🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.41 AU - 0.63 AU

Year: 137 Days

Day: 41.5 Hours

Environment

Temp: 231 °C

Axial Tilt: 13.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,689,346 km

• M1: 23,786 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.54 AU - 0.58 AU

Year: 153 Days

Day: 13.8 Hours

Environment

Temp: 212 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.17 AU - 1.25 AU

Year: 486 Days

Day: 22 Hours

Environment

Temp: -10 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,689,346 km

• M1: 44,131 km (0.036 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.79 AU - 4.65 AU

Year: 2621 Days

Day: 16.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.1

Radius: 14.3

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 10.29 AU - 11.72 AU

Year: 13325 Days

Day: 5.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,689,346 km

• M1: 177,872 km (0.096 R)
• M2: 724,353 km (0.083 R)
• M3: 1,431,352 km (0.109 R)
• M4: 4,933,139 km (0.106 R)
• M5: 5,664,374 km (0.098 R)
• M6: 8,473,822 km (0.118 R)
• M7: 10,712,704 km (0.114 R)
• M8: 11,449,772 km (0.081 R)
• M9: 13,025,786 km (0.101 R)
• M10: 20,955,371 km (0.059 R)
• M11: 23,218,637 km (0.033 R)
• M12: 27,056,420 km (0.093 R)
• M13: 30,666,965 km (0.115 R)
• M14: 31,404,632 km (0.096 R)
• M15: 39,942,332 km (0.091 R)
• M16: 40,695,707 km (0.1 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: 379 - 12,578 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit