🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.81 AU - 0.87 AU

Year: 286 Days

Day: 32.1 Hours

Environment

Temp: 125 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.96 AU - 2.08 AU

Year: 1065 Days

Day: 31.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.35 AU - 2.89 AU

Year: 1573 Days

Day: 40.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.1

Radius: 12.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.41 AU - 4.69 AU

Year: 3599 Days

Day: 10.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,638,631 km

• M1: 155,582 km (0.094 R)
• M2: 556,803 km (0.116 R)
• M3: 1,048,531 km (0.081 R)
• M4: 1,606,232 km (0.027 R)
• M5: 2,144,336 km (0.043 R)
• M6: 9,832,021 km (0.109 R)
• M7: 10,805,005 km (0.12 R)
• M8: 15,824,313 km (0.114 R)
• M9: 16,806,274 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.3

Radius: 8.5

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.33 AU - 7.85 AU

Year: 6274 Days

Day: 5.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,638,631 km

• M1: 107,112 km (0.092 R)
• M2: 590,762 km (0.038 R)
• M3: 1,055,563 km (0.09 R)
• M4: 1,348,176 km (0.096 R)
• M5: 2,970,415 km (0.11 R)
• M6: 3,258,092 km (0.114 R)
• M7: 3,938,014 km (0.116 R)
• M8: 4,235,116 km (0.074 R)
• M9: 4,547,326 km (0.12 R)
• M10: 5,455,834 km (0.086 R)
• M11: 5,763,258 km (0.08 R)
• M12: 6,114,813 km (0.106 R)
• M13: 6,379,302 km (0.112 R)
• M14: 8,451,831 km (0.082 R)
• M15: 8,990,682 km (0.101 R)
• M16: 10,274,980 km (0.051 R)
• M17: 14,099,749 km (0.108 R)
• M18: 16,517,998 km (0.051 R)
• M19: 17,426,058 km (0.025 R)
• M20: 20,057,933 km (0.046 R)
• M21: 22,549,336 km (0.106 R)
• M22: 23,183,032 km (0.092 R)
• M23: 24,073,589 km (0.115 R)
• M24: 28,046,310 km (0.067 R)
• M25: 28,502,882 km (0.071 R)
• M26: 30,570,774 km (0.109 R)
• M27: 33,344,617 km (0.074 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 15,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit