🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.86 AU - 1.14 AU

Year: 350 Days

Day: 13.3 Hours

Environment

Temp: 104 °C

Axial Tilt: 32.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.02 AU - 1.06 AU

Year: 371 Days

Day: 41.9 Hours

Environment

Temp: 165 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,584,734 km

• M1: 292,763 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.19 AU - 1.75 AU

Year: 624 Days

Day: 23.4 Hours

Environment

Temp: -6 °C

Axial Tilt: 29.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 44,584,734 km

• M1: 619,335 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.18 AU - 1.96 AU

Year: 688 Days

Day: 25.7 Hours

Environment

Temp: 0 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.84 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.5

Radius: 9.3

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.94 AU - 9.26 AU

Year: 8065 Days

Day: 5.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,584,734 km

• M1: 115,639 km (0.092 R)
• M2: 425,456 km (0.102 R)
• M3: 777,610 km (0.111 R)
• M4: 1,166,863 km (0.105 R)
• M5: 1,787,545 km (0.118 R)
• M6: 2,260,274 km (0.06 R)
• M7: 2,713,107 km (0.094 R)
• M8: 5,674,247 km (0.111 R)
• M9: 7,117,867 km (0.113 R)
• M10: 7,473,910 km (0.1 R)
• M11: 7,800,332 km (0.111 R)
• M12: 8,882,224 km (0.101 R)
• M13: 11,234,950 km (0.113 R)
• M14: 13,134,244 km (0.102 R)
• M15: 16,370,196 km (0.11 R)
• M16: 17,061,787 km (0.078 R)
• M17: 21,791,772 km (0.079 R)
• M18: 22,798,566 km (0.103 R)
• M19: 23,836,027 km (0.116 R)
• M20: 34,969,549 km (0.12 R)
• M21: 42,743,104 km (0.118 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 13,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit