🌌 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: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.6 AU - 0.76 AU

Year: 205 Days

Day: 30.4 Hours

Environment

Temp: 177 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,556,588 km

• M1: 20,495 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.04 AU - 1.06 AU

Year: 393 Days

Day: 31.9 Hours

Environment

Temp: 37 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 64,556,588 km

• M1: 40,391 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.05 AU - 1.09 AU

Year: 404 Days

Day: 34.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 111.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.42 AU - 2.1 AU

Year: 853 Days

Day: 42.8 Hours

Environment

Temp: -60 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,556,588 km

• M1: 35,155 km (0.084 R)
• M2: 356,193 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.52 AU - 2.06 AU

Year: 875 Days

Day: 17.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 13.3

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 10.22 AU - 12.04 AU

Year: 13562 Days

Day: 8.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,556,588 km

• M1: 166,353 km (0.063 R)
• M2: 728,242 km (0.06 R)
• M3: 1,446,911 km (0.047 R)
• M4: 3,698,658 km (0.114 R)
• M5: 6,311,085 km (0.117 R)
• M6: 7,511,459 km (0.075 R)
• M7: 8,656,780 km (0.118 R)
• M8: 9,429,902 km (0.083 R)
• M9: 12,027,519 km (0.087 R)
• M10: 13,390,057 km (0.032 R)
• M11: 15,810,550 km (0.097 R)
• M12: 17,605,126 km (0.058 R)
• M13: 20,681,158 km (0.103 R)
• M14: 23,603,402 km (0.051 R)
• M15: 24,907,148 km (0.098 R)
• M16: 27,221,876 km (0.12 R)
• M17: 30,605,032 km (0.118 R)
• M18: 32,154,566 km (0.117 R)
• M19: 32,886,998 km (0.078 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 19,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit