🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.66 AU - 0.72 AU

Year: 203 Days

Day: 41.1 Hours

Environment

Temp: 174 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.73 AU - 0.79 AU

Year: 235 Days

Day: 15.4 Hours

Environment

Temp: 208 °C

Axial Tilt: 83.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,517,833 km

• M1: 28,274 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.76 AU - 1.8 AU

Year: 842 Days

Day: 32.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.26 AU - 3.7 AU

Year: 2303 Days

Day: 14.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,517,833 km

• M1: 40,242 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.24 AU - 4.76 AU

Year: 3387 Days

Day: 27.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.77 AU - 5.51 AU

Year: 3546 Days

Day: 15.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,517,833 km

• M1: 125,662 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 14.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 10.7 AU - 12.28 AU

Year: 13817 Days

Day: 11.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,517,833 km

• M1: 185,352 km (0.111 R)
• M2: 652,396 km (0.108 R)
• M3: 1,768,995 km (0.117 R)
• M4: 2,257,581 km (0.054 R)
• M5: 3,540,832 km (0.104 R)
• M6: 5,076,305 km (0.078 R)
• M7: 5,733,488 km (0.096 R)
• M8: 7,669,733 km (0.086 R)
• M9: 8,314,650 km (0.08 R)
• M10: 9,811,975 km (0.065 R)
• M11: 11,209,967 km (0.082 R)
• M12: 12,796,153 km (0.03 R)
• M13: 16,692,430 km (0.113 R)
• M14: 19,376,515 km (0.036 R)
• M15: 20,575,542 km (0.094 R)
• M16: 22,596,310 km (0.102 R)
• M17: 24,378,918 km (0.113 R)
• M18: 26,253,529 km (0.106 R)
• M19: 33,347,609 km (0.095 R)
• M20: 35,185,270 km (0.111 R)
• M21: 35,773,189 km (0.071 R)
• M22: 39,313,273 km (0.073 R)
• M23: 41,755,458 km (0.063 R)
• M24: 43,483,613 km (0.115 R)
• M25: 45,120,812 km (0.085 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 10,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit