🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.66 AU - 0.94 AU

Year: 259 Days

Day: 29.5 Hours

Environment

Temp: 177 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.17 AU - 1.21 AU

Year: 469 Days

Day: 25 Hours

Environment

Temp: 14 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 33,372,931 km

• M1: 87,066 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.34 AU - 1.96 AU

Year: 767 Days

Day: 32.7 Hours

Environment

Temp: -36 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.4

Radius: 8

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.6 AU - 6.28 AU

Year: 5236 Days

Day: 5.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,372,931 km

• M1: 136,882 km (0.095 R)
• M2: 869,762 km (0.053 R)
• M3: 1,284,447 km (0.07 R)
• M4: 2,103,795 km (0.113 R)
• M5: 2,582,358 km (0.066 R)
• M6: 4,184,252 km (0.083 R)
• M7: 4,644,266 km (0.07 R)
• M8: 5,025,142 km (0.054 R)
• M9: 5,726,457 km (0.103 R)
• M10: 6,491,351 km (0.034 R)
• M11: 7,763,980 km (0.115 R)
• M12: 8,067,963 km (0.089 R)
• M13: 8,578,839 km (0.087 R)
• M14: 9,364,378 km (0.089 R)
• M15: 10,794,234 km (0.083 R)
• M16: 12,261,789 km (0.104 R)
• M17: 13,203,658 km (0.068 R)
• M18: 13,582,739 km (0.099 R)
• M19: 17,456,875 km (0.115 R)
• M20: 26,178,431 km (0.042 R)
• M21: 26,776,972 km (0.082 R)
• M22: 28,090,142 km (0.102 R)
• M23: 30,373,454 km (0.099 R)
• M24: 31,034,228 km (0.08 R)
• M25: 31,512,193 km (0.092 R)
• M26: 31,898,006 km (0.114 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 17,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit