🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.65 AU - 0.73 AU

Year: 201 Days

Day: 19.6 Hours

Environment

Temp: 207 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.71 AU - 0.73 AU

Year: 215 Days

Day: 23.6 Hours

Environment

Temp: 223 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,190,566 km

• M1: 54,603 km (0.034 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.12 AU - 1.14 AU

Year: 422 Days

Day: 24.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.11 AU - 1.71 AU

Year: 588 Days

Day: 46 Hours

Environment

Temp: 0 °C

Axial Tilt: 25.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.66 AU - 2.08 AU

Year: 899 Days

Day: 23.6 Hours

Environment

Temp: -53 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.2 AU - 3.38 AU

Year: 2097 Days

Day: 18.3 Hours

Environment

Temp: -90 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,190,566 km

• M1: 775,216 km (0.031 R)
• M2: 2,837,273 km (0.111 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.2 AU - 5.06 AU

Year: 3501 Days

Day: 29.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,190,566 km

• M1: 76,295 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.1

Radius: 10

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.89 AU - 8.71 AU

Year: 6932 Days

Day: 7 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,190,566 km

• M1: 124,316 km (0.081 R)
• M2: 486,791 km (0.069 R)
• M3: 821,891 km (0.051 R)
• M4: 1,182,422 km (0.089 R)
• M5: 1,649,915 km (0.119 R)
• M6: 3,196,607 km (0.108 R)
• M7: 3,756,851 km (0.087 R)
• M8: 4,272,515 km (0.052 R)
• M9: 4,805,682 km (0.114 R)
• M10: 6,005,158 km (0.108 R)
• M11: 7,161,400 km (0.117 R)
• M12: 7,591,344 km (0.076 R)
• M13: 8,546,078 km (0.065 R)
• M14: 9,861,641 km (0.035 R)
• M15: 10,693,106 km (0.111 R)
• M16: 12,776,257 km (0.06 R)
• M17: 14,553,030 km (0.088 R)
• M18: 14,990,305 km (0.105 R)
• M19: 16,221,346 km (0.048 R)
• M20: 19,629,784 km (0.057 R)
• M21: 20,163,848 km (0.042 R)
• M22: 21,905,467 km (0.107 R)
• M23: 23,573,782 km (0.081 R)
• M24: 24,439,056 km (0.093 R)
• M25: 27,067,940 km (0.087 R)
• M26: 28,208,922 km (0.109 R)
• M27: 30,586,631 km (0.096 R)
• M28: 38,044,085 km (0.117 R)
• M29: 41,437,862 km (0.087 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 17,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit