🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.51 AU - 0.59 AU

Year: 149 Days

Day: 15.5 Hours

Environment

Temp: 163 °C

Axial Tilt: 143.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.53 AU - 0.79 AU

Year: 196 Days

Day: 14.5 Hours

Environment

Temp: 166 °C

Axial Tilt: 110.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.68 AU - 0.84 AU

Year: 242 Days

Day: 14.5 Hours

Environment

Temp: 115 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.76 AU - 0.78 AU

Year: 247 Days

Day: 47.5 Hours

Environment

Temp: 161 °C

Axial Tilt: 9.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.7 AU - 0.98 AU

Year: 281 Days

Day: 46.4 Hours

Environment

Temp: 112 °C

Axial Tilt: 5.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.07 AU - 2.35 AU

Year: 1200 Days

Day: 36.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 10.2

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.48 AU - 9.26 AU

Year: 8064 Days

Day: 6.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,918,145 km

• M1: 126,859 km (0.058 R)
• M2: 463,753 km (0.087 R)
• M3: 2,097,512 km (0.046 R)
• M4: 2,457,295 km (0.116 R)
• M5: 2,803,763 km (0.105 R)
• M6: 3,344,111 km (0.068 R)
• M7: 3,793,952 km (0.115 R)
• M8: 4,187,394 km (0.064 R)
• M9: 5,111,310 km (0.091 R)
• M10: 5,710,001 km (0.113 R)
• M11: 6,103,593 km (0.073 R)
• M12: 6,547,749 km (0.11 R)
• M13: 7,150,329 km (0.073 R)
• M14: 8,898,979 km (0.104 R)
• M15: 9,222,858 km (0.102 R)
• M16: 10,330,331 km (0.104 R)
• M17: 10,733,647 km (0.104 R)
• M18: 15,832,990 km (0.116 R)
• M19: 17,732,883 km (0.09 R)
• M20: 20,967,488 km (0.084 R)
• M21: 21,325,625 km (0.045 R)
• M22: 21,833,809 km (0.105 R)
• M23: 23,947,627 km (0.111 R)
• M24: 25,376,436 km (0.095 R)
• M25: 26,945,568 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 15,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit