🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.75 AU - 1.23 AU

Year: 360 Days

Day: 43 Hours

Environment

Temp: 35 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 46,598,328 km

• M1: 419,472 km (0.113 R)
• M2: 720,912 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.82 AU - 1.32 AU

Year: 404 Days

Day: 35 Hours

Environment

Temp: 14 °C

Axial Tilt: 41.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.01 AU - 1.31 AU

Year: 456 Days

Day: 25.6 Hours

Environment

Temp: 23 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 46,598,328 km

• M1: 43,832 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.46 AU - 3.26 AU

Year: 1767 Days

Day: 40.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.22 AU - 4.68 AU

Year: 2867 Days

Day: 40 Hours

Environment

Temp: -123 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,598,328 km

• M1: 2,210,309 km (0.051 R)

Asteroid Belt

Center: 5.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.9

Radius: 11.9

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.56 AU - 8.34 AU

Year: 8187 Days

Day: 11.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,598,328 km

• M1: 148,102 km (0.115 R)
• M2: 622,626 km (0.057 R)
• M3: 1,022,202 km (0.058 R)
• M4: 1,478,925 km (0.096 R)
• M5: 2,173,956 km (0.069 R)
• M6: 3,326,009 km (0.059 R)
• M7: 4,024,482 km (0.071 R)
• M8: 5,781,808 km (0.088 R)
• M9: 6,165,826 km (0.071 R)
• M10: 6,792,940 km (0.109 R)
• M11: 7,462,241 km (0.115 R)
• M12: 7,834,141 km (0.109 R)
• M13: 9,211,040 km (0.077 R)
• M14: 9,883,333 km (0.092 R)
• M15: 10,332,575 km (0.078 R)
• M16: 10,900,150 km (0.098 R)
• M17: 11,707,529 km (0.061 R)
• M18: 12,097,830 km (0.118 R)
• M19: 14,307,092 km (0.08 R)
• M20: 14,689,165 km (0.049 R)
• M21: 18,143,828 km (0.071 R)
• M22: 21,436,776 km (0.084 R)
• M23: 23,399,501 km (0.041 R)
• M24: 24,199,101 km (0.057 R)
• M25: 24,833,546 km (0.115 R)
• M26: 29,282,736 km (0.069 R)
• M27: 29,692,933 km (0.04 R)
• M28: 30,315,709 km (0.113 R)
• M29: 30,735,631 km (0.066 R)
• M30: 31,480,030 km (0.114 R)
• M31: 32,345,304 km (0.073 R)
• M32: 34,577,753 km (0.065 R)
• M33: 36,554,688 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 13,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit