🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.4 AU - 0.64 AU

Year: 246 Days

Day: 45.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 8,218,141 km

• M1: 55,052 km (0.107 R)
• M2: 126,410 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.57 AU - 0.67 AU

Year: 320 Days

Day: 21.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836

Radius: 13.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.85 AU - 1.13 AU

Year: 646 Days

Day: 6.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 8,218,141 km

• M1: 167,849 km (0.101 R)
• M2: 823,835 km (0.075 R)
• M3: 1,364,183 km (0.094 R)
• M4: 1,793,978 km (0.119 R)
• M5: 2,544,211 km (0.105 R)
• M6: 3,072,291 km (0.057 R)
• M7: 3,687,139 km (0.07 R)
• M8: 4,151,939 km (0.1 R)
• M9: 5,489,045 km (0.054 R)
• M10: 6,058,714 km (0.088 R)
• M11: 7,206,129 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.7

Radius: 8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.05 AU - 1.53 AU

Year: 961 Days

Day: 14.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 8,218,141 km

• M1: 102,175 km (0.115 R)
• M2: 380,727 km (0.048 R)
• M3: 679,773 km (0.11 R)
• M4: 942,467 km (0.101 R)
• M5: 1,392,158 km (0.065 R)
• M6: 1,667,268 km (0.113 R)
• M7: 2,034,381 km (0.098 R)
• M8: 2,497,836 km (0.071 R)
• M9: 4,350,456 km (0.1 R)
• M10: 5,032,772 km (0.069 R)
• M11: 6,483,422 km (0.096 R)
• M12: 7,327,304 km (0.071 R)
• M13: 8,193,775 km (0.052 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 18,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit