🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.5 AU - 0.54 AU

Year: 144 Days

Day: 20.3 Hours

Environment

Temp: 165 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.78 AU - 0.8 AU

Year: 269 Days

Day: 14.5 Hours

Environment

Temp: 100 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.43 AU - 1.99 AU

Year: 856 Days

Day: 44.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.76 AU - 2.06 AU

Year: 1011 Days

Day: 16.8 Hours

Environment

Temp: -83 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.17 AU - 4.05 AU

Year: 2626 Days

Day: 41.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.6

Radius: 13.7

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.7 AU - 4.82 AU

Year: 3367 Days

Day: 8.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 6,123,261 km

• M1: 223,499 km (0.102 R)
• M2: 462,407 km (0.043 R)
• M3: 702,811 km (0.12 R)
• M4: 879,037 km (0.105 R)
• M5: 982,409 km (0.081 R)
• M6: 1,263,204 km (0.119 R)
• M7: 1,381,985 km (0.113 R)
• M8: 1,825,543 km (0.033 R)
• M9: 1,979,329 km (0.085 R)
• M10: 2,268,801 km (0.095 R)
• M11: 2,370,528 km (0.092 R)
• M12: 2,631,726 km (0.069 R)
• M13: 2,779,528 km (0.112 R)
• M14: 3,398,564 km (0.073 R)
• M15: 3,694,170 km (0.118 R)
• M16: 3,830,005 km (0.078 R)
• M17: 4,137,877 km (0.116 R)
• M18: 4,794,313 km (0.057 R)
• M19: 5,372,060 km (0.098 R)
• M20: 5,682,475 km (0.081 R)
• M21: 5,787,194 km (0.032 R)
• M22: 6,016,378 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 14,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit