🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.85 AU - 0.87 AU

Year: 299 Days

Day: 37.4 Hours

Environment

Temp: 127 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 25,223,066 km

• M1: 29,471 km (0.111 R)
• M2: 89,908 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.8 AU - 1.2 AU

Year: 375 Days

Day: 40.8 Hours

Environment

Temp: 3 °C

Axial Tilt: 44.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 25,223,066 km

• M1: 25,581 km (0.104 R)
• M2: 165,455 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.3 AU - 1.98 AU

Year: 787 Days

Day: 43.4 Hours

Environment

Temp: -47 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 13.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.1 AU - 5.66 AU

Year: 4040 Days

Day: 5.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,223,066 km

• M1: 167,400 km (0.086 R)
• M2: 1,018,911 km (0.109 R)
• M3: 1,734,438 km (0.06 R)
• M4: 2,621,403 km (0.058 R)
• M5: 3,510,015 km (0.109 R)
• M6: 5,578,804 km (0.047 R)
• M7: 6,582,306 km (0.098 R)
• M8: 8,362,222 km (0.067 R)
• M9: 9,325,482 km (0.051 R)
• M10: 9,954,093 km (0.1 R)
• M11: 10,950,115 km (0.096 R)
• M12: 12,661,665 km (0.078 R)
• M13: 13,140,378 km (0.108 R)
• M14: 13,581,542 km (0.084 R)
• M15: 14,649,521 km (0.114 R)
• M16: 16,894,985 km (0.1 R)
• M17: 22,265,698 km (0.088 R)
• M18: 24,626,502 km (0.068 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 11,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit