🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.63 AU - 1.01 AU

Year: 273 Days

Day: 38.7 Hours

Environment

Temp: 144 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.2 AU - 1.28 AU

Year: 507 Days

Day: 21.3 Hours

Environment

Temp: 9 °C

Axial Tilt: 138.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,091,860 km

• M1: 584,628 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.22 AU - 1.38 AU

Year: 544 Days

Day: 45 Hours

Environment

Temp: -18 °C

Axial Tilt: 1.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,091,860 km

• M1: 237,861 km (0.095 R)

Asteroid Belt

Center: 4.13 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.5

Radius: 11.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.63 AU - 7.29 AU

Year: 6740 Days

Day: 6.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,091,860 km

• M1: 146,756 km (0.12 R)
• M2: 637,885 km (0.112 R)
• M3: 1,062,444 km (0.092 R)
• M4: 2,115,314 km (0.085 R)
• M5: 2,609,286 km (0.111 R)
• M6: 3,066,607 km (0.069 R)
• M7: 3,495,205 km (0.107 R)
• M8: 6,396,655 km (0.119 R)
• M9: 6,871,479 km (0.082 R)
• M10: 7,335,831 km (0.109 R)
• M11: 7,785,821 km (0.116 R)
• M12: 8,364,765 km (0.11 R)
• M13: 9,089,567 km (0.115 R)
• M14: 9,609,270 km (0.095 R)
• M15: 12,173,527 km (0.1 R)
• M16: 13,408,158 km (0.095 R)
• M17: 14,616,161 km (0.025 R)
• M18: 18,295,969 km (0.107 R)
• M19: 19,061,013 km (0.042 R)
• M20: 22,120,888 km (0.115 R)
• M21: 24,716,560 km (0.092 R)
• M22: 27,591,831 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 19,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit