🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.48 AU - 0.72 AU

Year: 305 Days

Day: 29.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,618,346 km

• M1: 70,760 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.58 AU - 0.74 AU

Year: 352 Days

Day: 17.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.1

Radius: 10.3

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.92 AU - 0.94 AU

Year: 588 Days

Day: 12.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,618,346 km

• M1: 128,056 km (0.096 R)
• M2: 456,124 km (0.111 R)
• M3: 891,005 km (0.092 R)
• M4: 1,222,813 km (0.104 R)
• M5: 1,717,384 km (0.037 R)
• M6: 3,787,968 km (0.108 R)
• M7: 4,235,415 km (0.098 R)
• M8: 4,881,079 km (0.106 R)
• M9: 6,368,830 km (0.075 R)
• M10: 6,835,725 km (0.082 R)
• M11: 7,281,826 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556

Radius: 11.1

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.5 AU - 2.62 AU

Year: 2687 Days

Day: 5 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,618,346 km

• M1: 140,323 km (0.079 R)
• M2: 509,979 km (0.092 R)
• M3: 930,349 km (0.048 R)
• M4: 1,576,762 km (0.113 R)
• M5: 2,379,504 km (0.09 R)
• M6: 2,858,367 km (0.112 R)
• M7: 3,435,964 km (0.047 R)
• M8: 3,800,085 km (0.027 R)
• M9: 4,759,007 km (0.091 R)
• M10: 5,283,797 km (0.089 R)
• M11: 7,327,154 km (0.09 R)
• M12: 7,965,638 km (0.095 R)
• M13: 10,253,139 km (0.112 R)
• M14: 12,861,079 km (0.098 R)
• M15: 14,110,221 km (0.108 R)
• M16: 14,669,717 km (0.093 R)
• M17: 15,733,657 km (0.036 R)
• M18: 16,335,489 km (0.051 R)
• M19: 17,745,449 km (0.051 R)
• M20: 18,452,449 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 17,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit