🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.45 AU - 0.61 AU

Year: 136 Days

Day: 47.2 Hours

Environment

Temp: 192 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.52 AU - 0.6 AU

Year: 147 Days

Day: 30.8 Hours

Environment

Temp: 189 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.6 AU - 0.92 AU

Year: 233 Days

Day: 45.7 Hours

Environment

Temp: 201 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.71 AU - 1.17 AU

Year: 320 Days

Day: 31.2 Hours

Environment

Temp: 109 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,414,375 km

• M1: 90,806 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.34 AU - 1.76 AU

Year: 678 Days

Day: 46.9 Hours

Environment

Temp: -21 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 54,414,375 km

• M1: 41,887 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.02 AU - 3.24 AU

Year: 1499 Days

Day: 43.1 Hours

Environment

Temp: -86 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.7

Radius: 10.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 9.98 AU - 15.94 AU

Year: 16398 Days

Day: 14.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,414,375 km

• M1: 137,780 km (0.041 R)
• M2: 584,628 km (0.058 R)
• M3: 1,259,464 km (0.091 R)
• M4: 1,655,600 km (0.104 R)
• M5: 2,283,013 km (0.079 R)
• M6: 4,038,544 km (0.097 R)
• M7: 6,022,062 km (0.12 R)
• M8: 7,502,184 km (0.099 R)
• M9: 8,443,005 km (0.101 R)
• M10: 11,507,667 km (0.119 R)
• M11: 17,199,118 km (0.073 R)
• M12: 19,806,608 km (0.12 R)
• M13: 20,646,152 km (0.106 R)
• M14: 25,106,562 km (0.093 R)
• M15: 38,270,127 km (0.096 R)
• M16: 50,135,034 km (0.096 R)
• M17: 51,535,569 km (0.08 R)
• M18: 53,604,208 km (0.081 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 16,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit