🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.56 AU - 0.88 AU

Year: 215 Days

Day: 18.7 Hours

Environment

Temp: 204 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 69,968,636 km

• M1: 33,510 km (0.101 R)
• M2: 75,248 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.86 AU - 1.4 AU

Year: 422 Days

Day: 27.5 Hours

Environment

Temp: 33 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.13 AU - 1.35 AU

Year: 485 Days

Day: 22.2 Hours

Environment

Temp: 27 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.03 AU - 2.07 AU

Year: 1032 Days

Day: 30.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.2 AU - 3.22 AU

Year: 2021 Days

Day: 23.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,968,636 km

• M1: 364,420 km (0.112 R)

Asteroid Belt

Center: 10.63 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 18.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.3

Radius: 7.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 15.56 AU - 20.54 AU

Year: 26952 Days

Day: 16 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,968,636 km

• M1: 97,388 km (0.112 R)
• M2: 497,712 km (0.06 R)
• M3: 801,097 km (0.118 R)
• M4: 2,239,630 km (0.082 R)
• M5: 4,241,698 km (0.061 R)
• M6: 4,535,359 km (0.062 R)
• M7: 4,983,404 km (0.096 R)
• M8: 5,691,152 km (0.116 R)
• M9: 10,977,492 km (0.095 R)
• M10: 13,036,706 km (0.108 R)
• M11: 14,889,476 km (0.119 R)
• M12: 16,588,758 km (0.102 R)
• M13: 17,568,176 km (0.069 R)
• M14: 18,672,208 km (0.079 R)
• M15: 20,460,052 km (0.118 R)
• M16: 21,111,850 km (0.07 R)
• M17: 25,316,747 km (0.115 R)
• M18: 26,176,486 km (0.076 R)
• M19: 40,775,144 km (0.052 R)
• M20: 42,554,162 km (0.042 R)
• M21: 43,615,558 km (0.109 R)
• M22: 55,576,656 km (0.053 R)
• M23: 59,062,287 km (0.06 R)
• M24: 66,061,073 km (0.104 R)

Kuiper Belt

Range: 31.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 20,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit