🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.48 AU - 0.78 AU

Year: 188 Days

Day: 23.9 Hours

Environment

Temp: 127 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.66 AU - 1.06 AU

Year: 300 Days

Day: 19.1 Hours

Environment

Temp: 43 °C

Axial Tilt: 28.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.11 AU - 2.65 AU

Year: 1383 Days

Day: 14.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.7

Radius: 12.7

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.36 AU - 5.52 AU

Year: 3525 Days

Day: 8.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,539,055 km

• M1: 166,802 km (0.096 R)
• M2: 605,871 km (0.107 R)
• M3: 1,753,586 km (0.076 R)
• M4: 2,264,014 km (0.115 R)
• M5: 3,630,591 km (0.107 R)
• M6: 4,581,136 km (0.052 R)
• M7: 6,269,647 km (0.108 R)
• M8: 6,972,607 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.1

Radius: 13.8

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.59 AU - 10.87 AU

Year: 12326 Days

Day: 13.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,539,055 km

• M1: 171,589 km (0.062 R)
• M2: 682,316 km (0.076 R)
• M3: 1,183,319 km (0.078 R)
• M4: 1,639,593 km (0.058 R)
• M5: 2,687,077 km (0.096 R)
• M6: 3,864,113 km (0.115 R)
• M7: 4,315,749 km (0.077 R)
• M8: 4,962,610 km (0.12 R)
• M9: 5,463,464 km (0.071 R)
• M10: 6,297,622 km (0.065 R)
• M11: 7,816,190 km (0.097 R)
• M12: 9,021,051 km (0.086 R)
• M13: 10,944,879 km (0.097 R)
• M14: 12,633,839 km (0.1 R)
• M15: 13,572,716 km (0.102 R)
• M16: 14,896,507 km (0.104 R)
• M17: 19,960,993 km (0.033 R)
• M18: 23,476,843 km (0.088 R)
• M19: 28,638,717 km (0.077 R)
• M20: 31,596,566 km (0.118 R)
• M21: 32,741,888 km (0.085 R)
• M22: 40,469,665 km (0.116 R)
• M23: 42,506,889 km (0.116 R)
• M24: 48,724,774 km (0.069 R)
• M25: 50,407,751 km (0.11 R)
• M26: 52,129,024 km (0.072 R)
• M27: 54,539,045 km (0.068 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 17,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit