🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.4 AU - 0.66 AU

Year: 141 Days

Day: 44.9 Hours

Environment

Temp: 201 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.55 AU - 0.63 AU

Year: 166 Days

Day: 12.8 Hours

Environment

Temp: 169 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.95 AU - 1.31 AU

Year: 439 Days

Day: 25.3 Hours

Environment

Temp: 22 °C

Axial Tilt: 10.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 21,852,817 km

• M1: 33,809 km (0.064 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.56 AU - 1.62 AU

Year: 732 Days

Day: 32.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,852,817 km

• M1: 32,313 km (0.074 R)

Asteroid Belt

Center: 3.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.6

Radius: 12.5

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.74 AU - 6.14 AU

Year: 4010 Days

Day: 6 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,852,817 km

• M1: 155,432 km (0.099 R)
• M2: 573,109 km (0.096 R)
• M3: 993,330 km (0.09 R)
• M4: 1,492,688 km (0.09 R)
• M5: 1,966,165 km (0.07 R)
• M6: 2,999,886 km (0.077 R)
• M7: 3,804,872 km (0.065 R)
• M8: 4,301,836 km (0.072 R)
• M9: 4,818,697 km (0.1 R)
• M10: 6,769,304 km (0.085 R)
• M11: 7,221,388 km (0.089 R)
• M12: 10,255,233 km (0.085 R)
• M13: 10,691,461 km (0.06 R)
• M14: 13,574,660 km (0.119 R)
• M15: 14,541,960 km (0.103 R)
• M16: 15,867,547 km (0.072 R)
• M17: 16,614,040 km (0.095 R)
• M18: 17,106,068 km (0.101 R)
• M19: 17,947,855 km (0.092 R)
• M20: 19,112,923 km (0.117 R)
• M21: 21,144,612 km (0.117 R)
• M22: 21,593,555 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 18,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit