🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.79 AU - 0.81 AU

Year: 255 Days

Day: 19.2 Hours

Environment

Temp: 197 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 35,689,770 km

• M1: 41,289 km (0.063 R)
• M2: 142,268 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.17 AU - 2.51 AU

Year: 1276 Days

Day: 47.1 Hours

Environment

Temp: -72 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.9 AU - 4.66 AU

Year: 2620 Days

Day: 33.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.06 AU - 5.26 AU

Year: 3586 Days

Day: 28.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,689,770 km

• M1: 138,079 km (0.102 R)

Asteroid Belt

Center: 7.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.7

Radius: 10.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.3 AU - 10.72 AU

Year: 12145 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,689,770 km

• M1: 143,764 km (0.079 R)
• M2: 552,764 km (0.092 R)
• M3: 923,168 km (0.082 R)
• M4: 1,650,364 km (0.119 R)
• M5: 2,139,399 km (0.091 R)
• M6: 4,760,503 km (0.115 R)
• M7: 5,126,270 km (0.048 R)
• M8: 6,404,734 km (0.105 R)
• M9: 7,318,926 km (0.114 R)
• M10: 9,060,694 km (0.096 R)
• M11: 9,668,810 km (0.068 R)
• M12: 10,257,477 km (0.098 R)
• M13: 11,808,807 km (0.12 R)
• M14: 12,962,356 km (0.118 R)
• M15: 14,949,914 km (0.077 R)
• M16: 15,799,181 km (0.063 R)
• M17: 19,236,641 km (0.096 R)
• M18: 23,625,543 km (0.104 R)
• M19: 24,361,564 km (0.08 R)
• M20: 24,860,773 km (0.093 R)
• M21: 25,622,226 km (0.053 R)
• M22: 33,803,733 km (0.072 R)
• M23: 34,320,743 km (0.089 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 14,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit