🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.63 AU - 0.89 AU

Year: 246 Days

Day: 43.8 Hours

Environment

Temp: 120 °C

Axial Tilt: 26.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.77 AU - 0.83 AU

Year: 265 Days

Day: 29.6 Hours

Environment

Temp: 100 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.89 AU - 2.47 AU

Year: 1194 Days

Day: 36.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.87 AU - 3.01 AU

Year: 1869 Days

Day: 19.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.25 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.8

Radius: 7.1

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 18.64 AU - 20.48 AU

Year: 32082 Days

Day: 17.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 96,602,285 km

• M1: 88,263 km (0.092 R)
• M2: 331,060 km (0.101 R)
• M3: 651,200 km (0.081 R)
• M4: 1,074,562 km (0.101 R)
• M5: 1,651,261 km (0.106 R)
• M6: 2,515,937 km (0.096 R)
• M7: 4,333,701 km (0.071 R)
• M8: 5,096,949 km (0.057 R)
• M9: 5,725,709 km (0.052 R)
• M10: 7,290,054 km (0.032 R)
• M11: 9,000,855 km (0.109 R)
• M12: 10,237,132 km (0.072 R)
• M13: 12,297,843 km (0.119 R)
• M14: 12,740,951 km (0.057 R)
• M15: 15,370,433 km (0.103 R)
• M16: 16,145,799 km (0.06 R)
• M17: 17,403,468 km (0.109 R)
• M18: 18,628,675 km (0.094 R)
• M19: 22,320,002 km (0.112 R)
• M20: 26,349,571 km (0.065 R)
• M21: 26,715,936 km (0.062 R)
• M22: 27,334,224 km (0.115 R)
• M23: 44,150,072 km (0.093 R)
• M24: 50,248,429 km (0.083 R)
• M25: 56,479,180 km (0.111 R)
• M26: 68,357,251 km (0.11 R)
• M27: 68,818,012 km (0.101 R)
• M28: 69,280,868 km (0.086 R)
• M29: 80,507,440 km (0.066 R)
• M30: 83,886,557 km (0.084 R)
• M31: 87,359,173 km (0.117 R)
• M32: 87,630,244 km (0.081 R)
• M33: 96,024,330 km (0.069 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 14,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit