🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.8 AU - 0.88 AU

Year: 289 Days

Day: 19.3 Hours

Environment

Temp: 89 °C

Axial Tilt: 48.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 96,964,045 km

• M1: 108,458 km (0.088 R)
• M2: 221,405 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.87 AU - 0.91 AU

Year: 315 Days

Day: 37.5 Hours

Environment

Temp: 45 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.58 AU - 2.38 AU

Year: 1044 Days

Day: 13 Hours

Environment

Temp: -81 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,964,045 km

• M1: 588,518 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.7

Radius: 6.5

Gravity: 16.61 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 15.21 AU - 20.63 AU

Year: 28427 Days

Day: 17.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 96,964,045 km

• M1: 83,775 km (0.075 R)
• M2: 407,804 km (0.096 R)
• M3: 694,284 km (0.089 R)
• M4: 1,306,289 km (0.1 R)
• M5: 1,883,736 km (0.083 R)
• M6: 2,696,651 km (0.117 R)
• M7: 3,437,460 km (0.115 R)
• M8: 3,690,729 km (0.078 R)
• M9: 4,234,667 km (0.109 R)
• M10: 5,439,079 km (0.104 R)
• M11: 8,000,644 km (0.051 R)
• M12: 8,277,549 km (0.099 R)
• M13: 9,634,552 km (0.062 R)
• M14: 12,118,774 km (0.103 R)
• M15: 12,857,039 km (0.036 R)
• M16: 16,823,029 km (0.072 R)
• M17: 17,928,706 km (0.102 R)
• M18: 18,403,380 km (0.104 R)
• M19: 19,377,711 km (0.045 R)
• M20: 20,283,676 km (0.067 R)
• M21: 22,071,520 km (0.1 R)
• M22: 24,421,703 km (0.089 R)
• M23: 35,345,788 km (0.079 R)
• M24: 35,941,786 km (0.105 R)
• M25: 40,790,103 km (0.039 R)
• M26: 47,305,988 km (0.068 R)
• M27: 50,057,991 km (0.111 R)
• M28: 58,743,194 km (0.047 R)
• M29: 75,276,901 km (0.069 R)
• M30: 77,257,876 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 20,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit