🌌 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: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.41 AU - 0.63 AU

Year: 132 Days

Day: 45.2 Hours

Environment

Temp: 195 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.41 AU - 1.79 AU

Year: 715 Days

Day: 42 Hours

Environment

Temp: -39 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.61 AU - 1.97 AU

Year: 846 Days

Day: 41.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.22 AU - 4.2 AU

Year: 2523 Days

Day: 47.2 Hours

Environment

Temp: -105 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.3

Radius: 14.9

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.4 AU - 7.48 AU

Year: 7166 Days

Day: 6.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,234,075 km

• M1: 185,651 km (0.05 R)
• M2: 702,212 km (0.079 R)
• M3: 2,677,652 km (0.077 R)
• M4: 3,374,330 km (0.096 R)
• M5: 5,104,878 km (0.078 R)
• M6: 8,575,848 km (0.106 R)
• M7: 10,097,856 km (0.111 R)
• M8: 11,741,338 km (0.098 R)
• M9: 12,219,154 km (0.119 R)
• M10: 14,381,591 km (0.054 R)
• M11: 16,922,511 km (0.044 R)
• M12: 17,670,800 km (0.065 R)
• M13: 18,158,339 km (0.098 R)
• M14: 19,749,761 km (0.094 R)
• M15: 21,589,965 km (0.102 R)
• M16: 24,561,128 km (0.042 R)
• M17: 25,520,948 km (0.076 R)
• M18: 28,455,609 km (0.08 R)
• M19: 29,223,046 km (0.076 R)
• M20: 29,709,688 km (0.086 R)
• M21: 31,915,659 km (0.055 R)
• M22: 37,446,142 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.3

Radius: 8.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.49 AU - 8.47 AU

Year: 7960 Days

Day: 12.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,234,075 km

• M1: 128,654 km (0.1 R)
• M2: 509,680 km (0.107 R)
• M3: 940,821 km (0.034 R)
• M4: 2,864,201 km (0.108 R)
• M5: 5,990,946 km (0.083 R)
• M6: 7,552,299 km (0.025 R)
• M7: 7,901,460 km (0.03 R)
• M8: 9,131,005 km (0.052 R)
• M9: 10,743,072 km (0.029 R)
• M10: 15,336,475 km (0.115 R)
• M11: 16,355,685 km (0.063 R)
• M12: 18,717,686 km (0.105 R)
• M13: 20,818,488 km (0.112 R)
• M14: 22,350,819 km (0.09 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 12,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit