🌌 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: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.46 AU - 0.7 AU

Year: 169 Days

Day: 22.4 Hours

Environment

Temp: 148 °C

Axial Tilt: 22.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,212,877 km

• M1: 191,485 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.64 AU - 1 AU

Year: 284 Days

Day: 30.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 29.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 80,212,877 km

• M1: 89,011 km (0.108 R)
• M2: 592,557 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.82 AU - 0.86 AU

Year: 295 Days

Day: 22 Hours

Environment

Temp: 32 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 8.71 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 16.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.3

Radius: 5.5

Gravity: 15.91 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 16.01 AU - 17.13 AU

Year: 25826 Days

Day: 23 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,212,877 km

• M1: 70,760 km (0.116 R)
• M2: 448,345 km (0.073 R)
• M3: 1,190,201 km (0.096 R)
• M4: 1,444,816 km (0.074 R)
• M5: 1,846,636 km (0.06 R)
• M6: 2,146,879 km (0.089 R)
• M7: 3,027,861 km (0.101 R)
• M8: 3,302,523 km (0.088 R)
• M9: 3,593,640 km (0.115 R)
• M10: 4,431,388 km (0.097 R)
• M11: 6,802,814 km (0.112 R)
• M12: 8,074,545 km (0.101 R)
• M13: 8,283,533 km (0.1 R)
• M14: 9,043,042 km (0.051 R)
• M15: 9,439,775 km (0.091 R)
• M16: 11,337,424 km (0.111 R)
• M17: 12,688,293 km (0.109 R)
• M18: 13,185,407 km (0.108 R)
• M19: 18,259,617 km (0.064 R)
• M20: 18,801,760 km (0.118 R)
• M21: 19,541,222 km (0.095 R)
• M22: 22,078,103 km (0.098 R)
• M23: 23,109,580 km (0.115 R)
• M24: 25,603,376 km (0.119 R)
• M25: 32,676,663 km (0.097 R)
• M26: 33,744,343 km (0.084 R)
• M27: 34,286,635 km (0.054 R)
• M28: 35,808,345 km (0.102 R)
• M29: 38,837,253 km (0.08 R)
• M30: 39,582,699 km (0.111 R)
• M31: 42,032,514 km (0.092 R)
• M32: 45,728,479 km (0.117 R)
• M33: 47,231,788 km (0.06 R)
• M34: 49,113,579 km (0.109 R)
• M35: 58,884,115 km (0.025 R)
• M36: 59,276,211 km (0.042 R)
• M37: 65,999,738 km (0.102 R)
• M38: 74,122,753 km (0.112 R)
• M39: 76,893,754 km (0.054 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 14,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit