🌌 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: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.47 AU - 0.57 AU

Year: 133 Days

Day: 44.8 Hours

Environment

Temp: 240 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.45 AU - 0.65 AU

Year: 145 Days

Day: 18.2 Hours

Environment

Temp: 249 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.68 AU - 2.1 AU

Year: 922 Days

Day: 38.3 Hours

Environment

Temp: -41 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,837,342 km

• M1: 631,004 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.96 AU - 3.04 AU

Year: 1402 Days

Day: 44 Hours

Environment

Temp: -75 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,837,342 km

• M1: 126,111 km (0.027 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.46 AU - 4.62 AU

Year: 3432 Days

Day: 14.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,837,342 km

• M1: 1,070,822 km (0.066 R)

Asteroid Belt

Center: 8.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 12.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 9.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 9.81 AU - 16.07 AU

Year: 16513 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,837,342 km

• M1: 116,387 km (0.096 R)
• M2: 563,086 km (0.105 R)
• M3: 1,134,999 km (0.105 R)
• M4: 1,514,379 km (0.078 R)
• M5: 3,371,038 km (0.065 R)
• M6: 4,245,887 km (0.073 R)
• M7: 4,635,589 km (0.057 R)
• M8: 6,730,259 km (0.099 R)
• M9: 7,300,226 km (0.076 R)
• M10: 8,026,375 km (0.079 R)
• M11: 10,645,235 km (0.108 R)
• M12: 11,578,576 km (0.104 R)
• M13: 12,621,722 km (0.032 R)
• M14: 13,137,236 km (0.091 R)
• M15: 16,395,179 km (0.101 R)
• M16: 22,484,410 km (0.066 R)
• M17: 26,074,759 km (0.119 R)
• M18: 26,723,715 km (0.093 R)
• M19: 35,260,667 km (0.099 R)
• M20: 40,943,441 km (0.096 R)
• M21: 41,317,735 km (0.088 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 10,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit