🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.72 AU - 1.06 AU

Year: 292 Days

Day: 33.8 Hours

Environment

Temp: 108 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.24 AU - 1.26 AU

Year: 487 Days

Day: 33.8 Hours

Environment

Temp: 21 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.47 AU - 1.73 AU

Year: 705 Days

Day: 12.6 Hours

Environment

Temp: -14 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.4 AU - 1.92 AU

Year: 745 Days

Day: 41.5 Hours

Environment

Temp: -27 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,748,158 km

• M1: 58,942 km (0.089 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.34 AU - 3.42 AU

Year: 1702 Days

Day: 43.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.6

Radius: 8.8

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 9.61 AU - 13.39 AU

Year: 13581 Days

Day: 9.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,748,158 km

• M1: 109,506 km (0.089 R)
• M2: 465,848 km (0.107 R)
• M3: 796,758 km (0.106 R)
• M4: 1,130,362 km (0.027 R)
• M5: 1,417,589 km (0.093 R)
• M6: 2,002,218 km (0.09 R)
• M7: 2,292,887 km (0.046 R)
• M8: 2,654,016 km (0.05 R)
• M9: 2,938,102 km (0.108 R)
• M10: 3,415,170 km (0.072 R)
• M11: 4,169,143 km (0.051 R)
• M12: 4,555,106 km (0.088 R)
• M13: 4,836,200 km (0.09 R)
• M14: 6,694,355 km (0.046 R)
• M15: 7,960,103 km (0.117 R)
• M16: 10,847,940 km (0.081 R)
• M17: 11,522,477 km (0.103 R)
• M18: 12,105,609 km (0.099 R)
• M19: 12,955,026 km (0.076 R)
• M20: 13,843,488 km (0.071 R)
• M21: 15,044,908 km (0.06 R)
• M22: 17,577,451 km (0.105 R)
• M23: 18,665,626 km (0.091 R)
• M24: 19,388,632 km (0.059 R)
• M25: 19,715,803 km (0.087 R)
• M26: 21,494,521 km (0.096 R)
• M27: 22,738,278 km (0.093 R)
• M28: 24,029,308 km (0.062 R)
• M29: 27,060,759 km (0.04 R)
• M30: 28,826,911 km (0.093 R)
• M31: 37,163,402 km (0.074 R)
• M32: 38,951,994 km (0.071 R)
• M33: 46,388,953 km (0.08 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 16,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit