🌌 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: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.49 AU - 0.65 AU

Year: 163 Days

Day: 22.5 Hours

Environment

Temp: 195 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,115,470 km

• M1: 66,122 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.6 AU - 0.94 AU

Year: 256 Days

Day: 29.3 Hours

Environment

Temp: 148 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.71 AU - 0.93 AU

Year: 281 Days

Day: 32.7 Hours

Environment

Temp: 129 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.86 AU - 1.42 AU

Year: 461 Days

Day: 28.2 Hours

Environment

Temp: -14 °C

Axial Tilt: 15.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.87 AU - 2.65 AU

Year: 1287 Days

Day: 43.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.02 AU - 3.5 AU

Year: 2229 Days

Day: 42.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.9

Radius: 3.6

Gravity: 74.38 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 10.21 AU - 15.25 AU

Year: 17202 Days

Day: 20.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,115,470 km

• M1: 45,179 km (0.088 R)
• M2: 384,766 km (0.114 R)
• M3: 922,720 km (0.054 R)
• M4: 1,234,631 km (0.119 R)
• M5: 1,647,671 km (0.075 R)
• M6: 2,476,742 km (0.043 R)
• M7: 2,641,898 km (0.051 R)
• M8: 3,100,715 km (0.113 R)
• M9: 3,885,655 km (0.091 R)
• M10: 6,565,252 km (0.094 R)
• M11: 7,546,465 km (0.095 R)
• M12: 7,743,934 km (0.104 R)
• M13: 7,944,694 km (0.099 R)
• M14: 8,252,567 km (0.115 R)
• M15: 9,678,533 km (0.076 R)
• M16: 9,911,607 km (0.12 R)
• M17: 12,315,944 km (0.108 R)
• M18: 17,111,752 km (0.117 R)
• M19: 19,778,634 km (0.034 R)
• M20: 20,153,825 km (0.113 R)
• M21: 31,657,004 km (0.095 R)
• M22: 32,041,470 km (0.108 R)
• M23: 32,299,527 km (0.051 R)
• M24: 33,876,887 km (0.077 R)
• M25: 34,279,155 km (0.038 R)
• M26: 34,956,684 km (0.075 R)
• M27: 35,642,889 km (0.097 R)
• M28: 39,653,160 km (0.114 R)
• M29: 47,878,799 km (0.119 R)
• M30: 52,566,298 km (0.111 R)
• M31: 55,113,052 km (0.076 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 14,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit