🌌 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: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.53 AU - 0.63 AU

Year: 154 Days

Day: 41 Hours

Environment

Temp: 186 °C

Axial Tilt: 47.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.66 AU - 0.72 AU

Year: 200 Days

Day: 25.2 Hours

Environment

Temp: 197 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,428,843 km

• M1: 401,072 km (0.035 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.71 AU - 0.89 AU

Year: 249 Days

Day: 13.9 Hours

Environment

Temp: 159 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.44 AU - 1.84 AU

Year: 731 Days

Day: 20.1 Hours

Environment

Temp: -29 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.65 AU - 1.91 AU

Year: 827 Days

Day: 39.7 Hours

Environment

Temp: -26 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.16 AU - 5.22 AU

Year: 2987 Days

Day: 39.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 16.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.3

Radius: 3.9

Gravity: 30.07 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 14.11 AU - 19.21 AU

Year: 23681 Days

Day: 23.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,428,843 km

• M1: 51,910 km (0.116 R)
• M2: 186,848 km (0.109 R)
• M3: 941,719 km (0.103 R)
• M4: 1,900,342 km (0.076 R)
• M5: 3,635,827 km (0.103 R)
• M6: 3,908,544 km (0.067 R)
• M7: 6,086,838 km (0.117 R)
• M8: 6,471,305 km (0.042 R)
• M9: 7,527,017 km (0.112 R)
• M10: 9,345,977 km (0.085 R)
• M11: 19,273,890 km (0.104 R)
• M12: 22,822,352 km (0.116 R)
• M13: 25,451,834 km (0.058 R)
• M14: 50,909,651 km (0.109 R)
• M15: 55,914,747 km (0.063 R)
• M16: 59,491,632 km (0.031 R)
• M17: 63,018,253 km (0.119 R)
• M18: 64,224,011 km (0.078 R)
• M19: 72,438,580 km (0.106 R)
• M20: 73,539,770 km (0.115 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 13,276 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit