🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.82 AU - 1.28 AU

Year: 380 Days

Day: 18.9 Hours

Environment

Temp: 102 °C

Axial Tilt: 140.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.09 AU - 1.42 AU

Year: 493 Days

Day: 17.7 Hours

Environment

Temp: 27 °C

Axial Tilt: 27.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.45 AU - 2.41 AU

Year: 947 Days

Day: 15.2 Hours

Environment

Temp: -56 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.59 AU - 3.97 AU

Year: 2098 Days

Day: 41.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.65 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 16.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.1

Radius: 4

Gravity: 15.07 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 13.35 AU - 18.67 AU

Year: 22620 Days

Day: 15.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,316,651 km

• M1: 74,350 km (0.045 R)
• M2: 223,798 km (0.098 R)
• M3: 436,975 km (0.045 R)
• M4: 1,004,550 km (0.103 R)
• M5: 1,530,386 km (0.066 R)
• M6: 2,883,050 km (0.081 R)
• M7: 3,835,091 km (0.12 R)
• M8: 5,832,971 km (0.12 R)
• M9: 6,493,595 km (0.102 R)
• M10: 7,333,138 km (0.102 R)
• M11: 8,773,616 km (0.117 R)
• M12: 9,173,790 km (0.053 R)
• M13: 12,572,504 km (0.111 R)
• M14: 17,107,713 km (0.047 R)
• M15: 18,129,317 km (0.092 R)
• M16: 19,779,382 km (0.113 R)
• M17: 22,809,786 km (0.082 R)
• M18: 23,091,179 km (0.066 R)
• M19: 26,650,561 km (0.108 R)
• M20: 27,277,227 km (0.097 R)
• M21: 29,882,474 km (0.11 R)
• M22: 30,106,721 km (0.114 R)
• M23: 39,486,956 km (0.095 R)
• M24: 39,621,744 km (0.116 R)
• M25: 40,164,485 km (0.031 R)
• M26: 44,102,948 km (0.089 R)
• M27: 46,615,444 km (0.1 R)
• M28: 48,754,844 km (0.08 R)
• M29: 51,600,644 km (0.09 R)
• M30: 52,247,655 km (0.097 R)
• M31: 55,733,734 km (0.054 R)
• M32: 58,316,691 km (0.034 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 10,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit