🌌 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: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.39 AU - 0.63 AU

Year: 161 Days

Day: 44.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.5 AU - 0.54 AU

Year: 166 Days

Day: 27.4 Hours

Environment

Temp: 19 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,313,067 km

• M1: 122,221 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.56 AU - 0.7 AU

Year: 221 Days

Day: 16.9 Hours

Environment

Temp: -11 °C

Axial Tilt: 8.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 28,313,067 km

• M1: 22,888 km (0.092 R)
• M2: 40,391 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.88 AU - 0.98 AU

Year: 397 Days

Day: 14.7 Hours

Environment

Temp: -61 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,313,067 km

• M1: 40,990 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.19 AU - 1.89 AU

Year: 846 Days

Day: 18.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.8

Radius: 9.1

Gravity: 11.08 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.39 AU - 5.17 AU

Year: 3922 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 28,313,067 km

• M1: 113,246 km (0.107 R)
• M2: 512,822 km (0.114 R)
• M3: 1,173,296 km (0.113 R)
• M4: 1,837,959 km (0.049 R)
• M5: 2,157,949 km (0.081 R)
• M6: 2,700,092 km (0.068 R)
• M7: 3,003,776 km (0.091 R)
• M8: 3,533,502 km (0.069 R)
• M9: 3,831,949 km (0.118 R)
• M10: 4,383,218 km (0.069 R)
• M11: 5,065,533 km (0.052 R)
• M12: 5,904,778 km (0.058 R)
• M13: 8,556,699 km (0.076 R)
• M14: 9,377,094 km (0.063 R)
• M15: 10,206,165 km (0.102 R)
• M16: 14,335,964 km (0.115 R)
• M17: 14,933,907 km (0.043 R)
• M18: 15,322,861 km (0.055 R)
• M19: 16,295,846 km (0.092 R)
• M20: 18,049,881 km (0.108 R)
• M21: 18,491,494 km (0.117 R)
• M22: 20,602,469 km (0.098 R)
• M23: 21,015,359 km (0.118 R)
• M24: 21,504,245 km (0.103 R)
• M25: 22,722,869 km (0.105 R)
• M26: 23,016,231 km (0.089 R)
• M27: 23,911,275 km (0.03 R)
• M28: 26,331,020 km (0.066 R)
• M29: 26,981,023 km (0.049 R)
• M30: 27,892,224 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 16,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit