🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.39 AU - 0.63 AU

Year: 131 Days

Day: 12.8 Hours

Environment

Temp: 256 °C

Axial Tilt: 26.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 33,726,014 km

• M1: 45,478 km (0.115 R)
• M2: 87,515 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.88 AU - 1.42 AU

Year: 444 Days

Day: 29.9 Hours

Environment

Temp: 33 °C

Axial Tilt: 148.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.16 AU - 1.66 AU

Year: 603 Days

Day: 41.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.51 AU - 1.61 AU

Year: 701 Days

Day: 42.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 73.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.71 AU - 1.77 AU

Year: 826 Days

Day: 23.1 Hours

Environment

Temp: -49 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.62 AU - 3.04 AU

Year: 1713 Days

Day: 35.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.2

Radius: 13.8

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.4 AU - 8.64 AU

Year: 7422 Days

Day: 5.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,726,014 km

• M1: 171,589 km (0.097 R)
• M2: 601,533 km (0.107 R)
• M3: 1,041,800 km (0.118 R)
• M4: 1,573,620 km (0.118 R)
• M5: 2,012,839 km (0.09 R)
• M6: 2,657,606 km (0.068 R)
• M7: 3,229,220 km (0.089 R)
• M8: 4,467,441 km (0.098 R)
• M9: 5,784,800 km (0.096 R)
• M10: 6,255,734 km (0.071 R)
• M11: 6,820,616 km (0.099 R)
• M12: 7,638,916 km (0.063 R)
• M13: 9,050,372 km (0.109 R)
• M14: 10,491,149 km (0.04 R)
• M15: 10,956,698 km (0.104 R)
• M16: 12,747,983 km (0.086 R)
• M17: 13,224,901 km (0.059 R)
• M18: 13,879,242 km (0.111 R)
• M19: 14,843,101 km (0.06 R)
• M20: 15,670,078 km (0.076 R)
• M21: 16,652,487 km (0.069 R)
• M22: 17,287,081 km (0.099 R)
• M23: 17,740,961 km (0.079 R)
• M24: 20,923,955 km (0.089 R)
• M25: 27,687,125 km (0.084 R)
• M26: 30,044,339 km (0.034 R)
• M27: 31,849,536 km (0.091 R)
• M28: 32,630,886 km (0.077 R)
• M29: 33,424,951 km (0.048 R)

Kuiper Belt

Range: 30.5 - 45.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 10,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit