🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.5 AU - 0.68 AU

Year: 172 Days

Day: 16.1 Hours

Environment

Temp: 168 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.55 AU - 0.71 AU

Year: 189 Days

Day: 34.4 Hours

Environment

Temp: 160 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,688,463 km

• M1: 389,852 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.98 AU - 2.44 AU

Year: 1244 Days

Day: 25 Hours

Environment

Temp: -82 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.56 AU - 4.58 AU

Year: 3110 Days

Day: 21.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 17.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.7

Radius: 3.3

Gravity: 23.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 14.64 AU - 20.84 AU

Year: 28300 Days

Day: 22.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,688,463 km

• M1: 84,672 km (0.088 R)
• M2: 188,344 km (0.102 R)
• M3: 301,589 km (0.059 R)
• M4: 434,731 km (0.074 R)
• M5: 898,186 km (0.081 R)
• M6: 1,233,734 km (0.047 R)
• M7: 1,453,194 km (0.104 R)
• M8: 1,630,168 km (0.113 R)
• M9: 2,186,672 km (0.065 R)
• M10: 3,243,880 km (0.029 R)
• M11: 4,050,811 km (0.09 R)
• M12: 4,401,618 km (0.114 R)
• M13: 5,888,771 km (0.11 R)
• M14: 6,854,425 km (0.092 R)
• M15: 7,168,281 km (0.119 R)
• M16: 7,680,504 km (0.029 R)
• M17: 11,400,106 km (0.072 R)
• M18: 11,650,233 km (0.084 R)
• M19: 12,226,185 km (0.069 R)
• M20: 15,931,276 km (0.056 R)
• M21: 17,043,237 km (0.057 R)
• M22: 17,535,114 km (0.028 R)
• M23: 29,117,730 km (0.117 R)
• M24: 31,137,301 km (0.066 R)
• M25: 34,273,919 km (0.098 R)
• M26: 39,577,164 km (0.1 R)
• M27: 42,947,454 km (0.117 R)
• M28: 43,704,719 km (0.034 R)
• M29: 54,548,620 km (0.07 R)
• M30: 66,045,814 km (0.11 R)
• M31: 66,447,933 km (0.095 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 11,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit