🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.41 AU - 0.61 AU

Year: 131 Days

Day: 19.4 Hours

Environment

Temp: 226 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,703,011 km

• M1: 378,931 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.67 AU - 0.97 AU

Year: 267 Days

Day: 14.1 Hours

Environment

Temp: 179 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.11 AU - 1.25 AU

Year: 461 Days

Day: 23.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 1.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.83 AU - 4.65 AU

Year: 3142 Days

Day: 13.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.78 AU - 5.84 AU

Year: 3797 Days

Day: 17.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 12.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.34 AU - 10.38 AU

Year: 11143 Days

Day: 10.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,703,011 km

• M1: 160,369 km (0.111 R)
• M2: 660,175 km (0.076 R)
• M3: 1,546,692 km (0.067 R)
• M4: 2,093,024 km (0.103 R)
• M5: 3,743,687 km (0.075 R)
• M6: 5,561,899 km (0.114 R)
• M7: 5,974,041 km (0.062 R)
• M8: 8,432,832 km (0.1 R)
• M9: 8,893,145 km (0.109 R)
• M10: 10,470,505 km (0.068 R)
• M11: 11,151,175 km (0.111 R)
• M12: 12,439,961 km (0.111 R)
• M13: 13,540,702 km (0.077 R)
• M14: 15,189,270 km (0.1 R)
• M15: 19,744,825 km (0.078 R)
• M16: 22,174,444 km (0.054 R)
• M17: 24,627,400 km (0.068 R)
• M18: 25,224,894 km (0.111 R)
• M19: 25,919,477 km (0.061 R)
• M20: 28,265,321 km (0.098 R)
• M21: 31,542,113 km (0.117 R)
• M22: 32,962,245 km (0.064 R)
• M23: 33,583,675 km (0.109 R)
• M24: 35,495,236 km (0.119 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 13,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit