🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.13 AU - 1.67 AU

Year: 624 Days

Day: 31.1 Hours

Environment

Temp: -38 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.33 AU - 3.35 AU

Year: 2300 Days

Day: 27.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 9.1

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.08 AU - 8.1 AU

Year: 8669 Days

Day: 7.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 106,670,993 km

• M1: 113,246 km (0.058 R)
• M2: 684,859 km (0.116 R)
• M3: 993,479 km (0.107 R)
• M4: 1,534,725 km (0.116 R)
• M5: 1,949,709 km (0.049 R)
• M6: 2,389,377 km (0.078 R)
• M7: 3,661,707 km (0.071 R)
• M8: 4,309,615 km (0.058 R)
• M9: 6,782,618 km (0.119 R)
• M10: 7,329,548 km (0.1 R)
• M11: 11,918,163 km (0.108 R)
• M12: 13,599,793 km (0.076 R)
• M13: 16,501,094 km (0.111 R)
• M14: 22,138,989 km (0.043 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.1

Radius: 7.1

Gravity: 17.8 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 17.85 AU - 18.35 AU

Year: 29010 Days

Day: 16.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 106,670,993 km

• M1: 106,065 km (0.051 R)
• M2: 621,280 km (0.116 R)
• M3: 1,019,958 km (0.082 R)
• M4: 1,318,556 km (0.032 R)
• M5: 2,186,223 km (0.049 R)
• M6: 3,613,686 km (0.059 R)
• M7: 4,059,488 km (0.112 R)
• M8: 4,503,195 km (0.107 R)
• M9: 5,890,715 km (0.054 R)
• M10: 14,226,608 km (0.109 R)
• M11: 15,161,295 km (0.103 R)
• M12: 15,599,468 km (0.067 R)
• M13: 17,246,989 km (0.086 R)
• M14: 18,112,712 km (0.083 R)
• M15: 23,457,245 km (0.094 R)
• M16: 26,109,466 km (0.056 R)
• M17: 27,121,496 km (0.074 R)
• M18: 33,159,714 km (0.077 R)
• M19: 37,118,224 km (0.089 R)
• M20: 39,046,989 km (0.111 R)
• M21: 40,202,483 km (0.046 R)
• M22: 77,787,153 km (0.063 R)
• M23: 94,976,397 km (0.097 R)
• M24: 101,636,494 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 13,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit