🌌 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: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.4 AU - 0.62 AU

Year: 133 Days

Day: 12.6 Hours

Environment

Temp: 239 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.51 AU - 0.53 AU

Year: 137 Days

Day: 34.5 Hours

Environment

Temp: 234 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.61 AU - 0.63 AU

Year: 178 Days

Day: 17.6 Hours

Environment

Temp: 207 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,600,139 km

• M1: 88,861 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.73 AU - 1.07 AU

Year: 312 Days

Day: 46.6 Hours

Environment

Temp: 117 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.88 AU - 2.02 AU

Year: 995 Days

Day: 23.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.9

Radius: 4.8

Gravity: 19.18 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 11.44 AU - 16.02 AU

Year: 18582 Days

Day: 20.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,600,139 km

• M1: 61,335 km (0.094 R)
• M2: 340,634 km (0.074 R)
• M3: 1,197,381 km (0.087 R)
• M4: 2,857,619 km (0.1 R)
• M5: 3,855,736 km (0.076 R)
• M6: 4,183,504 km (0.071 R)
• M7: 5,950,704 km (0.115 R)
• M8: 7,327,753 km (0.113 R)
• M9: 8,114,189 km (0.069 R)
• M10: 10,351,724 km (0.05 R)
• M11: 14,607,185 km (0.034 R)
• M12: 16,454,270 km (0.114 R)
• M13: 17,155,734 km (0.084 R)
• M14: 17,553,964 km (0.104 R)
• M15: 18,121,688 km (0.042 R)
• M16: 21,054,704 km (0.089 R)
• M17: 21,788,032 km (0.051 R)
• M18: 26,128,614 km (0.084 R)
• M19: 26,655,648 km (0.046 R)
• M20: 29,058,788 km (0.118 R)
• M21: 31,365,288 km (0.078 R)
• M22: 36,731,962 km (0.096 R)
• M23: 39,977,787 km (0.101 R)
• M24: 51,180,274 km (0.102 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 20,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit