🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.77 AU - 0.85 AU

Year: 259 Days

Day: 44.8 Hours

Environment

Temp: 109 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.81 AU - 1.25 AU

Year: 371 Days

Day: 40.6 Hours

Environment

Temp: 132 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.34 AU - 1.4 AU

Year: 569 Days

Day: 41 Hours

Environment

Temp: -12 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.76 AU - 3.54 AU

Year: 1983 Days

Day: 16 Hours

Environment

Temp: -93 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.98 AU - 5.16 AU

Year: 4050 Days

Day: 26.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,653,123 km

• M1: 1,183,918 km (0.097 R)
• M2: 1,638,246 km (0.083 R)

Asteroid Belt

Center: 6.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.6

Radius: 11

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.74 AU - 7.76 AU

Year: 6925 Days

Day: 8.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,653,123 km

• M1: 136,732 km (0.077 R)
• M2: 518,656 km (0.03 R)
• M3: 888,911 km (0.102 R)
• M4: 1,269,039 km (0.108 R)
• M5: 1,622,389 km (0.069 R)
• M6: 2,204,025 km (0.08 R)
• M7: 2,665,834 km (0.118 R)
• M8: 3,480,095 km (0.107 R)
• M9: 3,834,642 km (0.067 R)
• M10: 5,076,305 km (0.025 R)
• M11: 5,440,575 km (0.093 R)
• M12: 6,639,901 km (0.08 R)
• M13: 7,378,167 km (0.06 R)
• M14: 7,926,892 km (0.105 R)
• M15: 8,460,657 km (0.118 R)
• M16: 11,241,382 km (0.077 R)
• M17: 11,862,962 km (0.097 R)
• M18: 14,280,164 km (0.078 R)
• M19: 15,195,553 km (0.116 R)
• M20: 16,674,777 km (0.101 R)
• M21: 18,961,530 km (0.076 R)
• M22: 19,842,662 km (0.073 R)
• M23: 21,450,091 km (0.104 R)
• M24: 22,568,784 km (0.057 R)
• M25: 23,474,748 km (0.118 R)
• M26: 25,712,284 km (0.115 R)
• M27: 27,434,903 km (0.101 R)
• M28: 30,607,575 km (0.087 R)
• M29: 31,108,728 km (0.119 R)
• M30: 32,127,489 km (0.066 R)
• M31: 38,595,802 km (0.052 R)

Kuiper Belt

Range: 30.9 - 52.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 11,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit