🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.9 AU - 1.28 AU

Year: 353 Days

Day: 17.7 Hours

Environment

Temp: 228 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.79 AU - 2.29 AU

Year: 903 Days

Day: 39.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.67 AU - 4.47 AU

Year: 2544 Days

Day: 22.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.76 AU - 7.22 AU

Year: 5122 Days

Day: 18 Hours

Environment

Temp: -113 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 101,422,479 km

• M1: 111,600 km (0.104 R)
• M2: 277,205 km (0.064 R)

Planet 5 - Terrestrial

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.96 AU - 8.22 AU

Year: 5849 Days

Day: 20.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 22.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.8

Radius: 6.4

Gravity: 14.77 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 19.45 AU - 25.27 AU

Year: 32756 Days

Day: 16.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 101,422,479 km

• M1: 79,736 km (0.105 R)
• M2: 890,407 km (0.101 R)
• M3: 1,218,624 km (0.075 R)
• M4: 1,445,863 km (0.064 R)
• M5: 3,277,390 km (0.116 R)
• M6: 3,623,111 km (0.119 R)
• M7: 5,296,662 km (0.065 R)
• M8: 5,773,281 km (0.069 R)
• M9: 8,137,077 km (0.119 R)
• M10: 8,949,992 km (0.099 R)
• M11: 15,860,815 km (0.097 R)
• M12: 18,261,113 km (0.064 R)
• M13: 19,852,834 km (0.061 R)
• M14: 23,767,960 km (0.093 R)
• M15: 25,783,791 km (0.109 R)
• M16: 32,085,901 km (0.073 R)
• M17: 33,227,033 km (0.111 R)
• M18: 39,503,711 km (0.044 R)
• M19: 47,435,989 km (0.097 R)
• M20: 48,915,811 km (0.073 R)
• M21: 53,937,363 km (0.101 R)
• M22: 75,445,946 km (0.048 R)
• M23: 79,251,716 km (0.054 R)
• M24: 89,741,219 km (0.091 R)
• M25: 95,462,740 km (0.069 R)

Kuiper Belt

Range: 35.4 - 64.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 17,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit