🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.54 AU - 0.72 AU

Year: 187 Days

Day: 37.5 Hours

Environment

Temp: 165 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.65 AU - 0.99 AU

Year: 278 Days

Day: 39.2 Hours

Environment

Temp: 98 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.95 AU - 1.03 AU

Year: 369 Days

Day: 22.4 Hours

Environment

Temp: 34 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.21 AU - 1.51 AU

Year: 594 Days

Day: 23.3 Hours

Environment

Temp: -32 °C

Axial Tilt: 64.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,344,993 km

• M1: 29,471 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.57 AU - 1.87 AU

Year: 845 Days

Day: 36.2 Hours

Environment

Temp: -64 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.4

Radius: 11.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.5 AU - 6.02 AU

Year: 5180 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,344,993 km

• M1: 145,559 km (0.108 R)
• M2: 771,027 km (0.109 R)
• M3: 1,167,911 km (0.048 R)
• M4: 1,585,289 km (0.091 R)
• M5: 2,290,792 km (0.039 R)
• M6: 2,827,400 km (0.109 R)
• M7: 3,213,063 km (0.094 R)
• M8: 3,577,184 km (0.115 R)
• M9: 3,969,131 km (0.095 R)
• M10: 4,411,492 km (0.041 R)
• M11: 5,994,387 km (0.099 R)
• M12: 7,573,841 km (0.099 R)
• M13: 8,911,396 km (0.088 R)
• M14: 9,786,094 km (0.099 R)
• M15: 11,919,958 km (0.046 R)
• M16: 14,592,375 km (0.12 R)
• M17: 16,226,432 km (0.12 R)
• M18: 20,343,665 km (0.034 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 15,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit