🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.66 AU - 0.68 AU

Year: 194 Days

Day: 12.7 Hours

Environment

Temp: 234 °C

Axial Tilt: 43.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.3 AU - 1.5 AU

Year: 585 Days

Day: 33.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.51 AU - 5.73 AU

Year: 3506 Days

Day: 28.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,910,689 km

• M1: 1,281,605 km (0.085 R)

Asteroid Belt

Center: 6.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 8.6

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.02 AU - 8.24 AU

Year: 8185 Days

Day: 6.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,910,689 km

• M1: 107,112 km (0.083 R)
• M2: 377,136 km (0.081 R)
• M3: 784,342 km (0.08 R)
• M4: 1,143,825 km (0.102 R)
• M5: 1,536,071 km (0.092 R)
• M6: 1,913,058 km (0.049 R)
• M7: 2,203,427 km (0.109 R)
• M8: 2,991,509 km (0.115 R)
• M9: 3,299,680 km (0.112 R)
• M10: 4,226,738 km (0.104 R)
• M11: 4,615,992 km (0.08 R)
• M12: 5,229,942 km (0.086 R)
• M13: 6,862,503 km (0.085 R)
• M14: 7,182,493 km (0.107 R)
• M15: 7,775,948 km (0.1 R)
• M16: 8,321,681 km (0.053 R)
• M17: 8,976,321 km (0.087 R)
• M18: 12,095,885 km (0.045 R)
• M19: 12,458,660 km (0.115 R)
• M20: 13,926,365 km (0.104 R)
• M21: 16,496,456 km (0.119 R)
• M22: 17,397,185 km (0.095 R)
• M23: 19,649,830 km (0.076 R)
• M24: 20,079,325 km (0.068 R)
• M25: 21,031,366 km (0.091 R)
• M26: 23,263,217 km (0.114 R)
• M27: 25,563,583 km (0.114 R)
• M28: 26,420,630 km (0.079 R)
• M29: 30,325,284 km (0.096 R)
• M30: 34,184,909 km (0.089 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 10,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit