🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.48 AU - 0.68 AU

Year: 159 Days

Day: 14.9 Hours

Environment

Temp: 195 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.87 AU - 1.35 AU

Year: 421 Days

Day: 14.7 Hours

Environment

Temp: 33 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.35 AU - 5.45 AU

Year: 3904 Days

Day: 24.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,571,053 km

• M1: 27,975 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.85 AU - 5.01 AU

Year: 3940 Days

Day: 22.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.6

Radius: 9.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.01 AU - 6.21 AU

Year: 4782 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,571,053 km

• M1: 120,875 km (0.074 R)
• M2: 523,144 km (0.075 R)
• M3: 3,524,227 km (0.071 R)
• M4: 8,257,054 km (0.084 R)
• M5: 9,642,032 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.2

Radius: 4.3

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 14.62 AU - 22.26 AU

Year: 28498 Days

Day: 20.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,571,053 km

• M1: 113,994 km (0.057 R)
• M2: 310,715 km (0.106 R)
• M3: 488,587 km (0.113 R)
• M4: 680,521 km (0.036 R)
• M5: 1,068,727 km (0.055 R)
• M6: 1,257,968 km (0.092 R)
• M7: 1,544,748 km (0.093 R)
• M8: 1,909,168 km (0.04 R)
• M9: 2,390,275 km (0.095 R)
• M10: 2,783,867 km (0.114 R)
• M11: 2,996,296 km (0.037 R)
• M12: 3,219,346 km (0.1 R)
• M13: 5,905,675 km (0.107 R)
• M14: 7,893,831 km (0.101 R)
• M15: 9,063,088 km (0.104 R)
• M16: 9,217,024 km (0.07 R)
• M17: 9,903,977 km (0.095 R)
• M18: 10,624,441 km (0.103 R)
• M19: 11,678,956 km (0.098 R)
• M20: 13,857,550 km (0.081 R)
• M21: 16,520,242 km (0.119 R)
• M22: 17,610,661 km (0.092 R)
• M23: 21,989,092 km (0.106 R)
• M24: 26,724,313 km (0.036 R)
• M25: 28,993,713 km (0.09 R)
• M26: 33,298,990 km (0.112 R)
• M27: 38,144,615 km (0.115 R)
• M28: 39,221,271 km (0.11 R)
• M29: 45,357,775 km (0.064 R)
• M30: 49,998,301 km (0.116 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 19,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit