300,766 km (0.079 R)
• M15: 29,007,326 km (0.042 R)
• M16: 31,612,124 km (0.043 R)
• M17: 33,719,210 km (0.076 R)
• M18: 37,629,549 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.1

Radius: 5.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 14.66 AU - 19.04 AU

Year: 25014 Days

Day: 19.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,896,203 km

• M1: 74,799 km (0.108 R)
• M2: 1,266,795 km (0.102 R)
• M3: 1,927,718 km (0.087 R)
• M4: 6,751,352 km (0.078 R)
• M5: 9,175,137 km (0.064 R)
• M6: 14,014,927 km (0.035 R)
• M7: 26,201,618 km (0.116 R)
• M8: 28,387,991 km (0.09 R)
• M9: 30,693,145 km (0.118 R)
• M10: 31,588,787 km (0.098 R)
• M11: 35,129,769 km (0.092 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 12,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit